HDF5 file, superblock version 2
group /
	attribute Conventions = "CF-1.8, ACDD-1.3"
	attribute acknowledgement = "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment"
	attribute citation = "Colomb, A., Pichon, J., ACTRIS, EMEP, GAW-WDCRG, 2026, Nitrogen oxides at Puy de Dôme, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/MQS8-AJRG"
	attribute contributor_name = "Nicolas Pascal, Robert Wegener"
	attribute contributor_role = "data submitter, data submitter"
	attribute creator_email = ", "
	attribute creator_institution = ", "
	attribute creator_name = "Aurelie Colomb, Jean-Marc Pichon"
	attribute creator_type = "person"
	attribute date_created = "2026-08-10T10:32:29.962721Z"
	attribute date_metadata_modified = "2026-06-25T13:51:28Z"
	attribute doi = "https://doi.org/10.48597/MQS8-AJRG"
	attribute ebas_acknowledgement = "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment"
	attribute ebas_calibration_standard_id = "Manufacturer: Linde, Batch: 1234567"
	attribute ebas_citation = "Colomb, A., Pichon, J., ACTRIS, EMEP, GAW-WDCRG, 2026, Nitrogen oxides at Puy de Dôme, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/MQS8-AJRG"
	attribute ebas_contains_doi = "https://doi.org/10.48597/MQS8-AJRG"
	attribute ebas_data_definition = "EBAS_1.1"
	attribute ebas_data_level = "3a"
	attribute ebas_data_license = "https://creativecommons.org/licenses/by/4.0/"
	attribute ebas_detection_limit_expl = "given by instrument constructor"
	attribute ebas_export_filter = "exclude-900,exclude-invalid"
	attribute ebas_export_state = "2026-08-10T10:32:29.962721Z"
	attribute ebas_file_creation = "2026-08-10T10:41:08.446376Z"
	attribute ebas_file_name = "MQS8-AJRG.nc"
	attribute ebas_framework_acronym = "ACTRIS, EMEP, GAW-WDCRG"
	attribute ebas_framework_contact_email = "clm@nilu.no, kt@nilu.no, kt@nilu.no"
	attribute ebas_framework_contact_name = "Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth"
	attribute ebas_framework_description = "\"ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.\", The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme."
	attribute ebas_framework_name = "\"European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases\", European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases"
	attribute ebas_humidity_temperaure_control = "Temperature conditioning at 20 deg. C"
	attribute ebas_humidity_temperaure_control_description = "None"
	attribute ebas_inlet_description = "upstream from manifold, tube length=6.5m, flow rate=17l/min"
	attribute ebas_inlet_tube_material = "Teflon"
	attribute ebas_inlet_type = "Hat or hood"
	attribute ebas_instrument_manufacturer = "Teledyne"
	attribute ebas_instrument_model = "T200UP"
	attribute ebas_instrument_name = "PUY_chem_photo_Teledyne_T200UP-198"
	attribute ebas_instrument_serial_number = "T200UP-198"
	attribute ebas_instrument_type = "chemiluminescence_photolytic"
	attribute ebas_laboratory_code = "FR04L"
	attribute ebas_matrix = "air"
	attribute ebas_measurement_height = "12.0 m"
	attribute ebas_measurement_uncertainty_expl = "includes statistical uncertainty of individual sample and calibration uncertainty"
	attribute ebas_method_ref = "FR04L_Teledyne_T200UP_DE20L_NOx_corr_O3_H2O"
	attribute ebas_organization = "FR04L, CNRS-LaMP, , , Campus des Cézeaux, 24 avenue des Landais, 63177, Aubière, France"
	attribute ebas_orig_time_res = "5mn"
	attribute ebas_originator = "\"Colomb, Aurelie, , , , , , , , , \", \"Pichon, Jean-Marc, , , , , , , , , \""
	attribute ebas_ozone_correction = "Corrected for reaction with O3 in the inlet"
	attribute ebas_period_code = "13w"
	attribute ebas_platform_code = "FR0030S"
	attribute ebas_regime = "IMG"
	attribute ebas_represents_doi = "https://doi.org/10.48597/MQS8-AJRG"
	attribute ebas_resolution_code = "1h"
	attribute ebas_revision_date = "2026-06-25T13:51:28.046758Z"
	attribute ebas_sample_duration = "1h"
	attribute ebas_set_type_code = "TU"
	attribute ebas_standard_method = "None"
	attribute ebas_startdate = "2023-10-02T00:00:00.000000Z"
	attribute ebas_station_altitude = "1465.0 m"
	attribute ebas_station_code = "FR0030R"
	attribute ebas_station_gaw_id = "PUY"
	attribute ebas_station_gaw_name = "Puy de Dôme"
	attribute ebas_station_gaw_type = "G"
	attribute ebas_station_land_use = "Forest"
	attribute ebas_station_latitude = 45.772223
	attribute ebas_station_longitude = 2.964886
	attribute ebas_station_name = "Puy de Dôme"
	attribute ebas_station_other_ids = "FRPUY (SYLVA)"
	attribute ebas_station_setting = "Mountain"
	attribute ebas_station_wmo_region = 6
	attribute ebas_submitter = "\"Pascal, Nicolas, , , , , , , , , \", \"Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany\""
	attribute ebas_timezone = "UTC"
	attribute ebas_version = "1"
	attribute ebas_version_description = "initial revision, manually inspected"
	attribute ebas_water_vapor_correction = "Corrected for water vapor quenching in CLD"
	attribute ebas_zero_negative_values = "Zero values may appear if the concentration is under limit of detection"
	attribute ebas_zero_negative_values_code = "Zero possible"
	attribute featureType = "timeSeries"
	attribute geospatial_bounds = "POINT Z (2.964886 45.772223 1465)"
	attribute geospatial_bounds_crs = "EPSG:4979"
	attribute geospatial_lat_max = 45.772223
	attribute geospatial_lat_min = 45.772223
	attribute geospatial_lon_max = 2.964886
	attribute geospatial_lon_min = 2.964886
	attribute geospatial_vertical_max = 1465.0
	attribute geospatial_vertical_min = 1465.0
	attribute geospatial_vertical_positive = "up"
	attribute id = "MQS8-AJRG.nc"
	attribute institution = "FR04L CNRS-LaMP \"Campus des Cézeaux\" \"24 avenue des Landais\" 63177 Aubière France"
	attribute keywords = "\"Puy de Dôme\" FR0030R NOx nitrogen_dioxide nitrogen_monoxide air ACTRIS EMEP GAW-WDCRG mole_fraction_of_nox_in_air mass_concentration_of_nox_expressed_as_nitrogen_in_air mole_fraction_of_nitrogen_dioxide_in_air mass_concentration_of_nitrogen_dioxide_expressed_as_nitrogen_in_air mole_fraction_of_nitrogen_monoxide_in_air mass_concentration_of_nitrogen_monoxide_expressed_as_nitrogen_in_air"
	attribute license = "https://creativecommons.org/licenses/by/4.0/"
	attribute naming_authority = "no.nilu.ebas"
	attribute processing_level = "3a: derived (Data product generated from lower data levels of one or several instruments. Otherwise like level 2.)"
	attribute project = "ACTRIS, EMEP, GAW-WDCRG"
	attribute publisher_email = "ebas@nilu.no"
	attribute publisher_institution = "NILU - Norwegian Institute for Air Research, ATMOS, EBAS"
	attribute publisher_name = "NILU - Norwegian Institute for Air Research, ATMOS, EBAS"
	attribute publisher_type = "institution"
	attribute publisher_url = "http://ebas.nilu.no/"
	attribute source = "surface observation"
	attribute summary = "Nitrogen oxides at Puy de Dôme. These measurements are gathered as a part of the following projects ACTRIS, EMEP, GAW-WDCRG and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: ['NOx in air (mole_fraction_of_nox_in_air)', 'NOx in air (mass_concentration_of_nox_expressed_as_nitrogen_in_air)', 'nitrogen_dioxide in air (mole_fraction_of_nitrogen_dioxide_in_air)', 'nitrogen_dioxide in air (mass_concentration_of_nitrogen_dioxide_expressed_as_nitrogen_in_air)', 'nitrogen_monoxide in air (mole_fraction_of_nitrogen_monoxide_in_air)', 'nitrogen_monoxide in air (mass_concentration_of_nitrogen_monoxide_expressed_as_nitrogen_in_air)']"
	attribute time_coverage_duration = "P0000-02-30T00:00:00"
	attribute time_coverage_end = "2024-01-01T00:00:00Z"
	attribute time_coverage_resolution = "P0000-00-00T01:00:00"
	attribute time_coverage_start = "2023-10-02T00:00:00Z"
	attribute timezone = "UTC"
	attribute title = "Nitrogen oxides at Puy de Dôme"
dataset /meta_NOx_nmol_per_mol_amean: string, shape (1)
	attribute long_name = "ebas metadata for different time intervals; json encoded"
	text = (text block)
| {
|     "ebas_data_license": "https://creativecommons.org/licenses/by/4.0/",
|     "ebas_revision_date": "2026-06-25T13:51:28.046758Z",
|     "ebas_version": "1",
|     "ebas_version_description": "initial revision, manually inspected",
|     "ebas_statistics": "arithmetic mean",
|     "ebas_data_level": "3a",
|     "ebas_sample_duration": "1h",
|     "ebas_orig_time_res": "5mn",
|     "ebas_station_code": "FR0030R",
|     "ebas_platform_code": "FR0030S",
|     "ebas_station_name": "Puy de Dôme",
|     "ebas_station_gaw_id": "PUY",
|     "ebas_station_gaw_name": "Puy de Dôme",
|     "ebas_station_other_ids": "FRPUY (SYLVA)",
|     "ebas_station_land_use": "Forest",
|     "ebas_station_setting": "Mountain",
|     "ebas_station_gaw_type": "G",
|     "ebas_station_wmo_region": 6,
|     "ebas_station_latitude": 45.772223,
|     "ebas_station_longitude": 2.964886,
|     "ebas_station_altitude": "1465.0 m",
|     "ebas_measurement_height": "12.0 m",
|     "ebas_regime": "IMG",
|     "ebas_component": "NOx",
|     "ebas_unit": "nmol/mol",
|     "ebas_matrix": "air",
|     "ebas_laboratory_code": "FR04L",
|     "ebas_instrument_type": "chemiluminescence_photolytic",
|     "ebas_instrument_name": "PUY_chem_photo_Teledyne_T200UP-198",
|     "ebas_instrument_manufacturer": "Teledyne",
|     "ebas_instrument_model": "T200UP",
|     "ebas_instrument_serial_number": "T200UP-198",
|     "ebas_method_ref": "FR04L_Teledyne_T200UP_DE20L_NOx_corr_O3_H2O",
|     "ebas_standard_method": "None",
|     "ebas_calibration_standard_id": "Manufacturer: Linde, Batch: 1234567",
|     "ebas_inlet_type": "Hat or hood",
|     "ebas_inlet_description": "upstream from manifold, tube length=6.5m, flow rate=17l/min",
|     "ebas_inlet_tube_material": "Teflon",
|     "ebas_ozone_correction": "Corrected for reaction with O3 in the inlet",
|     "ebas_water_vapor_correction": "Corrected for water vapor quenching in CLD",
|     "ebas_humidity_temperaure_control": "Temperature conditioning at 20 deg. C",
|     "ebas_humidity_temperaure_control_description": "None",
|     "ebas_detection_limit_expl": "given by instrument constructor",
|     "ebas_measurement_uncertainty_expl": "includes statistical uncertainty of individual sample and calibration uncertainty",
|     "ebas_zero_negative_values_code": "Zero possible",
|     "ebas_zero_negative_values": "Zero values may appear if the concentration is under limit of detection",
|     "ebas_organization": "FR04L, CNRS-LaMP, , , Campus des Cézeaux, 24 avenue des Landais, 63177, Aubière, France",
|     "ebas_framework_acronym": "ACTRIS, EMEP, GAW-WDCRG",
|     "ebas_framework_name": "\"European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases\", European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases",
|     "ebas_framework_description": "\"ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.\", The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.",
|     "ebas_framework_contact_name": "Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth",
|     "ebas_framework_contact_email": "clm@nilu.no, kt@nilu.no, kt@nilu.no",
|     "ebas_originator": "\"Colomb, Aurelie, , , , , , , , , \", \"Pichon, Jean-Marc, , , , , , , , , \"",
|     "ebas_submitter": "\"Pascal, Nicolas, , , , , , , , , \", \"Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany\"",
|     "ebas_acknowledgement": "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment",
|     "ebas_comment": "SOP WP4_D4.2_M12.pdf ; detection limits NO=0.050 nmol/mol; NO2=0.050 nmol/mol ; converter efficiency=95% ; Blue Light Converter ; Not corrected from baseline converted by TC from FR0030R.20231002000000.20240318160016.chemiluminescence_photolytic.NOx.air.1y.5mn.FR04L_PUY_chem_photo_Teledyne_T200UP-198.FR04L_Teledyne_T200UP_PUY.lev0.nas + FR0030R.20230101000000.20240222091931.uv_abs.ozone.air.1y.5mn.FR04L_uv_abs_Thermo_49i.FR04L_Thermo_49i_PUY.lev1.nas + FR0030R.20230101000000.20240207082924.aws..met.1y.5mn.FR04L_PUY_AWS_Vaisala_NA.FR04L_Vaisala_custom_built_PUY.lev0.nas ,precision, uncertainty, dectection limit not reported, NO offset correction -- Data converted on import into EBAS from 'nmol/mol' to 'ug N/m3' at 273.15 K, 1013.25 hPa, conversion factor 0.62492281. -- Data converted on export from EBAS from 'ug N/m3' at 273.15 K, 1013.25 hPa to 'nmol/mol', conversion factor 1.6001976.",
|     "actris_variable_uri": "https://vocabulary.actris.nilu.no/actris_vocab/nitrogenoxidesamountfraction",
|     "actris_variable_preferred_term": "nitrogen oxides amount fraction",
|     "actris_matrix_uri": "https://vocabulary.actris.nilu.no/actris_vocab/gasphase",
|     "actris_matrix_preferred_term": "gas phase",
|     "actris_timeliness_uri": "https://vocabulary.actris.nilu.no/actris_vocab/scheduled",
|     "actris_timeliness_preferred_term": "scheduled",
|     "actris_instrument_type_uri": "https://vocabulary.actris.nilu.no/actris_vocab/chemiluminescencedetector-photolyticalconverter",
|     "actris_instrument_type_preferred_term": "chemiluminescence detector, photolytical converter",
|     "actris_framework_uri": "https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG",
|     "actris_framework_preferred_term": "ACTRIS, EMEP, GAW-WDCRG",
|     "actris_temporal_resolution": "PT1H",
|     "actris_access_restriction": false
| }
dataset /meta_NOx_nmol_per_mol_perc8413: string, shape (1)
	attribute long_name = "ebas metadata for different time intervals; json encoded"
	text = (text block)
| {
|     "ebas_data_license": "https://creativecommons.org/licenses/by/4.0/",
|     "ebas_revision_date": "2026-06-25T13:51:28.046758Z",
|     "ebas_version": "1",
|     "ebas_version_description": "initial revision, manually inspected",
|     "ebas_statistics": "percentile:84.13",
|     "ebas_data_level": "3a",
|     "ebas_sample_duration": "1h",
|     "ebas_orig_time_res": "5mn",
|     "ebas_station_code": "FR0030R",
|     "ebas_platform_code": "FR0030S",
|     "ebas_station_name": "Puy de Dôme",
|     "ebas_station_gaw_id": "PUY",
|     "ebas_station_gaw_name": "Puy de Dôme",
|     "ebas_station_other_ids": "FRPUY (SYLVA)",
|     "ebas_station_land_use": "Forest",
|     "ebas_station_setting": "Mountain",
|     "ebas_station_gaw_type": "G",
|     "ebas_station_wmo_region": 6,
|     "ebas_station_latitude": 45.772223,
|     "ebas_station_longitude": 2.964886,
|     "ebas_station_altitude": "1465.0 m",
|     "ebas_measurement_height": "12.0 m",
|     "ebas_regime": "IMG",
|     "ebas_component": "NOx",
|     "ebas_unit": "nmol/mol",
|     "ebas_matrix": "air",
|     "ebas_laboratory_code": "FR04L",
|     "ebas_instrument_type": "chemiluminescence_photolytic",
|     "ebas_instrument_name": "PUY_chem_photo_Teledyne_T200UP-198",
|     "ebas_instrument_manufacturer": "Teledyne",
|     "ebas_instrument_model": "T200UP",
|     "ebas_instrument_serial_number": "T200UP-198",
|     "ebas_method_ref": "FR04L_Teledyne_T200UP_DE20L_NOx_corr_O3_H2O",
|     "ebas_standard_method": "None",
|     "ebas_calibration_standard_id": "Manufacturer: Linde, Batch: 1234567",
|     "ebas_inlet_type": "Hat or hood",
|     "ebas_inlet_description": "upstream from manifold, tube length=6.5m, flow rate=17l/min",
|     "ebas_inlet_tube_material": "Teflon",
|     "ebas_ozone_correction": "Corrected for reaction with O3 in the inlet",
|     "ebas_water_vapor_correction": "Corrected for water vapor quenching in CLD",
|     "ebas_humidity_temperaure_control": "Temperature conditioning at 20 deg. C",
|     "ebas_humidity_temperaure_control_description": "None",
|     "ebas_detection_limit_expl": "given by instrument constructor",
|     "ebas_measurement_uncertainty_expl": "includes statistical uncertainty of individual sample and calibration uncertainty",
|     "ebas_zero_negative_values_code": "Zero possible",
|     "ebas_zero_negative_values": "Zero values may appear if the concentration is under limit of detection",
|     "ebas_organization": "FR04L, CNRS-LaMP, , , Campus des Cézeaux, 24 avenue des Landais, 63177, Aubière, France",
|     "ebas_framework_acronym": "ACTRIS, EMEP, GAW-WDCRG",
|     "ebas_framework_name": "\"European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases\", European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases",
|     "ebas_framework_description": "\"ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.\", The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.",
|     "ebas_framework_contact_name": "Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth",
|     "ebas_framework_contact_email": "clm@nilu.no, kt@nilu.no, kt@nilu.no",
|     "ebas_originator": "\"Colomb, Aurelie, , , , , , , , , \", \"Pichon, Jean-Marc, , , , , , , , , \"",
|     "ebas_submitter": "\"Pascal, Nicolas, , , , , , , , , \", \"Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany\"",
|     "ebas_acknowledgement": "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment",
|     "ebas_comment": "SOP WP4_D4.2_M12.pdf ; detection limits NO=0.050 nmol/mol; NO2=0.050 nmol/mol ; converter efficiency=95% ; Blue Light Converter ; Not corrected from baseline converted by TC from FR0030R.20231002000000.20240318160016.chemiluminescence_photolytic.NOx.air.1y.5mn.FR04L_PUY_chem_photo_Teledyne_T200UP-198.FR04L_Teledyne_T200UP_PUY.lev0.nas + FR0030R.20230101000000.20240222091931.uv_abs.ozone.air.1y.5mn.FR04L_uv_abs_Thermo_49i.FR04L_Thermo_49i_PUY.lev1.nas + FR0030R.20230101000000.20240207082924.aws..met.1y.5mn.FR04L_PUY_AWS_Vaisala_NA.FR04L_Vaisala_custom_built_PUY.lev0.nas ,precision, uncertainty, dectection limit not reported, NO offset correction -- Data converted on import into EBAS from 'nmol/mol' to 'ug N/m3' at 273.15 K, 1013.25 hPa, conversion factor 0.62492281. -- Data converted on export from EBAS from 'ug N/m3' at 273.15 K, 1013.25 hPa to 'nmol/mol', conversion factor 1.6001976.",
|     "actris_variable_uri": "https://vocabulary.actris.nilu.no/actris_vocab/nitrogenoxidesamountfraction",
|     "actris_variable_preferred_term": "nitrogen oxides amount fraction",
|     "actris_matrix_uri": "https://vocabulary.actris.nilu.no/actris_vocab/gasphase",
|     "actris_matrix_preferred_term": "gas phase",
|     "actris_timeliness_uri": "https://vocabulary.actris.nilu.no/actris_vocab/scheduled",
|     "actris_timeliness_preferred_term": "scheduled",
|     "actris_instrument_type_uri": "https://vocabulary.actris.nilu.no/actris_vocab/chemiluminescencedetector-photolyticalconverter",
|     "actris_instrument_type_preferred_term": "chemiluminescence detector, photolytical converter",
|     "actris_framework_uri": "https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG",
|     "actris_framework_preferred_term": "ACTRIS, EMEP, GAW-WDCRG",
|     "actris_temporal_resolution": "PT1H",
|     "actris_access_restriction": false
| }
dataset /meta_NOx_nmol_per_mol_prec1587: string, shape (1)
	attribute long_name = "ebas metadata for different time intervals; json encoded"
	text = (text block)
| {
|     "ebas_data_license": "https://creativecommons.org/licenses/by/4.0/",
|     "ebas_revision_date": "2026-06-25T13:51:28.046758Z",
|     "ebas_version": "1",
|     "ebas_version_description": "initial revision, manually inspected",
|     "ebas_statistics": "percentile:15.87",
|     "ebas_data_level": "3a",
|     "ebas_sample_duration": "1h",
|     "ebas_orig_time_res": "5mn",
|     "ebas_station_code": "FR0030R",
|     "ebas_platform_code": "FR0030S",
|     "ebas_station_name": "Puy de Dôme",
|     "ebas_station_gaw_id": "PUY",
|     "ebas_station_gaw_name": "Puy de Dôme",
|     "ebas_station_other_ids": "FRPUY (SYLVA)",
|     "ebas_station_land_use": "Forest",
|     "ebas_station_setting": "Mountain",
|     "ebas_station_gaw_type": "G",
|     "ebas_station_wmo_region": 6,
|     "ebas_station_latitude": 45.772223,
|     "ebas_station_longitude": 2.964886,
|     "ebas_station_altitude": "1465.0 m",
|     "ebas_measurement_height": "12.0 m",
|     "ebas_regime": "IMG",
|     "ebas_component": "NOx",
|     "ebas_unit": "nmol/mol",
|     "ebas_matrix": "air",
|     "ebas_laboratory_code": "FR04L",
|     "ebas_instrument_type": "chemiluminescence_photolytic",
|     "ebas_instrument_name": "PUY_chem_photo_Teledyne_T200UP-198",
|     "ebas_instrument_manufacturer": "Teledyne",
|     "ebas_instrument_model": "T200UP",
|     "ebas_instrument_serial_number": "T200UP-198",
|     "ebas_method_ref": "FR04L_Teledyne_T200UP_DE20L_NOx_corr_O3_H2O",
|     "ebas_standard_method": "None",
|     "ebas_calibration_standard_id": "Manufacturer: Linde, Batch: 1234567",
|     "ebas_inlet_type": "Hat or hood",
|     "ebas_inlet_description": "upstream from manifold, tube length=6.5m, flow rate=17l/min",
|     "ebas_inlet_tube_material": "Teflon",
|     "ebas_ozone_correction": "Corrected for reaction with O3 in the inlet",
|     "ebas_water_vapor_correction": "Corrected for water vapor quenching in CLD",
|     "ebas_humidity_temperaure_control": "Temperature conditioning at 20 deg. C",
|     "ebas_humidity_temperaure_control_description": "None",
|     "ebas_detection_limit_expl": "given by instrument constructor",
|     "ebas_measurement_uncertainty_expl": "includes statistical uncertainty of individual sample and calibration uncertainty",
|     "ebas_zero_negative_values_code": "Zero possible",
|     "ebas_zero_negative_values": "Zero values may appear if the concentration is under limit of detection",
|     "ebas_organization": "FR04L, CNRS-LaMP, , , Campus des Cézeaux, 24 avenue des Landais, 63177, Aubière, France",
|     "ebas_framework_acronym": "ACTRIS, EMEP, GAW-WDCRG",
|     "ebas_framework_name": "\"European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases\", European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases",
|     "ebas_framework_description": "\"ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.\", The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.",
|     "ebas_framework_contact_name": "Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth",
|     "ebas_framework_contact_email": "clm@nilu.no, kt@nilu.no, kt@nilu.no",
|     "ebas_originator": "\"Colomb, Aurelie, , , , , , , , , \", \"Pichon, Jean-Marc, , , , , , , , , \"",
|     "ebas_submitter": "\"Pascal, Nicolas, , , , , , , , , \", \"Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany\"",
|     "ebas_acknowledgement": "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment",
|     "ebas_comment": "SOP WP4_D4.2_M12.pdf ; detection limits NO=0.050 nmol/mol; NO2=0.050 nmol/mol ; converter efficiency=95% ; Blue Light Converter ; Not corrected from baseline converted by TC from FR0030R.20231002000000.20240318160016.chemiluminescence_photolytic.NOx.air.1y.5mn.FR04L_PUY_chem_photo_Teledyne_T200UP-198.FR04L_Teledyne_T200UP_PUY.lev0.nas + FR0030R.20230101000000.20240222091931.uv_abs.ozone.air.1y.5mn.FR04L_uv_abs_Thermo_49i.FR04L_Thermo_49i_PUY.lev1.nas + FR0030R.20230101000000.20240207082924.aws..met.1y.5mn.FR04L_PUY_AWS_Vaisala_NA.FR04L_Vaisala_custom_built_PUY.lev0.nas ,precision, uncertainty, dectection limit not reported, NO offset correction -- Data converted on import into EBAS from 'nmol/mol' to 'ug N/m3' at 273.15 K, 1013.25 hPa, conversion factor 0.62492281. -- Data converted on export from EBAS from 'ug N/m3' at 273.15 K, 1013.25 hPa to 'nmol/mol', conversion factor 1.6001976.",
|     "actris_variable_uri": "https://vocabulary.actris.nilu.no/actris_vocab/nitrogenoxidesamountfraction",
|     "actris_variable_preferred_term": "nitrogen oxides amount fraction",
|     "actris_matrix_uri": "https://vocabulary.actris.nilu.no/actris_vocab/gasphase",
|     "actris_matrix_preferred_term": "gas phase",
|     "actris_timeliness_uri": "https://vocabulary.actris.nilu.no/actris_vocab/scheduled",
|     "actris_timeliness_preferred_term": "scheduled",
|     "actris_instrument_type_uri": "https://vocabulary.actris.nilu.no/actris_vocab/chemiluminescencedetector-photolyticalconverter",
|     "actris_instrument_type_preferred_term": "chemiluminescence detector, photolytical converter",
|     "actris_framework_uri": "https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG",
|     "actris_framework_preferred_term": "ACTRIS, EMEP, GAW-WDCRG",
|     "actris_temporal_resolution": "PT1H",
|     "actris_access_restriction": false
| }
dataset /meta_NOx_nmol_per_mol_stddev: string, shape (1)
	attribute long_name = "ebas metadata for different time intervals; json encoded"
	text = (text block)
| {
|     "ebas_data_license": "https://creativecommons.org/licenses/by/4.0/",
|     "ebas_revision_date": "2026-06-25T13:51:28.046758Z",
|     "ebas_version": "1",
|     "ebas_version_description": "initial revision, manually inspected",
|     "ebas_statistics": "stddev",
|     "ebas_data_level": "3a",
|     "ebas_sample_duration": "1h",
|     "ebas_orig_time_res": "5mn",
|     "ebas_station_code": "FR0030R",
|     "ebas_platform_code": "FR0030S",
|     "ebas_station_name": "Puy de Dôme",
|     "ebas_station_gaw_id": "PUY",
|     "ebas_station_gaw_name": "Puy de Dôme",
|     "ebas_station_other_ids": "FRPUY (SYLVA)",
|     "ebas_station_land_use": "Forest",
|     "ebas_station_setting": "Mountain",
|     "ebas_station_gaw_type": "G",
|     "ebas_station_wmo_region": 6,
|     "ebas_station_latitude": 45.772223,
|     "ebas_station_longitude": 2.964886,
|     "ebas_station_altitude": "1465.0 m",
|     "ebas_measurement_height": "12.0 m",
|     "ebas_regime": "IMG",
|     "ebas_component": "NOx",
|     "ebas_unit": "nmol/mol",
|     "ebas_matrix": "air",
|     "ebas_laboratory_code": "FR04L",
|     "ebas_instrument_type": "chemiluminescence_photolytic",
|     "ebas_instrument_name": "PUY_chem_photo_Teledyne_T200UP-198",
|     "ebas_instrument_manufacturer": "Teledyne",
|     "ebas_instrument_model": "T200UP",
|     "ebas_instrument_serial_number": "T200UP-198",
|     "ebas_method_ref": "FR04L_Teledyne_T200UP_DE20L_NOx_corr_O3_H2O",
|     "ebas_standard_method": "None",
|     "ebas_calibration_standard_id": "Manufacturer: Linde, Batch: 1234567",
|     "ebas_inlet_type": "Hat or hood",
|     "ebas_inlet_description": "upstream from manifold, tube length=6.5m, flow rate=17l/min",
|     "ebas_inlet_tube_material": "Teflon",
|     "ebas_ozone_correction": "Corrected for reaction with O3 in the inlet",
|     "ebas_water_vapor_correction": "Corrected for water vapor quenching in CLD",
|     "ebas_humidity_temperaure_control": "Temperature conditioning at 20 deg. C",
|     "ebas_humidity_temperaure_control_description": "None",
|     "ebas_detection_limit_expl": "given by instrument constructor",
|     "ebas_measurement_uncertainty_expl": "includes statistical uncertainty of individual sample and calibration uncertainty",
|     "ebas_zero_negative_values_code": "Zero possible",
|     "ebas_zero_negative_values": "Zero values may appear if the concentration is under limit of detection",
|     "ebas_organization": "FR04L, CNRS-LaMP, , , Campus des Cézeaux, 24 avenue des Landais, 63177, Aubière, France",
|     "ebas_framework_acronym": "ACTRIS, EMEP, GAW-WDCRG",
|     "ebas_framework_name": "\"European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases\", European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases",
|     "ebas_framework_description": "\"ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.\", The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.",
|     "ebas_framework_contact_name": "Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth",
|     "ebas_framework_contact_email": "clm@nilu.no, kt@nilu.no, kt@nilu.no",
|     "ebas_originator": "\"Colomb, Aurelie, , , , , , , , , \", \"Pichon, Jean-Marc, , , , , , , , , \"",
|     "ebas_submitter": "\"Pascal, Nicolas, , , , , , , , , \", \"Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany\"",
|     "ebas_acknowledgement": "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment",
|     "ebas_comment": "SOP WP4_D4.2_M12.pdf ; detection limits NO=0.050 nmol/mol; NO2=0.050 nmol/mol ; converter efficiency=95% ; Blue Light Converter ; Not corrected from baseline converted by TC from FR0030R.20231002000000.20240318160016.chemiluminescence_photolytic.NOx.air.1y.5mn.FR04L_PUY_chem_photo_Teledyne_T200UP-198.FR04L_Teledyne_T200UP_PUY.lev0.nas + FR0030R.20230101000000.20240222091931.uv_abs.ozone.air.1y.5mn.FR04L_uv_abs_Thermo_49i.FR04L_Thermo_49i_PUY.lev1.nas + FR0030R.20230101000000.20240207082924.aws..met.1y.5mn.FR04L_PUY_AWS_Vaisala_NA.FR04L_Vaisala_custom_built_PUY.lev0.nas ,precision, uncertainty, dectection limit not reported, NO offset correction -- Data converted on import into EBAS from 'nmol/mol' to 'ug N/m3' at 273.15 K, 1013.25 hPa, conversion factor 0.62492281. -- Data converted on export from EBAS from 'ug N/m3' at 273.15 K, 1013.25 hPa to 'nmol/mol', conversion factor 1.6001976.",
|     "actris_variable_uri": "https://vocabulary.actris.nilu.no/actris_vocab/nitrogenoxidesamountfraction",
|     "actris_variable_preferred_term": "nitrogen oxides amount fraction",
|     "actris_matrix_uri": "https://vocabulary.actris.nilu.no/actris_vocab/gasphase",
|     "actris_matrix_preferred_term": "gas phase",
|     "actris_timeliness_uri": "https://vocabulary.actris.nilu.no/actris_vocab/scheduled",
|     "actris_timeliness_preferred_term": "scheduled",
|     "actris_instrument_type_uri": "https://vocabulary.actris.nilu.no/actris_vocab/chemiluminescencedetector-photolyticalconverter",
|     "actris_instrument_type_preferred_term": "chemiluminescence detector, photolytical converter",
|     "actris_framework_uri": "https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG",
|     "actris_framework_preferred_term": "ACTRIS, EMEP, GAW-WDCRG",
|     "actris_temporal_resolution": "PT1H",
|     "actris_access_restriction": false
| }
dataset /meta_NOx_ug_N_per_m3_amean: string, shape (1)
	attribute long_name = "ebas metadata for different time intervals; json encoded"
	text = (text block)
| {
|     "ebas_data_license": "https://creativecommons.org/licenses/by/4.0/",
|     "ebas_revision_date": "2026-06-25T13:51:28.046758Z",
|     "ebas_version": "1",
|     "ebas_version_description": "initial revision, manually inspected",
|     "ebas_statistics": "arithmetic mean",
|     "ebas_data_level": "3a",
|     "ebas_sample_duration": "1h",
|     "ebas_orig_time_res": "5mn",
|     "ebas_station_code": "FR0030R",
|     "ebas_platform_code": "FR0030S",
|     "ebas_station_name": "Puy de Dôme",
|     "ebas_station_gaw_id": "PUY",
|     "ebas_station_gaw_name": "Puy de Dôme",
|     "ebas_station_other_ids": "FRPUY (SYLVA)",
|     "ebas_station_land_use": "Forest",
|     "ebas_station_setting": "Mountain",
|     "ebas_station_gaw_type": "G",
|     "ebas_station_wmo_region": 6,
|     "ebas_station_latitude": 45.772223,
|     "ebas_station_longitude": 2.964886,
|     "ebas_station_altitude": "1465.0 m",
|     "ebas_measurement_height": "12.0 m",
|     "ebas_regime": "IMG",
|     "ebas_component": "NOx",
|     "ebas_unit": "ug N/m3",
|     "ebas_matrix": "air",
|     "ebas_laboratory_code": "FR04L",
|     "ebas_instrument_type": "chemiluminescence_photolytic",
|     "ebas_instrument_name": "PUY_chem_photo_Teledyne_T200UP-198",
|     "ebas_instrument_manufacturer": "Teledyne",
|     "ebas_instrument_model": "T200UP",
|     "ebas_instrument_serial_number": "T200UP-198",
|     "ebas_method_ref": "FR04L_Teledyne_T200UP_DE20L_NOx_corr_O3_H2O",
|     "ebas_standard_method": "None",
|     "ebas_calibration_standard_id": "Manufacturer: Linde, Batch: 1234567",
|     "ebas_inlet_type": "Hat or hood",
|     "ebas_inlet_description": "upstream from manifold, tube length=6.5m, flow rate=17l/min",
|     "ebas_inlet_tube_material": "Teflon",
|     "ebas_ozone_correction": "Corrected for reaction with O3 in the inlet",
|     "ebas_water_vapor_correction": "Corrected for water vapor quenching in CLD",
|     "ebas_humidity_temperaure_control": "Temperature conditioning at 20 deg. C",
|     "ebas_humidity_temperaure_control_description": "None",
|     "ebas_volume_std_temperature": "273.15 K",
|     "ebas_volume_std_pressure": "1013.25 hPa",
|     "ebas_detection_limit_expl": "given by instrument constructor",
|     "ebas_measurement_uncertainty_expl": "includes statistical uncertainty of individual sample and calibration uncertainty",
|     "ebas_zero_negative_values_code": "Zero possible",
|     "ebas_zero_negative_values": "Zero values may appear if the concentration is under limit of detection",
|     "ebas_organization": "FR04L, CNRS-LaMP, , , Campus des Cézeaux, 24 avenue des Landais, 63177, Aubière, France",
|     "ebas_framework_acronym": "ACTRIS, EMEP, GAW-WDCRG",
|     "ebas_framework_name": "\"European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases\", European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases",
|     "ebas_framework_description": "\"ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.\", The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.",
|     "ebas_framework_contact_name": "Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth",
|     "ebas_framework_contact_email": "clm@nilu.no, kt@nilu.no, kt@nilu.no",
|     "ebas_originator": "\"Colomb, Aurelie, , , , , , , , , \", \"Pichon, Jean-Marc, , , , , , , , , \"",
|     "ebas_submitter": "\"Pascal, Nicolas, , , , , , , , , \", \"Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany\"",
|     "ebas_acknowledgement": "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment",
|     "ebas_comment": "SOP WP4_D4.2_M12.pdf ; detection limits NO=0.050 nmol/mol; NO2=0.050 nmol/mol ; converter efficiency=95% ; Blue Light Converter ; Not corrected from baseline converted by TC from FR0030R.20231002000000.20240318160016.chemiluminescence_photolytic.NOx.air.1y.5mn.FR04L_PUY_chem_photo_Teledyne_T200UP-198.FR04L_Teledyne_T200UP_PUY.lev0.nas + FR0030R.20230101000000.20240222091931.uv_abs.ozone.air.1y.5mn.FR04L_uv_abs_Thermo_49i.FR04L_Thermo_49i_PUY.lev1.nas + FR0030R.20230101000000.20240207082924.aws..met.1y.5mn.FR04L_PUY_AWS_Vaisala_NA.FR04L_Vaisala_custom_built_PUY.lev0.nas ,precision, uncertainty, dectection limit not reported, NO offset correction -- Data converted on import into EBAS from 'nmol/mol' to 'ug N/m3' at 273.15 K, 1013.25 hPa, conversion factor 0.62492281.",
|     "actris_variable_uri": "https://vocabulary.actris.nilu.no/actris_vocab/nitrogenoxidesmassconcentration",
|     "actris_variable_preferred_term": "nitrogen oxides mass concentration",
|     "actris_matrix_uri": "https://vocabulary.actris.nilu.no/actris_vocab/gasphase",
|     "actris_matrix_preferred_term": "gas phase",
|     "actris_constraints_uri": "https://vocabulary.actris.nilu.no/actris_vocab/expressedasnitrogen",
|     "actris_constraints_preferred_term": "expressed as nitrogen",
|     "actris_timeliness_uri": "https://vocabulary.actris.nilu.no/actris_vocab/scheduled",
|     "actris_timeliness_preferred_term": "scheduled",
|     "actris_instrument_type_uri": "https://vocabulary.actris.nilu.no/actris_vocab/chemiluminescencedetector-photolyticalconverter",
|     "actris_instrument_type_preferred_term": "chemiluminescence detector, photolytical converter",
|     "actris_framework_uri": "https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG",
|     "actris_framework_preferred_term": "ACTRIS, EMEP, GAW-WDCRG",
|     "actris_temporal_resolution": "PT1H",
|     "actris_access_restriction": false
| }
dataset /meta_NOx_ug_N_per_m3_perc8413: string, shape (1)
	attribute long_name = "ebas metadata for different time intervals; json encoded"
	text = (text block)
| {
|     "ebas_data_license": "https://creativecommons.org/licenses/by/4.0/",
|     "ebas_revision_date": "2026-06-25T13:51:28.046758Z",
|     "ebas_version": "1",
|     "ebas_version_description": "initial revision, manually inspected",
|     "ebas_statistics": "percentile:84.13",
|     "ebas_data_level": "3a",
|     "ebas_sample_duration": "1h",
|     "ebas_orig_time_res": "5mn",
|     "ebas_station_code": "FR0030R",
|     "ebas_platform_code": "FR0030S",
|     "ebas_station_name": "Puy de Dôme",
|     "ebas_station_gaw_id": "PUY",
|     "ebas_station_gaw_name": "Puy de Dôme",
|     "ebas_station_other_ids": "FRPUY (SYLVA)",
|     "ebas_station_land_use": "Forest",
|     "ebas_station_setting": "Mountain",
|     "ebas_station_gaw_type": "G",
|     "ebas_station_wmo_region": 6,
|     "ebas_station_latitude": 45.772223,
|     "ebas_station_longitude": 2.964886,
|     "ebas_station_altitude": "1465.0 m",
|     "ebas_measurement_height": "12.0 m",
|     "ebas_regime": "IMG",
|     "ebas_component": "NOx",
|     "ebas_unit": "ug N/m3",
|     "ebas_matrix": "air",
|     "ebas_laboratory_code": "FR04L",
|     "ebas_instrument_type": "chemiluminescence_photolytic",
|     "ebas_instrument_name": "PUY_chem_photo_Teledyne_T200UP-198",
|     "ebas_instrument_manufacturer": "Teledyne",
|     "ebas_instrument_model": "T200UP",
|     "ebas_instrument_serial_number": "T200UP-198",
|     "ebas_method_ref": "FR04L_Teledyne_T200UP_DE20L_NOx_corr_O3_H2O",
|     "ebas_standard_method": "None",
|     "ebas_calibration_standard_id": "Manufacturer: Linde, Batch: 1234567",
|     "ebas_inlet_type": "Hat or hood",
|     "ebas_inlet_description": "upstream from manifold, tube length=6.5m, flow rate=17l/min",
|     "ebas_inlet_tube_material": "Teflon",
|     "ebas_ozone_correction": "Corrected for reaction with O3 in the inlet",
|     "ebas_water_vapor_correction": "Corrected for water vapor quenching in CLD",
|     "ebas_humidity_temperaure_control": "Temperature conditioning at 20 deg. C",
|     "ebas_humidity_temperaure_control_description": "None",
|     "ebas_volume_std_temperature": "273.15 K",
|     "ebas_volume_std_pressure": "1013.25 hPa",
|     "ebas_detection_limit_expl": "given by instrument constructor",
|     "ebas_measurement_uncertainty_expl": "includes statistical uncertainty of individual sample and calibration uncertainty",
|     "ebas_zero_negative_values_code": "Zero possible",
|     "ebas_zero_negative_values": "Zero values may appear if the concentration is under limit of detection",
|     "ebas_organization": "FR04L, CNRS-LaMP, , , Campus des Cézeaux, 24 avenue des Landais, 63177, Aubière, France",
|     "ebas_framework_acronym": "ACTRIS, EMEP, GAW-WDCRG",
|     "ebas_framework_name": "\"European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases\", European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases",
|     "ebas_framework_description": "\"ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.\", The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.",
|     "ebas_framework_contact_name": "Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth",
|     "ebas_framework_contact_email": "clm@nilu.no, kt@nilu.no, kt@nilu.no",
|     "ebas_originator": "\"Colomb, Aurelie, , , , , , , , , \", \"Pichon, Jean-Marc, , , , , , , , , \"",
|     "ebas_submitter": "\"Pascal, Nicolas, , , , , , , , , \", \"Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany\"",
|     "ebas_acknowledgement": "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment",
|     "ebas_comment": "SOP WP4_D4.2_M12.pdf ; detection limits NO=0.050 nmol/mol; NO2=0.050 nmol/mol ; converter efficiency=95% ; Blue Light Converter ; Not corrected from baseline converted by TC from FR0030R.20231002000000.20240318160016.chemiluminescence_photolytic.NOx.air.1y.5mn.FR04L_PUY_chem_photo_Teledyne_T200UP-198.FR04L_Teledyne_T200UP_PUY.lev0.nas + FR0030R.20230101000000.20240222091931.uv_abs.ozone.air.1y.5mn.FR04L_uv_abs_Thermo_49i.FR04L_Thermo_49i_PUY.lev1.nas + FR0030R.20230101000000.20240207082924.aws..met.1y.5mn.FR04L_PUY_AWS_Vaisala_NA.FR04L_Vaisala_custom_built_PUY.lev0.nas ,precision, uncertainty, dectection limit not reported, NO offset correction -- Data converted on import into EBAS from 'nmol/mol' to 'ug N/m3' at 273.15 K, 1013.25 hPa, conversion factor 0.62492281.",
|     "actris_variable_uri": "https://vocabulary.actris.nilu.no/actris_vocab/nitrogenoxidesmassconcentration",
|     "actris_variable_preferred_term": "nitrogen oxides mass concentration",
|     "actris_matrix_uri": "https://vocabulary.actris.nilu.no/actris_vocab/gasphase",
|     "actris_matrix_preferred_term": "gas phase",
|     "actris_constraints_uri": "https://vocabulary.actris.nilu.no/actris_vocab/expressedasnitrogen",
|     "actris_constraints_preferred_term": "expressed as nitrogen",
|     "actris_timeliness_uri": "https://vocabulary.actris.nilu.no/actris_vocab/scheduled",
|     "actris_timeliness_preferred_term": "scheduled",
|     "actris_instrument_type_uri": "https://vocabulary.actris.nilu.no/actris_vocab/chemiluminescencedetector-photolyticalconverter",
|     "actris_instrument_type_preferred_term": "chemiluminescence detector, photolytical converter",
|     "actris_framework_uri": "https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG",
|     "actris_framework_preferred_term": "ACTRIS, EMEP, GAW-WDCRG",
|     "actris_temporal_resolution": "PT1H",
|     "actris_access_restriction": false
| }
dataset /meta_NOx_ug_N_per_m3_prec1587: string, shape (1)
	attribute long_name = "ebas metadata for different time intervals; json encoded"
	text = (text block)
| {
|     "ebas_data_license": "https://creativecommons.org/licenses/by/4.0/",
|     "ebas_revision_date": "2026-06-25T13:51:28.046758Z",
|     "ebas_version": "1",
|     "ebas_version_description": "initial revision, manually inspected",
|     "ebas_statistics": "percentile:15.87",
|     "ebas_data_level": "3a",
|     "ebas_sample_duration": "1h",
|     "ebas_orig_time_res": "5mn",
|     "ebas_station_code": "FR0030R",
|     "ebas_platform_code": "FR0030S",
|     "ebas_station_name": "Puy de Dôme",
|     "ebas_station_gaw_id": "PUY",
|     "ebas_station_gaw_name": "Puy de Dôme",
|     "ebas_station_other_ids": "FRPUY (SYLVA)",
|     "ebas_station_land_use": "Forest",
|     "ebas_station_setting": "Mountain",
|     "ebas_station_gaw_type": "G",
|     "ebas_station_wmo_region": 6,
|     "ebas_station_latitude": 45.772223,
|     "ebas_station_longitude": 2.964886,
|     "ebas_station_altitude": "1465.0 m",
|     "ebas_measurement_height": "12.0 m",
|     "ebas_regime": "IMG",
|     "ebas_component": "NOx",
|     "ebas_unit": "ug N/m3",
|     "ebas_matrix": "air",
|     "ebas_laboratory_code": "FR04L",
|     "ebas_instrument_type": "chemiluminescence_photolytic",
|     "ebas_instrument_name": "PUY_chem_photo_Teledyne_T200UP-198",
|     "ebas_instrument_manufacturer": "Teledyne",
|     "ebas_instrument_model": "T200UP",
|     "ebas_instrument_serial_number": "T200UP-198",
|     "ebas_method_ref": "FR04L_Teledyne_T200UP_DE20L_NOx_corr_O3_H2O",
|     "ebas_standard_method": "None",
|     "ebas_calibration_standard_id": "Manufacturer: Linde, Batch: 1234567",
|     "ebas_inlet_type": "Hat or hood",
|     "ebas_inlet_description": "upstream from manifold, tube length=6.5m, flow rate=17l/min",
|     "ebas_inlet_tube_material": "Teflon",
|     "ebas_ozone_correction": "Corrected for reaction with O3 in the inlet",
|     "ebas_water_vapor_correction": "Corrected for water vapor quenching in CLD",
|     "ebas_humidity_temperaure_control": "Temperature conditioning at 20 deg. C",
|     "ebas_humidity_temperaure_control_description": "None",
|     "ebas_volume_std_temperature": "273.15 K",
|     "ebas_volume_std_pressure": "1013.25 hPa",
|     "ebas_detection_limit_expl": "given by instrument constructor",
|     "ebas_measurement_uncertainty_expl": "includes statistical uncertainty of individual sample and calibration uncertainty",
|     "ebas_zero_negative_values_code": "Zero possible",
|     "ebas_zero_negative_values": "Zero values may appear if the concentration is under limit of detection",
|     "ebas_organization": "FR04L, CNRS-LaMP, , , Campus des Cézeaux, 24 avenue des Landais, 63177, Aubière, France",
|     "ebas_framework_acronym": "ACTRIS, EMEP, GAW-WDCRG",
|     "ebas_framework_name": "\"European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases\", European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases",
|     "ebas_framework_description": "\"ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.\", The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.",
|     "ebas_framework_contact_name": "Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth",
|     "ebas_framework_contact_email": "clm@nilu.no, kt@nilu.no, kt@nilu.no",
|     "ebas_originator": "\"Colomb, Aurelie, , , , , , , , , \", \"Pichon, Jean-Marc, , , , , , , , , \"",
|     "ebas_submitter": "\"Pascal, Nicolas, , , , , , , , , \", \"Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany\"",
|     "ebas_acknowledgement": "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment",
|     "ebas_comment": "SOP WP4_D4.2_M12.pdf ; detection limits NO=0.050 nmol/mol; NO2=0.050 nmol/mol ; converter efficiency=95% ; Blue Light Converter ; Not corrected from baseline converted by TC from FR0030R.20231002000000.20240318160016.chemiluminescence_photolytic.NOx.air.1y.5mn.FR04L_PUY_chem_photo_Teledyne_T200UP-198.FR04L_Teledyne_T200UP_PUY.lev0.nas + FR0030R.20230101000000.20240222091931.uv_abs.ozone.air.1y.5mn.FR04L_uv_abs_Thermo_49i.FR04L_Thermo_49i_PUY.lev1.nas + FR0030R.20230101000000.20240207082924.aws..met.1y.5mn.FR04L_PUY_AWS_Vaisala_NA.FR04L_Vaisala_custom_built_PUY.lev0.nas ,precision, uncertainty, dectection limit not reported, NO offset correction -- Data converted on import into EBAS from 'nmol/mol' to 'ug N/m3' at 273.15 K, 1013.25 hPa, conversion factor 0.62492281.",
|     "actris_variable_uri": "https://vocabulary.actris.nilu.no/actris_vocab/nitrogenoxidesmassconcentration",
|     "actris_variable_preferred_term": "nitrogen oxides mass concentration",
|     "actris_matrix_uri": "https://vocabulary.actris.nilu.no/actris_vocab/gasphase",
|     "actris_matrix_preferred_term": "gas phase",
|     "actris_constraints_uri": "https://vocabulary.actris.nilu.no/actris_vocab/expressedasnitrogen",
|     "actris_constraints_preferred_term": "expressed as nitrogen",
|     "actris_timeliness_uri": "https://vocabulary.actris.nilu.no/actris_vocab/scheduled",
|     "actris_timeliness_preferred_term": "scheduled",
|     "actris_instrument_type_uri": "https://vocabulary.actris.nilu.no/actris_vocab/chemiluminescencedetector-photolyticalconverter",
|     "actris_instrument_type_preferred_term": "chemiluminescence detector, photolytical converter",
|     "actris_framework_uri": "https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG",
|     "actris_framework_preferred_term": "ACTRIS, EMEP, GAW-WDCRG",
|     "actris_temporal_resolution": "PT1H",
|     "actris_access_restriction": false
| }
dataset /meta_NOx_ug_N_per_m3_stddev: string, shape (1)
	attribute long_name = "ebas metadata for different time intervals; json encoded"
	text = (text block)
| {
|     "ebas_data_license": "https://creativecommons.org/licenses/by/4.0/",
|     "ebas_revision_date": "2026-06-25T13:51:28.046758Z",
|     "ebas_version": "1",
|     "ebas_version_description": "initial revision, manually inspected",
|     "ebas_statistics": "stddev",
|     "ebas_data_level": "3a",
|     "ebas_sample_duration": "1h",
|     "ebas_orig_time_res": "5mn",
|     "ebas_station_code": "FR0030R",
|     "ebas_platform_code": "FR0030S",
|     "ebas_station_name": "Puy de Dôme",
|     "ebas_station_gaw_id": "PUY",
|     "ebas_station_gaw_name": "Puy de Dôme",
|     "ebas_station_other_ids": "FRPUY (SYLVA)",
|     "ebas_station_land_use": "Forest",
|     "ebas_station_setting": "Mountain",
|     "ebas_station_gaw_type": "G",
|     "ebas_station_wmo_region": 6,
|     "ebas_station_latitude": 45.772223,
|     "ebas_station_longitude": 2.964886,
|     "ebas_station_altitude": "1465.0 m",
|     "ebas_measurement_height": "12.0 m",
|     "ebas_regime": "IMG",
|     "ebas_component": "NOx",
|     "ebas_unit": "ug N/m3",
|     "ebas_matrix": "air",
|     "ebas_laboratory_code": "FR04L",
|     "ebas_instrument_type": "chemiluminescence_photolytic",
|     "ebas_instrument_name": "PUY_chem_photo_Teledyne_T200UP-198",
|     "ebas_instrument_manufacturer": "Teledyne",
|     "ebas_instrument_model": "T200UP",
|     "ebas_instrument_serial_number": "T200UP-198",
|     "ebas_method_ref": "FR04L_Teledyne_T200UP_DE20L_NOx_corr_O3_H2O",
|     "ebas_standard_method": "None",
|     "ebas_calibration_standard_id": "Manufacturer: Linde, Batch: 1234567",
|     "ebas_inlet_type": "Hat or hood",
|     "ebas_inlet_description": "upstream from manifold, tube length=6.5m, flow rate=17l/min",
|     "ebas_inlet_tube_material": "Teflon",
|     "ebas_ozone_correction": "Corrected for reaction with O3 in the inlet",
|     "ebas_water_vapor_correction": "Corrected for water vapor quenching in CLD",
|     "ebas_humidity_temperaure_control": "Temperature conditioning at 20 deg. C",
|     "ebas_humidity_temperaure_control_description": "None",
|     "ebas_volume_std_temperature": "273.15 K",
|     "ebas_volume_std_pressure": "1013.25 hPa",
|     "ebas_detection_limit_expl": "given by instrument constructor",
|     "ebas_measurement_uncertainty_expl": "includes statistical uncertainty of individual sample and calibration uncertainty",
|     "ebas_zero_negative_values_code": "Zero possible",
|     "ebas_zero_negative_values": "Zero values may appear if the concentration is under limit of detection",
|     "ebas_organization": "FR04L, CNRS-LaMP, , , Campus des Cézeaux, 24 avenue des Landais, 63177, Aubière, France",
|     "ebas_framework_acronym": "ACTRIS, EMEP, GAW-WDCRG",
|     "ebas_framework_name": "\"European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases\", European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases",
|     "ebas_framework_description": "\"ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.\", The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.",
|     "ebas_framework_contact_name": "Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth",
|     "ebas_framework_contact_email": "clm@nilu.no, kt@nilu.no, kt@nilu.no",
|     "ebas_originator": "\"Colomb, Aurelie, , , , , , , , , \", \"Pichon, Jean-Marc, , , , , , , , , \"",
|     "ebas_submitter": "\"Pascal, Nicolas, , , , , , , , , \", \"Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany\"",
|     "ebas_acknowledgement": "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment",
|     "ebas_comment": "SOP WP4_D4.2_M12.pdf ; detection limits NO=0.050 nmol/mol; NO2=0.050 nmol/mol ; converter efficiency=95% ; Blue Light Converter ; Not corrected from baseline converted by TC from FR0030R.20231002000000.20240318160016.chemiluminescence_photolytic.NOx.air.1y.5mn.FR04L_PUY_chem_photo_Teledyne_T200UP-198.FR04L_Teledyne_T200UP_PUY.lev0.nas + FR0030R.20230101000000.20240222091931.uv_abs.ozone.air.1y.5mn.FR04L_uv_abs_Thermo_49i.FR04L_Thermo_49i_PUY.lev1.nas + FR0030R.20230101000000.20240207082924.aws..met.1y.5mn.FR04L_PUY_AWS_Vaisala_NA.FR04L_Vaisala_custom_built_PUY.lev0.nas ,precision, uncertainty, dectection limit not reported, NO offset correction -- Data converted on import into EBAS from 'nmol/mol' to 'ug N/m3' at 273.15 K, 1013.25 hPa, conversion factor 0.62492281.",
|     "actris_variable_uri": "https://vocabulary.actris.nilu.no/actris_vocab/nitrogenoxidesmassconcentration",
|     "actris_variable_preferred_term": "nitrogen oxides mass concentration",
|     "actris_matrix_uri": "https://vocabulary.actris.nilu.no/actris_vocab/gasphase",
|     "actris_matrix_preferred_term": "gas phase",
|     "actris_constraints_uri": "https://vocabulary.actris.nilu.no/actris_vocab/expressedasnitrogen",
|     "actris_constraints_preferred_term": "expressed as nitrogen",
|     "actris_timeliness_uri": "https://vocabulary.actris.nilu.no/actris_vocab/scheduled",
|     "actris_timeliness_preferred_term": "scheduled",
|     "actris_instrument_type_uri": "https://vocabulary.actris.nilu.no/actris_vocab/chemiluminescencedetector-photolyticalconverter",
|     "actris_instrument_type_preferred_term": "chemiluminescence detector, photolytical converter",
|     "actris_framework_uri": "https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG",
|     "actris_framework_preferred_term": "ACTRIS, EMEP, GAW-WDCRG",
|     "actris_temporal_resolution": "PT1H",
|     "actris_access_restriction": false
| }
dataset /meta_nitrogen_dioxide_nmol_per_mol_amean: string, shape (1)
	attribute long_name = "ebas metadata for different time intervals; json encoded"
	text = (text block)
| {
|     "ebas_data_license": "https://creativecommons.org/licenses/by/4.0/",
|     "ebas_revision_date": "2026-06-25T13:51:28.046758Z",
|     "ebas_version": "1",
|     "ebas_version_description": "initial revision, manually inspected",
|     "ebas_statistics": "arithmetic mean",
|     "ebas_data_level": "3a",
|     "ebas_sample_duration": "1h",
|     "ebas_orig_time_res": "5mn",
|     "ebas_station_code": "FR0030R",
|     "ebas_platform_code": "FR0030S",
|     "ebas_station_name": "Puy de Dôme",
|     "ebas_station_gaw_id": "PUY",
|     "ebas_station_gaw_name": "Puy de Dôme",
|     "ebas_station_other_ids": "FRPUY (SYLVA)",
|     "ebas_station_land_use": "Forest",
|     "ebas_station_setting": "Mountain",
|     "ebas_station_gaw_type": "G",
|     "ebas_station_wmo_region": 6,
|     "ebas_station_latitude": 45.772223,
|     "ebas_station_longitude": 2.964886,
|     "ebas_station_altitude": "1465.0 m",
|     "ebas_measurement_height": "12.0 m",
|     "ebas_regime": "IMG",
|     "ebas_component": "nitrogen_dioxide",
|     "ebas_unit": "nmol/mol",
|     "ebas_matrix": "air",
|     "ebas_laboratory_code": "FR04L",
|     "ebas_instrument_type": "chemiluminescence_photolytic",
|     "ebas_instrument_name": "PUY_chem_photo_Teledyne_T200UP-198",
|     "ebas_instrument_manufacturer": "Teledyne",
|     "ebas_instrument_model": "T200UP",
|     "ebas_instrument_serial_number": "T200UP-198",
|     "ebas_method_ref": "FR04L_Teledyne_T200UP_DE20L_NOx_corr_O3_H2O",
|     "ebas_standard_method": "None",
|     "ebas_calibration_standard_id": "Manufacturer: Linde, Batch: 1234567",
|     "ebas_inlet_type": "Hat or hood",
|     "ebas_inlet_description": "upstream from manifold, tube length=6.5m, flow rate=17l/min",
|     "ebas_inlet_tube_material": "Teflon",
|     "ebas_ozone_correction": "Corrected for reaction with O3 in the inlet",
|     "ebas_water_vapor_correction": "Corrected for water vapor quenching in CLD",
|     "ebas_humidity_temperaure_control": "Temperature conditioning at 20 deg. C",
|     "ebas_humidity_temperaure_control_description": "None",
|     "ebas_detection_limit_expl": "given by instrument constructor",
|     "ebas_measurement_uncertainty_expl": "includes statistical uncertainty of individual sample and calibration uncertainty",
|     "ebas_zero_negative_values_code": "Zero possible",
|     "ebas_zero_negative_values": "Zero values may appear if the concentration is under limit of detection",
|     "ebas_organization": "FR04L, CNRS-LaMP, , , Campus des Cézeaux, 24 avenue des Landais, 63177, Aubière, France",
|     "ebas_framework_acronym": "ACTRIS, EMEP, GAW-WDCRG",
|     "ebas_framework_name": "\"European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases\", European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases",
|     "ebas_framework_description": "\"ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.\", The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.",
|     "ebas_framework_contact_name": "Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth",
|     "ebas_framework_contact_email": "clm@nilu.no, kt@nilu.no, kt@nilu.no",
|     "ebas_originator": "\"Colomb, Aurelie, , , , , , , , , \", \"Pichon, Jean-Marc, , , , , , , , , \"",
|     "ebas_submitter": "\"Pascal, Nicolas, , , , , , , , , \", \"Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany\"",
|     "ebas_acknowledgement": "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment",
|     "ebas_comment": "SOP WP4_D4.2_M12.pdf ; detection limits NO=0.050 nmol/mol; NO2=0.050 nmol/mol ; converter efficiency=95% ; Blue Light Converter ; Not corrected from baseline converted by TC from FR0030R.20231002000000.20240318160016.chemiluminescence_photolytic.NOx.air.1y.5mn.FR04L_PUY_chem_photo_Teledyne_T200UP-198.FR04L_Teledyne_T200UP_PUY.lev0.nas + FR0030R.20230101000000.20240222091931.uv_abs.ozone.air.1y.5mn.FR04L_uv_abs_Thermo_49i.FR04L_Thermo_49i_PUY.lev1.nas + FR0030R.20230101000000.20240207082924.aws..met.1y.5mn.FR04L_PUY_AWS_Vaisala_NA.FR04L_Vaisala_custom_built_PUY.lev0.nas ,precision, uncertainty, dectection limit not reported, NO offset correction -- Data converted on import into EBAS from 'nmol/mol' to 'ug N/m3' at 273.15 K, 1013.25 hPa, conversion factor 0.62492281. -- Data converted on export from EBAS from 'ug N/m3' at 273.15 K, 1013.25 hPa to 'nmol/mol', conversion factor 1.6001976.",
|     "actris_variable_uri": "https://vocabulary.actris.nilu.no/actris_vocab/nitrogendioxideamountfraction",
|     "actris_variable_preferred_term": "nitrogen dioxide amount fraction",
|     "actris_matrix_uri": "https://vocabulary.actris.nilu.no/actris_vocab/gasphase",
|     "actris_matrix_preferred_term": "gas phase",
|     "actris_timeliness_uri": "https://vocabulary.actris.nilu.no/actris_vocab/scheduled",
|     "actris_timeliness_preferred_term": "scheduled",
|     "actris_instrument_type_uri": "https://vocabulary.actris.nilu.no/actris_vocab/chemiluminescencedetector-photolyticalconverter",
|     "actris_instrument_type_preferred_term": "chemiluminescence detector, photolytical converter",
|     "actris_framework_uri": "https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG",
|     "actris_framework_preferred_term": "ACTRIS, EMEP, GAW-WDCRG",
|     "actris_temporal_resolution": "PT1H",
|     "actris_access_restriction": false
| }
dataset /meta_nitrogen_dioxide_nmol_per_mol_perc8413: string, shape (1)
	attribute long_name = "ebas metadata for different time intervals; json encoded"
	text = (text block)
| {
|     "ebas_data_license": "https://creativecommons.org/licenses/by/4.0/",
|     "ebas_revision_date": "2026-06-25T13:51:28.046758Z",
|     "ebas_version": "1",
|     "ebas_version_description": "initial revision, manually inspected",
|     "ebas_statistics": "percentile:84.13",
|     "ebas_data_level": "3a",
|     "ebas_sample_duration": "1h",
|     "ebas_orig_time_res": "5mn",
|     "ebas_station_code": "FR0030R",
|     "ebas_platform_code": "FR0030S",
|     "ebas_station_name": "Puy de Dôme",
|     "ebas_station_gaw_id": "PUY",
|     "ebas_station_gaw_name": "Puy de Dôme",
|     "ebas_station_other_ids": "FRPUY (SYLVA)",
|     "ebas_station_land_use": "Forest",
|     "ebas_station_setting": "Mountain",
|     "ebas_station_gaw_type": "G",
|     "ebas_station_wmo_region": 6,
|     "ebas_station_latitude": 45.772223,
|     "ebas_station_longitude": 2.964886,
|     "ebas_station_altitude": "1465.0 m",
|     "ebas_measurement_height": "12.0 m",
|     "ebas_regime": "IMG",
|     "ebas_component": "nitrogen_dioxide",
|     "ebas_unit": "nmol/mol",
|     "ebas_matrix": "air",
|     "ebas_laboratory_code": "FR04L",
|     "ebas_instrument_type": "chemiluminescence_photolytic",
|     "ebas_instrument_name": "PUY_chem_photo_Teledyne_T200UP-198",
|     "ebas_instrument_manufacturer": "Teledyne",
|     "ebas_instrument_model": "T200UP",
|     "ebas_instrument_serial_number": "T200UP-198",
|     "ebas_method_ref": "FR04L_Teledyne_T200UP_DE20L_NOx_corr_O3_H2O",
|     "ebas_standard_method": "None",
|     "ebas_calibration_standard_id": "Manufacturer: Linde, Batch: 1234567",
|     "ebas_inlet_type": "Hat or hood",
|     "ebas_inlet_description": "upstream from manifold, tube length=6.5m, flow rate=17l/min",
|     "ebas_inlet_tube_material": "Teflon",
|     "ebas_ozone_correction": "Corrected for reaction with O3 in the inlet",
|     "ebas_water_vapor_correction": "Corrected for water vapor quenching in CLD",
|     "ebas_humidity_temperaure_control": "Temperature conditioning at 20 deg. C",
|     "ebas_humidity_temperaure_control_description": "None",
|     "ebas_detection_limit_expl": "given by instrument constructor",
|     "ebas_measurement_uncertainty_expl": "includes statistical uncertainty of individual sample and calibration uncertainty",
|     "ebas_zero_negative_values_code": "Zero possible",
|     "ebas_zero_negative_values": "Zero values may appear if the concentration is under limit of detection",
|     "ebas_organization": "FR04L, CNRS-LaMP, , , Campus des Cézeaux, 24 avenue des Landais, 63177, Aubière, France",
|     "ebas_framework_acronym": "ACTRIS, EMEP, GAW-WDCRG",
|     "ebas_framework_name": "\"European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases\", European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases",
|     "ebas_framework_description": "\"ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.\", The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.",
|     "ebas_framework_contact_name": "Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth",
|     "ebas_framework_contact_email": "clm@nilu.no, kt@nilu.no, kt@nilu.no",
|     "ebas_originator": "\"Colomb, Aurelie, , , , , , , , , \", \"Pichon, Jean-Marc, , , , , , , , , \"",
|     "ebas_submitter": "\"Pascal, Nicolas, , , , , , , , , \", \"Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany\"",
|     "ebas_acknowledgement": "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment",
|     "ebas_comment": "SOP WP4_D4.2_M12.pdf ; detection limits NO=0.050 nmol/mol; NO2=0.050 nmol/mol ; converter efficiency=95% ; Blue Light Converter ; Not corrected from baseline converted by TC from FR0030R.20231002000000.20240318160016.chemiluminescence_photolytic.NOx.air.1y.5mn.FR04L_PUY_chem_photo_Teledyne_T200UP-198.FR04L_Teledyne_T200UP_PUY.lev0.nas + FR0030R.20230101000000.20240222091931.uv_abs.ozone.air.1y.5mn.FR04L_uv_abs_Thermo_49i.FR04L_Thermo_49i_PUY.lev1.nas + FR0030R.20230101000000.20240207082924.aws..met.1y.5mn.FR04L_PUY_AWS_Vaisala_NA.FR04L_Vaisala_custom_built_PUY.lev0.nas ,precision, uncertainty, dectection limit not reported, NO offset correction -- Data converted on import into EBAS from 'nmol/mol' to 'ug N/m3' at 273.15 K, 1013.25 hPa, conversion factor 0.62492281. -- Data converted on export from EBAS from 'ug N/m3' at 273.15 K, 1013.25 hPa to 'nmol/mol', conversion factor 1.6001976.",
|     "actris_variable_uri": "https://vocabulary.actris.nilu.no/actris_vocab/nitrogendioxideamountfraction",
|     "actris_variable_preferred_term": "nitrogen dioxide amount fraction",
|     "actris_matrix_uri": "https://vocabulary.actris.nilu.no/actris_vocab/gasphase",
|     "actris_matrix_preferred_term": "gas phase",
|     "actris_timeliness_uri": "https://vocabulary.actris.nilu.no/actris_vocab/scheduled",
|     "actris_timeliness_preferred_term": "scheduled",
|     "actris_instrument_type_uri": "https://vocabulary.actris.nilu.no/actris_vocab/chemiluminescencedetector-photolyticalconverter",
|     "actris_instrument_type_preferred_term": "chemiluminescence detector, photolytical converter",
|     "actris_framework_uri": "https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG",
|     "actris_framework_preferred_term": "ACTRIS, EMEP, GAW-WDCRG",
|     "actris_temporal_resolution": "PT1H",
|     "actris_access_restriction": false
| }
dataset /meta_nitrogen_dioxide_nmol_per_mol_prec1587: string, shape (1)
	attribute long_name = "ebas metadata for different time intervals; json encoded"
	text = (text block)
| {
|     "ebas_data_license": "https://creativecommons.org/licenses/by/4.0/",
|     "ebas_revision_date": "2026-06-25T13:51:28.046758Z",
|     "ebas_version": "1",
|     "ebas_version_description": "initial revision, manually inspected",
|     "ebas_statistics": "percentile:15.87",
|     "ebas_data_level": "3a",
|     "ebas_sample_duration": "1h",
|     "ebas_orig_time_res": "5mn",
|     "ebas_station_code": "FR0030R",
|     "ebas_platform_code": "FR0030S",
|     "ebas_station_name": "Puy de Dôme",
|     "ebas_station_gaw_id": "PUY",
|     "ebas_station_gaw_name": "Puy de Dôme",
|     "ebas_station_other_ids": "FRPUY (SYLVA)",
|     "ebas_station_land_use": "Forest",
|     "ebas_station_setting": "Mountain",
|     "ebas_station_gaw_type": "G",
|     "ebas_station_wmo_region": 6,
|     "ebas_station_latitude": 45.772223,
|     "ebas_station_longitude": 2.964886,
|     "ebas_station_altitude": "1465.0 m",
|     "ebas_measurement_height": "12.0 m",
|     "ebas_regime": "IMG",
|     "ebas_component": "nitrogen_dioxide",
|     "ebas_unit": "nmol/mol",
|     "ebas_matrix": "air",
|     "ebas_laboratory_code": "FR04L",
|     "ebas_instrument_type": "chemiluminescence_photolytic",
|     "ebas_instrument_name": "PUY_chem_photo_Teledyne_T200UP-198",
|     "ebas_instrument_manufacturer": "Teledyne",
|     "ebas_instrument_model": "T200UP",
|     "ebas_instrument_serial_number": "T200UP-198",
|     "ebas_method_ref": "FR04L_Teledyne_T200UP_DE20L_NOx_corr_O3_H2O",
|     "ebas_standard_method": "None",
|     "ebas_calibration_standard_id": "Manufacturer: Linde, Batch: 1234567",
|     "ebas_inlet_type": "Hat or hood",
|     "ebas_inlet_description": "upstream from manifold, tube length=6.5m, flow rate=17l/min",
|     "ebas_inlet_tube_material": "Teflon",
|     "ebas_ozone_correction": "Corrected for reaction with O3 in the inlet",
|     "ebas_water_vapor_correction": "Corrected for water vapor quenching in CLD",
|     "ebas_humidity_temperaure_control": "Temperature conditioning at 20 deg. C",
|     "ebas_humidity_temperaure_control_description": "None",
|     "ebas_detection_limit_expl": "given by instrument constructor",
|     "ebas_measurement_uncertainty_expl": "includes statistical uncertainty of individual sample and calibration uncertainty",
|     "ebas_zero_negative_values_code": "Zero possible",
|     "ebas_zero_negative_values": "Zero values may appear if the concentration is under limit of detection",
|     "ebas_organization": "FR04L, CNRS-LaMP, , , Campus des Cézeaux, 24 avenue des Landais, 63177, Aubière, France",
|     "ebas_framework_acronym": "ACTRIS, EMEP, GAW-WDCRG",
|     "ebas_framework_name": "\"European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases\", European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases",
|     "ebas_framework_description": "\"ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.\", The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.",
|     "ebas_framework_contact_name": "Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth",
|     "ebas_framework_contact_email": "clm@nilu.no, kt@nilu.no, kt@nilu.no",
|     "ebas_originator": "\"Colomb, Aurelie, , , , , , , , , \", \"Pichon, Jean-Marc, , , , , , , , , \"",
|     "ebas_submitter": "\"Pascal, Nicolas, , , , , , , , , \", \"Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany\"",
|     "ebas_acknowledgement": "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment",
|     "ebas_comment": "SOP WP4_D4.2_M12.pdf ; detection limits NO=0.050 nmol/mol; NO2=0.050 nmol/mol ; converter efficiency=95% ; Blue Light Converter ; Not corrected from baseline converted by TC from FR0030R.20231002000000.20240318160016.chemiluminescence_photolytic.NOx.air.1y.5mn.FR04L_PUY_chem_photo_Teledyne_T200UP-198.FR04L_Teledyne_T200UP_PUY.lev0.nas + FR0030R.20230101000000.20240222091931.uv_abs.ozone.air.1y.5mn.FR04L_uv_abs_Thermo_49i.FR04L_Thermo_49i_PUY.lev1.nas + FR0030R.20230101000000.20240207082924.aws..met.1y.5mn.FR04L_PUY_AWS_Vaisala_NA.FR04L_Vaisala_custom_built_PUY.lev0.nas ,precision, uncertainty, dectection limit not reported, NO offset correction -- Data converted on import into EBAS from 'nmol/mol' to 'ug N/m3' at 273.15 K, 1013.25 hPa, conversion factor 0.62492281. -- Data converted on export from EBAS from 'ug N/m3' at 273.15 K, 1013.25 hPa to 'nmol/mol', conversion factor 1.6001976.",
|     "actris_variable_uri": "https://vocabulary.actris.nilu.no/actris_vocab/nitrogendioxideamountfraction",
|     "actris_variable_preferred_term": "nitrogen dioxide amount fraction",
|     "actris_matrix_uri": "https://vocabulary.actris.nilu.no/actris_vocab/gasphase",
|     "actris_matrix_preferred_term": "gas phase",
|     "actris_timeliness_uri": "https://vocabulary.actris.nilu.no/actris_vocab/scheduled",
|     "actris_timeliness_preferred_term": "scheduled",
|     "actris_instrument_type_uri": "https://vocabulary.actris.nilu.no/actris_vocab/chemiluminescencedetector-photolyticalconverter",
|     "actris_instrument_type_preferred_term": "chemiluminescence detector, photolytical converter",
|     "actris_framework_uri": "https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG",
|     "actris_framework_preferred_term": "ACTRIS, EMEP, GAW-WDCRG",
|     "actris_temporal_resolution": "PT1H",
|     "actris_access_restriction": false
| }
dataset /meta_nitrogen_dioxide_nmol_per_mol_stddev: string, shape (1)
	attribute long_name = "ebas metadata for different time intervals; json encoded"
	text = (text block)
| {
|     "ebas_data_license": "https://creativecommons.org/licenses/by/4.0/",
|     "ebas_revision_date": "2026-06-25T13:51:28.046758Z",
|     "ebas_version": "1",
|     "ebas_version_description": "initial revision, manually inspected",
|     "ebas_statistics": "stddev",
|     "ebas_data_level": "3a",
|     "ebas_sample_duration": "1h",
|     "ebas_orig_time_res": "5mn",
|     "ebas_station_code": "FR0030R",
|     "ebas_platform_code": "FR0030S",
|     "ebas_station_name": "Puy de Dôme",
|     "ebas_station_gaw_id": "PUY",
|     "ebas_station_gaw_name": "Puy de Dôme",
|     "ebas_station_other_ids": "FRPUY (SYLVA)",
|     "ebas_station_land_use": "Forest",
|     "ebas_station_setting": "Mountain",
|     "ebas_station_gaw_type": "G",
|     "ebas_station_wmo_region": 6,
|     "ebas_station_latitude": 45.772223,
|     "ebas_station_longitude": 2.964886,
|     "ebas_station_altitude": "1465.0 m",
|     "ebas_measurement_height": "12.0 m",
|     "ebas_regime": "IMG",
|     "ebas_component": "nitrogen_dioxide",
|     "ebas_unit": "nmol/mol",
|     "ebas_matrix": "air",
|     "ebas_laboratory_code": "FR04L",
|     "ebas_instrument_type": "chemiluminescence_photolytic",
|     "ebas_instrument_name": "PUY_chem_photo_Teledyne_T200UP-198",
|     "ebas_instrument_manufacturer": "Teledyne",
|     "ebas_instrument_model": "T200UP",
|     "ebas_instrument_serial_number": "T200UP-198",
|     "ebas_method_ref": "FR04L_Teledyne_T200UP_DE20L_NOx_corr_O3_H2O",
|     "ebas_standard_method": "None",
|     "ebas_calibration_standard_id": "Manufacturer: Linde, Batch: 1234567",
|     "ebas_inlet_type": "Hat or hood",
|     "ebas_inlet_description": "upstream from manifold, tube length=6.5m, flow rate=17l/min",
|     "ebas_inlet_tube_material": "Teflon",
|     "ebas_ozone_correction": "Corrected for reaction with O3 in the inlet",
|     "ebas_water_vapor_correction": "Corrected for water vapor quenching in CLD",
|     "ebas_humidity_temperaure_control": "Temperature conditioning at 20 deg. C",
|     "ebas_humidity_temperaure_control_description": "None",
|     "ebas_detection_limit_expl": "given by instrument constructor",
|     "ebas_measurement_uncertainty_expl": "includes statistical uncertainty of individual sample and calibration uncertainty",
|     "ebas_zero_negative_values_code": "Zero possible",
|     "ebas_zero_negative_values": "Zero values may appear if the concentration is under limit of detection",
|     "ebas_organization": "FR04L, CNRS-LaMP, , , Campus des Cézeaux, 24 avenue des Landais, 63177, Aubière, France",
|     "ebas_framework_acronym": "ACTRIS, EMEP, GAW-WDCRG",
|     "ebas_framework_name": "\"European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases\", European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases",
|     "ebas_framework_description": "\"ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.\", The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.",
|     "ebas_framework_contact_name": "Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth",
|     "ebas_framework_contact_email": "clm@nilu.no, kt@nilu.no, kt@nilu.no",
|     "ebas_originator": "\"Colomb, Aurelie, , , , , , , , , \", \"Pichon, Jean-Marc, , , , , , , , , \"",
|     "ebas_submitter": "\"Pascal, Nicolas, , , , , , , , , \", \"Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany\"",
|     "ebas_acknowledgement": "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment",
|     "ebas_comment": "SOP WP4_D4.2_M12.pdf ; detection limits NO=0.050 nmol/mol; NO2=0.050 nmol/mol ; converter efficiency=95% ; Blue Light Converter ; Not corrected from baseline converted by TC from FR0030R.20231002000000.20240318160016.chemiluminescence_photolytic.NOx.air.1y.5mn.FR04L_PUY_chem_photo_Teledyne_T200UP-198.FR04L_Teledyne_T200UP_PUY.lev0.nas + FR0030R.20230101000000.20240222091931.uv_abs.ozone.air.1y.5mn.FR04L_uv_abs_Thermo_49i.FR04L_Thermo_49i_PUY.lev1.nas + FR0030R.20230101000000.20240207082924.aws..met.1y.5mn.FR04L_PUY_AWS_Vaisala_NA.FR04L_Vaisala_custom_built_PUY.lev0.nas ,precision, uncertainty, dectection limit not reported, NO offset correction -- Data converted on import into EBAS from 'nmol/mol' to 'ug N/m3' at 273.15 K, 1013.25 hPa, conversion factor 0.62492281. -- Data converted on export from EBAS from 'ug N/m3' at 273.15 K, 1013.25 hPa to 'nmol/mol', conversion factor 1.6001976.",
|     "actris_variable_uri": "https://vocabulary.actris.nilu.no/actris_vocab/nitrogendioxideamountfraction",
|     "actris_variable_preferred_term": "nitrogen dioxide amount fraction",
|     "actris_matrix_uri": "https://vocabulary.actris.nilu.no/actris_vocab/gasphase",
|     "actris_matrix_preferred_term": "gas phase",
|     "actris_timeliness_uri": "https://vocabulary.actris.nilu.no/actris_vocab/scheduled",
|     "actris_timeliness_preferred_term": "scheduled",
|     "actris_instrument_type_uri": "https://vocabulary.actris.nilu.no/actris_vocab/chemiluminescencedetector-photolyticalconverter",
|     "actris_instrument_type_preferred_term": "chemiluminescence detector, photolytical converter",
|     "actris_framework_uri": "https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG",
|     "actris_framework_preferred_term": "ACTRIS, EMEP, GAW-WDCRG",
|     "actris_temporal_resolution": "PT1H",
|     "actris_access_restriction": false
| }
dataset /meta_nitrogen_dioxide_ug_N_per_m3_amean: string, shape (1)
	attribute long_name = "ebas metadata for different time intervals; json encoded"
	text = (text block)
| {
|     "ebas_data_license": "https://creativecommons.org/licenses/by/4.0/",
|     "ebas_revision_date": "2026-06-25T13:51:28.046758Z",
|     "ebas_version": "1",
|     "ebas_version_description": "initial revision, manually inspected",
|     "ebas_statistics": "arithmetic mean",
|     "ebas_data_level": "3a",
|     "ebas_sample_duration": "1h",
|     "ebas_orig_time_res": "5mn",
|     "ebas_station_code": "FR0030R",
|     "ebas_platform_code": "FR0030S",
|     "ebas_station_name": "Puy de Dôme",
|     "ebas_station_gaw_id": "PUY",
|     "ebas_station_gaw_name": "Puy de Dôme",
|     "ebas_station_other_ids": "FRPUY (SYLVA)",
|     "ebas_station_land_use": "Forest",
|     "ebas_station_setting": "Mountain",
|     "ebas_station_gaw_type": "G",
|     "ebas_station_wmo_region": 6,
|     "ebas_station_latitude": 45.772223,
|     "ebas_station_longitude": 2.964886,
|     "ebas_station_altitude": "1465.0 m",
|     "ebas_measurement_height": "12.0 m",
|     "ebas_regime": "IMG",
|     "ebas_component": "nitrogen_dioxide",
|     "ebas_unit": "ug N/m3",
|     "ebas_matrix": "air",
|     "ebas_laboratory_code": "FR04L",
|     "ebas_instrument_type": "chemiluminescence_photolytic",
|     "ebas_instrument_name": "PUY_chem_photo_Teledyne_T200UP-198",
|     "ebas_instrument_manufacturer": "Teledyne",
|     "ebas_instrument_model": "T200UP",
|     "ebas_instrument_serial_number": "T200UP-198",
|     "ebas_method_ref": "FR04L_Teledyne_T200UP_DE20L_NOx_corr_O3_H2O",
|     "ebas_standard_method": "None",
|     "ebas_calibration_standard_id": "Manufacturer: Linde, Batch: 1234567",
|     "ebas_inlet_type": "Hat or hood",
|     "ebas_inlet_description": "upstream from manifold, tube length=6.5m, flow rate=17l/min",
|     "ebas_inlet_tube_material": "Teflon",
|     "ebas_ozone_correction": "Corrected for reaction with O3 in the inlet",
|     "ebas_water_vapor_correction": "Corrected for water vapor quenching in CLD",
|     "ebas_humidity_temperaure_control": "Temperature conditioning at 20 deg. C",
|     "ebas_humidity_temperaure_control_description": "None",
|     "ebas_volume_std_temperature": "273.15 K",
|     "ebas_volume_std_pressure": "1013.25 hPa",
|     "ebas_detection_limit_expl": "given by instrument constructor",
|     "ebas_measurement_uncertainty_expl": "includes statistical uncertainty of individual sample and calibration uncertainty",
|     "ebas_zero_negative_values_code": "Zero possible",
|     "ebas_zero_negative_values": "Zero values may appear if the concentration is under limit of detection",
|     "ebas_organization": "FR04L, CNRS-LaMP, , , Campus des Cézeaux, 24 avenue des Landais, 63177, Aubière, France",
|     "ebas_framework_acronym": "ACTRIS, EMEP, GAW-WDCRG",
|     "ebas_framework_name": "\"European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases\", European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases",
|     "ebas_framework_description": "\"ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.\", The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.",
|     "ebas_framework_contact_name": "Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth",
|     "ebas_framework_contact_email": "clm@nilu.no, kt@nilu.no, kt@nilu.no",
|     "ebas_originator": "\"Colomb, Aurelie, , , , , , , , , \", \"Pichon, Jean-Marc, , , , , , , , , \"",
|     "ebas_submitter": "\"Pascal, Nicolas, , , , , , , , , \", \"Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany\"",
|     "ebas_acknowledgement": "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment",
|     "ebas_comment": "SOP WP4_D4.2_M12.pdf ; detection limits NO=0.050 nmol/mol; NO2=0.050 nmol/mol ; converter efficiency=95% ; Blue Light Converter ; Not corrected from baseline converted by TC from FR0030R.20231002000000.20240318160016.chemiluminescence_photolytic.NOx.air.1y.5mn.FR04L_PUY_chem_photo_Teledyne_T200UP-198.FR04L_Teledyne_T200UP_PUY.lev0.nas + FR0030R.20230101000000.20240222091931.uv_abs.ozone.air.1y.5mn.FR04L_uv_abs_Thermo_49i.FR04L_Thermo_49i_PUY.lev1.nas + FR0030R.20230101000000.20240207082924.aws..met.1y.5mn.FR04L_PUY_AWS_Vaisala_NA.FR04L_Vaisala_custom_built_PUY.lev0.nas ,precision, uncertainty, dectection limit not reported, NO offset correction -- Data converted on import into EBAS from 'nmol/mol' to 'ug N/m3' at 273.15 K, 1013.25 hPa, conversion factor 0.62492281.",
|     "actris_variable_uri": "https://vocabulary.actris.nilu.no/actris_vocab/nitrogendioxidemassconcentration",
|     "actris_variable_preferred_term": "nitrogen dioxide mass concentration",
|     "actris_matrix_uri": "https://vocabulary.actris.nilu.no/actris_vocab/gasphase",
|     "actris_matrix_preferred_term": "gas phase",
|     "actris_constraints_uri": "https://vocabulary.actris.nilu.no/actris_vocab/expressedasnitrogen",
|     "actris_constraints_preferred_term": "expressed as nitrogen",
|     "actris_timeliness_uri": "https://vocabulary.actris.nilu.no/actris_vocab/scheduled",
|     "actris_timeliness_preferred_term": "scheduled",
|     "actris_instrument_type_uri": "https://vocabulary.actris.nilu.no/actris_vocab/chemiluminescencedetector-photolyticalconverter",
|     "actris_instrument_type_preferred_term": "chemiluminescence detector, photolytical converter",
|     "actris_framework_uri": "https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG",
|     "actris_framework_preferred_term": "ACTRIS, EMEP, GAW-WDCRG",
|     "actris_temporal_resolution": "PT1H",
|     "actris_access_restriction": false
| }
dataset /meta_nitrogen_dioxide_ug_N_per_m3_perc8413: string, shape (1)
	attribute long_name = "ebas metadata for different time intervals; json encoded"
	text = (text block)
| {
|     "ebas_data_license": "https://creativecommons.org/licenses/by/4.0/",
|     "ebas_revision_date": "2026-06-25T13:51:28.046758Z",
|     "ebas_version": "1",
|     "ebas_version_description": "initial revision, manually inspected",
|     "ebas_statistics": "percentile:84.13",
|     "ebas_data_level": "3a",
|     "ebas_sample_duration": "1h",
|     "ebas_orig_time_res": "5mn",
|     "ebas_station_code": "FR0030R",
|     "ebas_platform_code": "FR0030S",
|     "ebas_station_name": "Puy de Dôme",
|     "ebas_station_gaw_id": "PUY",
|     "ebas_station_gaw_name": "Puy de Dôme",
|     "ebas_station_other_ids": "FRPUY (SYLVA)",
|     "ebas_station_land_use": "Forest",
|     "ebas_station_setting": "Mountain",
|     "ebas_station_gaw_type": "G",
|     "ebas_station_wmo_region": 6,
|     "ebas_station_latitude": 45.772223,
|     "ebas_station_longitude": 2.964886,
|     "ebas_station_altitude": "1465.0 m",
|     "ebas_measurement_height": "12.0 m",
|     "ebas_regime": "IMG",
|     "ebas_component": "nitrogen_dioxide",
|     "ebas_unit": "ug N/m3",
|     "ebas_matrix": "air",
|     "ebas_laboratory_code": "FR04L",
|     "ebas_instrument_type": "chemiluminescence_photolytic",
|     "ebas_instrument_name": "PUY_chem_photo_Teledyne_T200UP-198",
|     "ebas_instrument_manufacturer": "Teledyne",
|     "ebas_instrument_model": "T200UP",
|     "ebas_instrument_serial_number": "T200UP-198",
|     "ebas_method_ref": "FR04L_Teledyne_T200UP_DE20L_NOx_corr_O3_H2O",
|     "ebas_standard_method": "None",
|     "ebas_calibration_standard_id": "Manufacturer: Linde, Batch: 1234567",
|     "ebas_inlet_type": "Hat or hood",
|     "ebas_inlet_description": "upstream from manifold, tube length=6.5m, flow rate=17l/min",
|     "ebas_inlet_tube_material": "Teflon",
|     "ebas_ozone_correction": "Corrected for reaction with O3 in the inlet",
|     "ebas_water_vapor_correction": "Corrected for water vapor quenching in CLD",
|     "ebas_humidity_temperaure_control": "Temperature conditioning at 20 deg. C",
|     "ebas_humidity_temperaure_control_description": "None",
|     "ebas_volume_std_temperature": "273.15 K",
|     "ebas_volume_std_pressure": "1013.25 hPa",
|     "ebas_detection_limit_expl": "given by instrument constructor",
|     "ebas_measurement_uncertainty_expl": "includes statistical uncertainty of individual sample and calibration uncertainty",
|     "ebas_zero_negative_values_code": "Zero possible",
|     "ebas_zero_negative_values": "Zero values may appear if the concentration is under limit of detection",
|     "ebas_organization": "FR04L, CNRS-LaMP, , , Campus des Cézeaux, 24 avenue des Landais, 63177, Aubière, France",
|     "ebas_framework_acronym": "ACTRIS, EMEP, GAW-WDCRG",
|     "ebas_framework_name": "\"European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases\", European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases",
|     "ebas_framework_description": "\"ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.\", The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.",
|     "ebas_framework_contact_name": "Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth",
|     "ebas_framework_contact_email": "clm@nilu.no, kt@nilu.no, kt@nilu.no",
|     "ebas_originator": "\"Colomb, Aurelie, , , , , , , , , \", \"Pichon, Jean-Marc, , , , , , , , , \"",
|     "ebas_submitter": "\"Pascal, Nicolas, , , , , , , , , \", \"Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany\"",
|     "ebas_acknowledgement": "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment",
|     "ebas_comment": "SOP WP4_D4.2_M12.pdf ; detection limits NO=0.050 nmol/mol; NO2=0.050 nmol/mol ; converter efficiency=95% ; Blue Light Converter ; Not corrected from baseline converted by TC from FR0030R.20231002000000.20240318160016.chemiluminescence_photolytic.NOx.air.1y.5mn.FR04L_PUY_chem_photo_Teledyne_T200UP-198.FR04L_Teledyne_T200UP_PUY.lev0.nas + FR0030R.20230101000000.20240222091931.uv_abs.ozone.air.1y.5mn.FR04L_uv_abs_Thermo_49i.FR04L_Thermo_49i_PUY.lev1.nas + FR0030R.20230101000000.20240207082924.aws..met.1y.5mn.FR04L_PUY_AWS_Vaisala_NA.FR04L_Vaisala_custom_built_PUY.lev0.nas ,precision, uncertainty, dectection limit not reported, NO offset correction -- Data converted on import into EBAS from 'nmol/mol' to 'ug N/m3' at 273.15 K, 1013.25 hPa, conversion factor 0.62492281.",
|     "actris_variable_uri": "https://vocabulary.actris.nilu.no/actris_vocab/nitrogendioxidemassconcentration",
|     "actris_variable_preferred_term": "nitrogen dioxide mass concentration",
|     "actris_matrix_uri": "https://vocabulary.actris.nilu.no/actris_vocab/gasphase",
|     "actris_matrix_preferred_term": "gas phase",
|     "actris_constraints_uri": "https://vocabulary.actris.nilu.no/actris_vocab/expressedasnitrogen",
|     "actris_constraints_preferred_term": "expressed as nitrogen",
|     "actris_timeliness_uri": "https://vocabulary.actris.nilu.no/actris_vocab/scheduled",
|     "actris_timeliness_preferred_term": "scheduled",
|     "actris_instrument_type_uri": "https://vocabulary.actris.nilu.no/actris_vocab/chemiluminescencedetector-photolyticalconverter",
|     "actris_instrument_type_preferred_term": "chemiluminescence detector, photolytical converter",
|     "actris_framework_uri": "https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG",
|     "actris_framework_preferred_term": "ACTRIS, EMEP, GAW-WDCRG",
|     "actris_temporal_resolution": "PT1H",
|     "actris_access_restriction": false
| }
dataset /meta_nitrogen_dioxide_ug_N_per_m3_prec1587: string, shape (1)
	attribute long_name = "ebas metadata for different time intervals; json encoded"
	text = (text block)
| {
|     "ebas_data_license": "https://creativecommons.org/licenses/by/4.0/",
|     "ebas_revision_date": "2026-06-25T13:51:28.046758Z",
|     "ebas_version": "1",
|     "ebas_version_description": "initial revision, manually inspected",
|     "ebas_statistics": "percentile:15.87",
|     "ebas_data_level": "3a",
|     "ebas_sample_duration": "1h",
|     "ebas_orig_time_res": "5mn",
|     "ebas_station_code": "FR0030R",
|     "ebas_platform_code": "FR0030S",
|     "ebas_station_name": "Puy de Dôme",
|     "ebas_station_gaw_id": "PUY",
|     "ebas_station_gaw_name": "Puy de Dôme",
|     "ebas_station_other_ids": "FRPUY (SYLVA)",
|     "ebas_station_land_use": "Forest",
|     "ebas_station_setting": "Mountain",
|     "ebas_station_gaw_type": "G",
|     "ebas_station_wmo_region": 6,
|     "ebas_station_latitude": 45.772223,
|     "ebas_station_longitude": 2.964886,
|     "ebas_station_altitude": "1465.0 m",
|     "ebas_measurement_height": "12.0 m",
|     "ebas_regime": "IMG",
|     "ebas_component": "nitrogen_dioxide",
|     "ebas_unit": "ug N/m3",
|     "ebas_matrix": "air",
|     "ebas_laboratory_code": "FR04L",
|     "ebas_instrument_type": "chemiluminescence_photolytic",
|     "ebas_instrument_name": "PUY_chem_photo_Teledyne_T200UP-198",
|     "ebas_instrument_manufacturer": "Teledyne",
|     "ebas_instrument_model": "T200UP",
|     "ebas_instrument_serial_number": "T200UP-198",
|     "ebas_method_ref": "FR04L_Teledyne_T200UP_DE20L_NOx_corr_O3_H2O",
|     "ebas_standard_method": "None",
|     "ebas_calibration_standard_id": "Manufacturer: Linde, Batch: 1234567",
|     "ebas_inlet_type": "Hat or hood",
|     "ebas_inlet_description": "upstream from manifold, tube length=6.5m, flow rate=17l/min",
|     "ebas_inlet_tube_material": "Teflon",
|     "ebas_ozone_correction": "Corrected for reaction with O3 in the inlet",
|     "ebas_water_vapor_correction": "Corrected for water vapor quenching in CLD",
|     "ebas_humidity_temperaure_control": "Temperature conditioning at 20 deg. C",
|     "ebas_humidity_temperaure_control_description": "None",
|     "ebas_volume_std_temperature": "273.15 K",
|     "ebas_volume_std_pressure": "1013.25 hPa",
|     "ebas_detection_limit_expl": "given by instrument constructor",
|     "ebas_measurement_uncertainty_expl": "includes statistical uncertainty of individual sample and calibration uncertainty",
|     "ebas_zero_negative_values_code": "Zero possible",
|     "ebas_zero_negative_values": "Zero values may appear if the concentration is under limit of detection",
|     "ebas_organization": "FR04L, CNRS-LaMP, , , Campus des Cézeaux, 24 avenue des Landais, 63177, Aubière, France",
|     "ebas_framework_acronym": "ACTRIS, EMEP, GAW-WDCRG",
|     "ebas_framework_name": "\"European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases\", European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases",
|     "ebas_framework_description": "\"ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.\", The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.",
|     "ebas_framework_contact_name": "Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth",
|     "ebas_framework_contact_email": "clm@nilu.no, kt@nilu.no, kt@nilu.no",
|     "ebas_originator": "\"Colomb, Aurelie, , , , , , , , , \", \"Pichon, Jean-Marc, , , , , , , , , \"",
|     "ebas_submitter": "\"Pascal, Nicolas, , , , , , , , , \", \"Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany\"",
|     "ebas_acknowledgement": "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment",
|     "ebas_comment": "SOP WP4_D4.2_M12.pdf ; detection limits NO=0.050 nmol/mol; NO2=0.050 nmol/mol ; converter efficiency=95% ; Blue Light Converter ; Not corrected from baseline converted by TC from FR0030R.20231002000000.20240318160016.chemiluminescence_photolytic.NOx.air.1y.5mn.FR04L_PUY_chem_photo_Teledyne_T200UP-198.FR04L_Teledyne_T200UP_PUY.lev0.nas + FR0030R.20230101000000.20240222091931.uv_abs.ozone.air.1y.5mn.FR04L_uv_abs_Thermo_49i.FR04L_Thermo_49i_PUY.lev1.nas + FR0030R.20230101000000.20240207082924.aws..met.1y.5mn.FR04L_PUY_AWS_Vaisala_NA.FR04L_Vaisala_custom_built_PUY.lev0.nas ,precision, uncertainty, dectection limit not reported, NO offset correction -- Data converted on import into EBAS from 'nmol/mol' to 'ug N/m3' at 273.15 K, 1013.25 hPa, conversion factor 0.62492281.",
|     "actris_variable_uri": "https://vocabulary.actris.nilu.no/actris_vocab/nitrogendioxidemassconcentration",
|     "actris_variable_preferred_term": "nitrogen dioxide mass concentration",
|     "actris_matrix_uri": "https://vocabulary.actris.nilu.no/actris_vocab/gasphase",
|     "actris_matrix_preferred_term": "gas phase",
|     "actris_constraints_uri": "https://vocabulary.actris.nilu.no/actris_vocab/expressedasnitrogen",
|     "actris_constraints_preferred_term": "expressed as nitrogen",
|     "actris_timeliness_uri": "https://vocabulary.actris.nilu.no/actris_vocab/scheduled",
|     "actris_timeliness_preferred_term": "scheduled",
|     "actris_instrument_type_uri": "https://vocabulary.actris.nilu.no/actris_vocab/chemiluminescencedetector-photolyticalconverter",
|     "actris_instrument_type_preferred_term": "chemiluminescence detector, photolytical converter",
|     "actris_framework_uri": "https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG",
|     "actris_framework_preferred_term": "ACTRIS, EMEP, GAW-WDCRG",
|     "actris_temporal_resolution": "PT1H",
|     "actris_access_restriction": false
| }
dataset /meta_nitrogen_dioxide_ug_N_per_m3_stddev: string, shape (1)
	attribute long_name = "ebas metadata for different time intervals; json encoded"
	text = (text block)
| {
|     "ebas_data_license": "https://creativecommons.org/licenses/by/4.0/",
|     "ebas_revision_date": "2026-06-25T13:51:28.046758Z",
|     "ebas_version": "1",
|     "ebas_version_description": "initial revision, manually inspected",
|     "ebas_statistics": "stddev",
|     "ebas_data_level": "3a",
|     "ebas_sample_duration": "1h",
|     "ebas_orig_time_res": "5mn",
|     "ebas_station_code": "FR0030R",
|     "ebas_platform_code": "FR0030S",
|     "ebas_station_name": "Puy de Dôme",
|     "ebas_station_gaw_id": "PUY",
|     "ebas_station_gaw_name": "Puy de Dôme",
|     "ebas_station_other_ids": "FRPUY (SYLVA)",
|     "ebas_station_land_use": "Forest",
|     "ebas_station_setting": "Mountain",
|     "ebas_station_gaw_type": "G",
|     "ebas_station_wmo_region": 6,
|     "ebas_station_latitude": 45.772223,
|     "ebas_station_longitude": 2.964886,
|     "ebas_station_altitude": "1465.0 m",
|     "ebas_measurement_height": "12.0 m",
|     "ebas_regime": "IMG",
|     "ebas_component": "nitrogen_dioxide",
|     "ebas_unit": "ug N/m3",
|     "ebas_matrix": "air",
|     "ebas_laboratory_code": "FR04L",
|     "ebas_instrument_type": "chemiluminescence_photolytic",
|     "ebas_instrument_name": "PUY_chem_photo_Teledyne_T200UP-198",
|     "ebas_instrument_manufacturer": "Teledyne",
|     "ebas_instrument_model": "T200UP",
|     "ebas_instrument_serial_number": "T200UP-198",
|     "ebas_method_ref": "FR04L_Teledyne_T200UP_DE20L_NOx_corr_O3_H2O",
|     "ebas_standard_method": "None",
|     "ebas_calibration_standard_id": "Manufacturer: Linde, Batch: 1234567",
|     "ebas_inlet_type": "Hat or hood",
|     "ebas_inlet_description": "upstream from manifold, tube length=6.5m, flow rate=17l/min",
|     "ebas_inlet_tube_material": "Teflon",
|     "ebas_ozone_correction": "Corrected for reaction with O3 in the inlet",
|     "ebas_water_vapor_correction": "Corrected for water vapor quenching in CLD",
|     "ebas_humidity_temperaure_control": "Temperature conditioning at 20 deg. C",
|     "ebas_humidity_temperaure_control_description": "None",
|     "ebas_volume_std_temperature": "273.15 K",
|     "ebas_volume_std_pressure": "1013.25 hPa",
|     "ebas_detection_limit_expl": "given by instrument constructor",
|     "ebas_measurement_uncertainty_expl": "includes statistical uncertainty of individual sample and calibration uncertainty",
|     "ebas_zero_negative_values_code": "Zero possible",
|     "ebas_zero_negative_values": "Zero values may appear if the concentration is under limit of detection",
|     "ebas_organization": "FR04L, CNRS-LaMP, , , Campus des Cézeaux, 24 avenue des Landais, 63177, Aubière, France",
|     "ebas_framework_acronym": "ACTRIS, EMEP, GAW-WDCRG",
|     "ebas_framework_name": "\"European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases\", European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases",
|     "ebas_framework_description": "\"ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.\", The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.",
|     "ebas_framework_contact_name": "Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth",
|     "ebas_framework_contact_email": "clm@nilu.no, kt@nilu.no, kt@nilu.no",
|     "ebas_originator": "\"Colomb, Aurelie, , , , , , , , , \", \"Pichon, Jean-Marc, , , , , , , , , \"",
|     "ebas_submitter": "\"Pascal, Nicolas, , , , , , , , , \", \"Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany\"",
|     "ebas_acknowledgement": "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment",
|     "ebas_comment": "SOP WP4_D4.2_M12.pdf ; detection limits NO=0.050 nmol/mol; NO2=0.050 nmol/mol ; converter efficiency=95% ; Blue Light Converter ; Not corrected from baseline converted by TC from FR0030R.20231002000000.20240318160016.chemiluminescence_photolytic.NOx.air.1y.5mn.FR04L_PUY_chem_photo_Teledyne_T200UP-198.FR04L_Teledyne_T200UP_PUY.lev0.nas + FR0030R.20230101000000.20240222091931.uv_abs.ozone.air.1y.5mn.FR04L_uv_abs_Thermo_49i.FR04L_Thermo_49i_PUY.lev1.nas + FR0030R.20230101000000.20240207082924.aws..met.1y.5mn.FR04L_PUY_AWS_Vaisala_NA.FR04L_Vaisala_custom_built_PUY.lev0.nas ,precision, uncertainty, dectection limit not reported, NO offset correction -- Data converted on import into EBAS from 'nmol/mol' to 'ug N/m3' at 273.15 K, 1013.25 hPa, conversion factor 0.62492281.",
|     "actris_variable_uri": "https://vocabulary.actris.nilu.no/actris_vocab/nitrogendioxidemassconcentration",
|     "actris_variable_preferred_term": "nitrogen dioxide mass concentration",
|     "actris_matrix_uri": "https://vocabulary.actris.nilu.no/actris_vocab/gasphase",
|     "actris_matrix_preferred_term": "gas phase",
|     "actris_constraints_uri": "https://vocabulary.actris.nilu.no/actris_vocab/expressedasnitrogen",
|     "actris_constraints_preferred_term": "expressed as nitrogen",
|     "actris_timeliness_uri": "https://vocabulary.actris.nilu.no/actris_vocab/scheduled",
|     "actris_timeliness_preferred_term": "scheduled",
|     "actris_instrument_type_uri": "https://vocabulary.actris.nilu.no/actris_vocab/chemiluminescencedetector-photolyticalconverter",
|     "actris_instrument_type_preferred_term": "chemiluminescence detector, photolytical converter",
|     "actris_framework_uri": "https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG",
|     "actris_framework_preferred_term": "ACTRIS, EMEP, GAW-WDCRG",
|     "actris_temporal_resolution": "PT1H",
|     "actris_access_restriction": false
| }
dataset /meta_nitrogen_monoxide_nmol_per_mol_amean: string, shape (1)
	attribute long_name = "ebas metadata for different time intervals; json encoded"
	text = (text block)
| {
|     "ebas_data_license": "https://creativecommons.org/licenses/by/4.0/",
|     "ebas_revision_date": "2026-06-25T13:51:28.046758Z",
|     "ebas_version": "1",
|     "ebas_version_description": "initial revision, manually inspected",
|     "ebas_statistics": "arithmetic mean",
|     "ebas_data_level": "3a",
|     "ebas_sample_duration": "1h",
|     "ebas_orig_time_res": "5mn",
|     "ebas_station_code": "FR0030R",
|     "ebas_platform_code": "FR0030S",
|     "ebas_station_name": "Puy de Dôme",
|     "ebas_station_gaw_id": "PUY",
|     "ebas_station_gaw_name": "Puy de Dôme",
|     "ebas_station_other_ids": "FRPUY (SYLVA)",
|     "ebas_station_land_use": "Forest",
|     "ebas_station_setting": "Mountain",
|     "ebas_station_gaw_type": "G",
|     "ebas_station_wmo_region": 6,
|     "ebas_station_latitude": 45.772223,
|     "ebas_station_longitude": 2.964886,
|     "ebas_station_altitude": "1465.0 m",
|     "ebas_measurement_height": "12.0 m",
|     "ebas_regime": "IMG",
|     "ebas_component": "nitrogen_monoxide",
|     "ebas_unit": "nmol/mol",
|     "ebas_matrix": "air",
|     "ebas_laboratory_code": "FR04L",
|     "ebas_instrument_type": "chemiluminescence_photolytic",
|     "ebas_instrument_name": "PUY_chem_photo_Teledyne_T200UP-198",
|     "ebas_instrument_manufacturer": "Teledyne",
|     "ebas_instrument_model": "T200UP",
|     "ebas_instrument_serial_number": "T200UP-198",
|     "ebas_method_ref": "FR04L_Teledyne_T200UP_DE20L_NOx_corr_O3_H2O",
|     "ebas_standard_method": "None",
|     "ebas_calibration_standard_id": "Manufacturer: Linde, Batch: 1234567",
|     "ebas_inlet_type": "Hat or hood",
|     "ebas_inlet_description": "upstream from manifold, tube length=6.5m, flow rate=17l/min",
|     "ebas_inlet_tube_material": "Teflon",
|     "ebas_ozone_correction": "Corrected for reaction with O3 in the inlet",
|     "ebas_water_vapor_correction": "Corrected for water vapor quenching in CLD",
|     "ebas_humidity_temperaure_control": "Temperature conditioning at 20 deg. C",
|     "ebas_humidity_temperaure_control_description": "None",
|     "ebas_detection_limit_expl": "given by instrument constructor",
|     "ebas_measurement_uncertainty_expl": "includes statistical uncertainty of individual sample and calibration uncertainty",
|     "ebas_zero_negative_values_code": "Zero possible",
|     "ebas_zero_negative_values": "Zero values may appear if the concentration is under limit of detection",
|     "ebas_organization": "FR04L, CNRS-LaMP, , , Campus des Cézeaux, 24 avenue des Landais, 63177, Aubière, France",
|     "ebas_framework_acronym": "ACTRIS, EMEP, GAW-WDCRG",
|     "ebas_framework_name": "\"European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases\", European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases",
|     "ebas_framework_description": "\"ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.\", The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.",
|     "ebas_framework_contact_name": "Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth",
|     "ebas_framework_contact_email": "clm@nilu.no, kt@nilu.no, kt@nilu.no",
|     "ebas_originator": "\"Colomb, Aurelie, , , , , , , , , \", \"Pichon, Jean-Marc, , , , , , , , , \"",
|     "ebas_submitter": "\"Pascal, Nicolas, , , , , , , , , \", \"Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany\"",
|     "ebas_acknowledgement": "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment",
|     "ebas_comment": "SOP WP4_D4.2_M12.pdf ; detection limits NO=0.050 nmol/mol; NO2=0.050 nmol/mol ; converter efficiency=95% ; Blue Light Converter ; Not corrected from baseline converted by TC from FR0030R.20231002000000.20240318160016.chemiluminescence_photolytic.NOx.air.1y.5mn.FR04L_PUY_chem_photo_Teledyne_T200UP-198.FR04L_Teledyne_T200UP_PUY.lev0.nas + FR0030R.20230101000000.20240222091931.uv_abs.ozone.air.1y.5mn.FR04L_uv_abs_Thermo_49i.FR04L_Thermo_49i_PUY.lev1.nas + FR0030R.20230101000000.20240207082924.aws..met.1y.5mn.FR04L_PUY_AWS_Vaisala_NA.FR04L_Vaisala_custom_built_PUY.lev0.nas ,precision, uncertainty, dectection limit not reported, NO offset correction -- Data converted on import into EBAS from 'nmol/mol' to 'ug N/m3' at 273.15 K, 1013.25 hPa, conversion factor 0.62492281. -- Data converted on export from EBAS from 'ug N/m3' at 273.15 K, 1013.25 hPa to 'nmol/mol', conversion factor 1.6001976.",
|     "actris_variable_uri": "https://vocabulary.actris.nilu.no/actris_vocab/nitricoxideamountfraction",
|     "actris_variable_preferred_term": "nitric oxide amount fraction",
|     "actris_matrix_uri": "https://vocabulary.actris.nilu.no/actris_vocab/gasphase",
|     "actris_matrix_preferred_term": "gas phase",
|     "actris_timeliness_uri": "https://vocabulary.actris.nilu.no/actris_vocab/scheduled",
|     "actris_timeliness_preferred_term": "scheduled",
|     "actris_instrument_type_uri": "https://vocabulary.actris.nilu.no/actris_vocab/chemiluminescencedetector-photolyticalconverter",
|     "actris_instrument_type_preferred_term": "chemiluminescence detector, photolytical converter",
|     "actris_framework_uri": "https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG",
|     "actris_framework_preferred_term": "ACTRIS, EMEP, GAW-WDCRG",
|     "actris_temporal_resolution": "PT1H",
|     "actris_access_restriction": false
| }
dataset /meta_nitrogen_monoxide_nmol_per_mol_perc8413: string, shape (1)
	attribute long_name = "ebas metadata for different time intervals; json encoded"
	text = (text block)
| {
|     "ebas_data_license": "https://creativecommons.org/licenses/by/4.0/",
|     "ebas_revision_date": "2026-06-25T13:51:28.046758Z",
|     "ebas_version": "1",
|     "ebas_version_description": "initial revision, manually inspected",
|     "ebas_statistics": "percentile:84.13",
|     "ebas_data_level": "3a",
|     "ebas_sample_duration": "1h",
|     "ebas_orig_time_res": "5mn",
|     "ebas_station_code": "FR0030R",
|     "ebas_platform_code": "FR0030S",
|     "ebas_station_name": "Puy de Dôme",
|     "ebas_station_gaw_id": "PUY",
|     "ebas_station_gaw_name": "Puy de Dôme",
|     "ebas_station_other_ids": "FRPUY (SYLVA)",
|     "ebas_station_land_use": "Forest",
|     "ebas_station_setting": "Mountain",
|     "ebas_station_gaw_type": "G",
|     "ebas_station_wmo_region": 6,
|     "ebas_station_latitude": 45.772223,
|     "ebas_station_longitude": 2.964886,
|     "ebas_station_altitude": "1465.0 m",
|     "ebas_measurement_height": "12.0 m",
|     "ebas_regime": "IMG",
|     "ebas_component": "nitrogen_monoxide",
|     "ebas_unit": "nmol/mol",
|     "ebas_matrix": "air",
|     "ebas_laboratory_code": "FR04L",
|     "ebas_instrument_type": "chemiluminescence_photolytic",
|     "ebas_instrument_name": "PUY_chem_photo_Teledyne_T200UP-198",
|     "ebas_instrument_manufacturer": "Teledyne",
|     "ebas_instrument_model": "T200UP",
|     "ebas_instrument_serial_number": "T200UP-198",
|     "ebas_method_ref": "FR04L_Teledyne_T200UP_DE20L_NOx_corr_O3_H2O",
|     "ebas_standard_method": "None",
|     "ebas_calibration_standard_id": "Manufacturer: Linde, Batch: 1234567",
|     "ebas_inlet_type": "Hat or hood",
|     "ebas_inlet_description": "upstream from manifold, tube length=6.5m, flow rate=17l/min",
|     "ebas_inlet_tube_material": "Teflon",
|     "ebas_ozone_correction": "Corrected for reaction with O3 in the inlet",
|     "ebas_water_vapor_correction": "Corrected for water vapor quenching in CLD",
|     "ebas_humidity_temperaure_control": "Temperature conditioning at 20 deg. C",
|     "ebas_humidity_temperaure_control_description": "None",
|     "ebas_detection_limit_expl": "given by instrument constructor",
|     "ebas_measurement_uncertainty_expl": "includes statistical uncertainty of individual sample and calibration uncertainty",
|     "ebas_zero_negative_values_code": "Zero possible",
|     "ebas_zero_negative_values": "Zero values may appear if the concentration is under limit of detection",
|     "ebas_organization": "FR04L, CNRS-LaMP, , , Campus des Cézeaux, 24 avenue des Landais, 63177, Aubière, France",
|     "ebas_framework_acronym": "ACTRIS, EMEP, GAW-WDCRG",
|     "ebas_framework_name": "\"European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases\", European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases",
|     "ebas_framework_description": "\"ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.\", The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.",
|     "ebas_framework_contact_name": "Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth",
|     "ebas_framework_contact_email": "clm@nilu.no, kt@nilu.no, kt@nilu.no",
|     "ebas_originator": "\"Colomb, Aurelie, , , , , , , , , \", \"Pichon, Jean-Marc, , , , , , , , , \"",
|     "ebas_submitter": "\"Pascal, Nicolas, , , , , , , , , \", \"Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany\"",
|     "ebas_acknowledgement": "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment",
|     "ebas_comment": "SOP WP4_D4.2_M12.pdf ; detection limits NO=0.050 nmol/mol; NO2=0.050 nmol/mol ; converter efficiency=95% ; Blue Light Converter ; Not corrected from baseline converted by TC from FR0030R.20231002000000.20240318160016.chemiluminescence_photolytic.NOx.air.1y.5mn.FR04L_PUY_chem_photo_Teledyne_T200UP-198.FR04L_Teledyne_T200UP_PUY.lev0.nas + FR0030R.20230101000000.20240222091931.uv_abs.ozone.air.1y.5mn.FR04L_uv_abs_Thermo_49i.FR04L_Thermo_49i_PUY.lev1.nas + FR0030R.20230101000000.20240207082924.aws..met.1y.5mn.FR04L_PUY_AWS_Vaisala_NA.FR04L_Vaisala_custom_built_PUY.lev0.nas ,precision, uncertainty, dectection limit not reported, NO offset correction -- Data converted on import into EBAS from 'nmol/mol' to 'ug N/m3' at 273.15 K, 1013.25 hPa, conversion factor 0.62492281. -- Data converted on export from EBAS from 'ug N/m3' at 273.15 K, 1013.25 hPa to 'nmol/mol', conversion factor 1.6001976.",
|     "actris_variable_uri": "https://vocabulary.actris.nilu.no/actris_vocab/nitricoxideamountfraction",
|     "actris_variable_preferred_term": "nitric oxide amount fraction",
|     "actris_matrix_uri": "https://vocabulary.actris.nilu.no/actris_vocab/gasphase",
|     "actris_matrix_preferred_term": "gas phase",
|     "actris_timeliness_uri": "https://vocabulary.actris.nilu.no/actris_vocab/scheduled",
|     "actris_timeliness_preferred_term": "scheduled",
|     "actris_instrument_type_uri": "https://vocabulary.actris.nilu.no/actris_vocab/chemiluminescencedetector-photolyticalconverter",
|     "actris_instrument_type_preferred_term": "chemiluminescence detector, photolytical converter",
|     "actris_framework_uri": "https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG",
|     "actris_framework_preferred_term": "ACTRIS, EMEP, GAW-WDCRG",
|     "actris_temporal_resolution": "PT1H",
|     "actris_access_restriction": false
| }
dataset /meta_nitrogen_monoxide_nmol_per_mol_prec1587: string, shape (1)
	attribute long_name = "ebas metadata for different time intervals; json encoded"
	text = (text block)
| {
|     "ebas_data_license": "https://creativecommons.org/licenses/by/4.0/",
|     "ebas_revision_date": "2026-06-25T13:51:28.046758Z",
|     "ebas_version": "1",
|     "ebas_version_description": "initial revision, manually inspected",
|     "ebas_statistics": "percentile:15.87",
|     "ebas_data_level": "3a",
|     "ebas_sample_duration": "1h",
|     "ebas_orig_time_res": "5mn",
|     "ebas_station_code": "FR0030R",
|     "ebas_platform_code": "FR0030S",
|     "ebas_station_name": "Puy de Dôme",
|     "ebas_station_gaw_id": "PUY",
|     "ebas_station_gaw_name": "Puy de Dôme",
|     "ebas_station_other_ids": "FRPUY (SYLVA)",
|     "ebas_station_land_use": "Forest",
|     "ebas_station_setting": "Mountain",
|     "ebas_station_gaw_type": "G",
|     "ebas_station_wmo_region": 6,
|     "ebas_station_latitude": 45.772223,
|     "ebas_station_longitude": 2.964886,
|     "ebas_station_altitude": "1465.0 m",
|     "ebas_measurement_height": "12.0 m",
|     "ebas_regime": "IMG",
|     "ebas_component": "nitrogen_monoxide",
|     "ebas_unit": "nmol/mol",
|     "ebas_matrix": "air",
|     "ebas_laboratory_code": "FR04L",
|     "ebas_instrument_type": "chemiluminescence_photolytic",
|     "ebas_instrument_name": "PUY_chem_photo_Teledyne_T200UP-198",
|     "ebas_instrument_manufacturer": "Teledyne",
|     "ebas_instrument_model": "T200UP",
|     "ebas_instrument_serial_number": "T200UP-198",
|     "ebas_method_ref": "FR04L_Teledyne_T200UP_DE20L_NOx_corr_O3_H2O",
|     "ebas_standard_method": "None",
|     "ebas_calibration_standard_id": "Manufacturer: Linde, Batch: 1234567",
|     "ebas_inlet_type": "Hat or hood",
|     "ebas_inlet_description": "upstream from manifold, tube length=6.5m, flow rate=17l/min",
|     "ebas_inlet_tube_material": "Teflon",
|     "ebas_ozone_correction": "Corrected for reaction with O3 in the inlet",
|     "ebas_water_vapor_correction": "Corrected for water vapor quenching in CLD",
|     "ebas_humidity_temperaure_control": "Temperature conditioning at 20 deg. C",
|     "ebas_humidity_temperaure_control_description": "None",
|     "ebas_detection_limit_expl": "given by instrument constructor",
|     "ebas_measurement_uncertainty_expl": "includes statistical uncertainty of individual sample and calibration uncertainty",
|     "ebas_zero_negative_values_code": "Zero possible",
|     "ebas_zero_negative_values": "Zero values may appear if the concentration is under limit of detection",
|     "ebas_organization": "FR04L, CNRS-LaMP, , , Campus des Cézeaux, 24 avenue des Landais, 63177, Aubière, France",
|     "ebas_framework_acronym": "ACTRIS, EMEP, GAW-WDCRG",
|     "ebas_framework_name": "\"European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases\", European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases",
|     "ebas_framework_description": "\"ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.\", The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.",
|     "ebas_framework_contact_name": "Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth",
|     "ebas_framework_contact_email": "clm@nilu.no, kt@nilu.no, kt@nilu.no",
|     "ebas_originator": "\"Colomb, Aurelie, , , , , , , , , \", \"Pichon, Jean-Marc, , , , , , , , , \"",
|     "ebas_submitter": "\"Pascal, Nicolas, , , , , , , , , \", \"Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany\"",
|     "ebas_acknowledgement": "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment",
|     "ebas_comment": "SOP WP4_D4.2_M12.pdf ; detection limits NO=0.050 nmol/mol; NO2=0.050 nmol/mol ; converter efficiency=95% ; Blue Light Converter ; Not corrected from baseline converted by TC from FR0030R.20231002000000.20240318160016.chemiluminescence_photolytic.NOx.air.1y.5mn.FR04L_PUY_chem_photo_Teledyne_T200UP-198.FR04L_Teledyne_T200UP_PUY.lev0.nas + FR0030R.20230101000000.20240222091931.uv_abs.ozone.air.1y.5mn.FR04L_uv_abs_Thermo_49i.FR04L_Thermo_49i_PUY.lev1.nas + FR0030R.20230101000000.20240207082924.aws..met.1y.5mn.FR04L_PUY_AWS_Vaisala_NA.FR04L_Vaisala_custom_built_PUY.lev0.nas ,precision, uncertainty, dectection limit not reported, NO offset correction -- Data converted on import into EBAS from 'nmol/mol' to 'ug N/m3' at 273.15 K, 1013.25 hPa, conversion factor 0.62492281. -- Data converted on export from EBAS from 'ug N/m3' at 273.15 K, 1013.25 hPa to 'nmol/mol', conversion factor 1.6001976.",
|     "actris_variable_uri": "https://vocabulary.actris.nilu.no/actris_vocab/nitricoxideamountfraction",
|     "actris_variable_preferred_term": "nitric oxide amount fraction",
|     "actris_matrix_uri": "https://vocabulary.actris.nilu.no/actris_vocab/gasphase",
|     "actris_matrix_preferred_term": "gas phase",
|     "actris_timeliness_uri": "https://vocabulary.actris.nilu.no/actris_vocab/scheduled",
|     "actris_timeliness_preferred_term": "scheduled",
|     "actris_instrument_type_uri": "https://vocabulary.actris.nilu.no/actris_vocab/chemiluminescencedetector-photolyticalconverter",
|     "actris_instrument_type_preferred_term": "chemiluminescence detector, photolytical converter",
|     "actris_framework_uri": "https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG",
|     "actris_framework_preferred_term": "ACTRIS, EMEP, GAW-WDCRG",
|     "actris_temporal_resolution": "PT1H",
|     "actris_access_restriction": false
| }
dataset /meta_nitrogen_monoxide_nmol_per_mol_stddev: string, shape (1)
	attribute long_name = "ebas metadata for different time intervals; json encoded"
	text = (text block)
| {
|     "ebas_data_license": "https://creativecommons.org/licenses/by/4.0/",
|     "ebas_revision_date": "2026-06-25T13:51:28.046758Z",
|     "ebas_version": "1",
|     "ebas_version_description": "initial revision, manually inspected",
|     "ebas_statistics": "stddev",
|     "ebas_data_level": "3a",
|     "ebas_sample_duration": "1h",
|     "ebas_orig_time_res": "5mn",
|     "ebas_station_code": "FR0030R",
|     "ebas_platform_code": "FR0030S",
|     "ebas_station_name": "Puy de Dôme",
|     "ebas_station_gaw_id": "PUY",
|     "ebas_station_gaw_name": "Puy de Dôme",
|     "ebas_station_other_ids": "FRPUY (SYLVA)",
|     "ebas_station_land_use": "Forest",
|     "ebas_station_setting": "Mountain",
|     "ebas_station_gaw_type": "G",
|     "ebas_station_wmo_region": 6,
|     "ebas_station_latitude": 45.772223,
|     "ebas_station_longitude": 2.964886,
|     "ebas_station_altitude": "1465.0 m",
|     "ebas_measurement_height": "12.0 m",
|     "ebas_regime": "IMG",
|     "ebas_component": "nitrogen_monoxide",
|     "ebas_unit": "nmol/mol",
|     "ebas_matrix": "air",
|     "ebas_laboratory_code": "FR04L",
|     "ebas_instrument_type": "chemiluminescence_photolytic",
|     "ebas_instrument_name": "PUY_chem_photo_Teledyne_T200UP-198",
|     "ebas_instrument_manufacturer": "Teledyne",
|     "ebas_instrument_model": "T200UP",
|     "ebas_instrument_serial_number": "T200UP-198",
|     "ebas_method_ref": "FR04L_Teledyne_T200UP_DE20L_NOx_corr_O3_H2O",
|     "ebas_standard_method": "None",
|     "ebas_calibration_standard_id": "Manufacturer: Linde, Batch: 1234567",
|     "ebas_inlet_type": "Hat or hood",
|     "ebas_inlet_description": "upstream from manifold, tube length=6.5m, flow rate=17l/min",
|     "ebas_inlet_tube_material": "Teflon",
|     "ebas_ozone_correction": "Corrected for reaction with O3 in the inlet",
|     "ebas_water_vapor_correction": "Corrected for water vapor quenching in CLD",
|     "ebas_humidity_temperaure_control": "Temperature conditioning at 20 deg. C",
|     "ebas_humidity_temperaure_control_description": "None",
|     "ebas_detection_limit_expl": "given by instrument constructor",
|     "ebas_measurement_uncertainty_expl": "includes statistical uncertainty of individual sample and calibration uncertainty",
|     "ebas_zero_negative_values_code": "Zero possible",
|     "ebas_zero_negative_values": "Zero values may appear if the concentration is under limit of detection",
|     "ebas_organization": "FR04L, CNRS-LaMP, , , Campus des Cézeaux, 24 avenue des Landais, 63177, Aubière, France",
|     "ebas_framework_acronym": "ACTRIS, EMEP, GAW-WDCRG",
|     "ebas_framework_name": "\"European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases\", European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases",
|     "ebas_framework_description": "\"ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.\", The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.",
|     "ebas_framework_contact_name": "Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth",
|     "ebas_framework_contact_email": "clm@nilu.no, kt@nilu.no, kt@nilu.no",
|     "ebas_originator": "\"Colomb, Aurelie, , , , , , , , , \", \"Pichon, Jean-Marc, , , , , , , , , \"",
|     "ebas_submitter": "\"Pascal, Nicolas, , , , , , , , , \", \"Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany\"",
|     "ebas_acknowledgement": "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment",
|     "ebas_comment": "SOP WP4_D4.2_M12.pdf ; detection limits NO=0.050 nmol/mol; NO2=0.050 nmol/mol ; converter efficiency=95% ; Blue Light Converter ; Not corrected from baseline converted by TC from FR0030R.20231002000000.20240318160016.chemiluminescence_photolytic.NOx.air.1y.5mn.FR04L_PUY_chem_photo_Teledyne_T200UP-198.FR04L_Teledyne_T200UP_PUY.lev0.nas + FR0030R.20230101000000.20240222091931.uv_abs.ozone.air.1y.5mn.FR04L_uv_abs_Thermo_49i.FR04L_Thermo_49i_PUY.lev1.nas + FR0030R.20230101000000.20240207082924.aws..met.1y.5mn.FR04L_PUY_AWS_Vaisala_NA.FR04L_Vaisala_custom_built_PUY.lev0.nas ,precision, uncertainty, dectection limit not reported, NO offset correction -- Data converted on import into EBAS from 'nmol/mol' to 'ug N/m3' at 273.15 K, 1013.25 hPa, conversion factor 0.62492281. -- Data converted on export from EBAS from 'ug N/m3' at 273.15 K, 1013.25 hPa to 'nmol/mol', conversion factor 1.6001976.",
|     "actris_variable_uri": "https://vocabulary.actris.nilu.no/actris_vocab/nitricoxideamountfraction",
|     "actris_variable_preferred_term": "nitric oxide amount fraction",
|     "actris_matrix_uri": "https://vocabulary.actris.nilu.no/actris_vocab/gasphase",
|     "actris_matrix_preferred_term": "gas phase",
|     "actris_timeliness_uri": "https://vocabulary.actris.nilu.no/actris_vocab/scheduled",
|     "actris_timeliness_preferred_term": "scheduled",
|     "actris_instrument_type_uri": "https://vocabulary.actris.nilu.no/actris_vocab/chemiluminescencedetector-photolyticalconverter",
|     "actris_instrument_type_preferred_term": "chemiluminescence detector, photolytical converter",
|     "actris_framework_uri": "https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG",
|     "actris_framework_preferred_term": "ACTRIS, EMEP, GAW-WDCRG",
|     "actris_temporal_resolution": "PT1H",
|     "actris_access_restriction": false
| }
dataset /meta_nitrogen_monoxide_ug_N_per_m3_amean: string, shape (1)
	attribute long_name = "ebas metadata for different time intervals; json encoded"
	text = (text block)
| {
|     "ebas_data_license": "https://creativecommons.org/licenses/by/4.0/",
|     "ebas_revision_date": "2026-06-25T13:51:28.046758Z",
|     "ebas_version": "1",
|     "ebas_version_description": "initial revision, manually inspected",
|     "ebas_statistics": "arithmetic mean",
|     "ebas_data_level": "3a",
|     "ebas_sample_duration": "1h",
|     "ebas_orig_time_res": "5mn",
|     "ebas_station_code": "FR0030R",
|     "ebas_platform_code": "FR0030S",
|     "ebas_station_name": "Puy de Dôme",
|     "ebas_station_gaw_id": "PUY",
|     "ebas_station_gaw_name": "Puy de Dôme",
|     "ebas_station_other_ids": "FRPUY (SYLVA)",
|     "ebas_station_land_use": "Forest",
|     "ebas_station_setting": "Mountain",
|     "ebas_station_gaw_type": "G",
|     "ebas_station_wmo_region": 6,
|     "ebas_station_latitude": 45.772223,
|     "ebas_station_longitude": 2.964886,
|     "ebas_station_altitude": "1465.0 m",
|     "ebas_measurement_height": "12.0 m",
|     "ebas_regime": "IMG",
|     "ebas_component": "nitrogen_monoxide",
|     "ebas_unit": "ug N/m3",
|     "ebas_matrix": "air",
|     "ebas_laboratory_code": "FR04L",
|     "ebas_instrument_type": "chemiluminescence_photolytic",
|     "ebas_instrument_name": "PUY_chem_photo_Teledyne_T200UP-198",
|     "ebas_instrument_manufacturer": "Teledyne",
|     "ebas_instrument_model": "T200UP",
|     "ebas_instrument_serial_number": "T200UP-198",
|     "ebas_method_ref": "FR04L_Teledyne_T200UP_DE20L_NOx_corr_O3_H2O",
|     "ebas_standard_method": "None",
|     "ebas_calibration_standard_id": "Manufacturer: Linde, Batch: 1234567",
|     "ebas_inlet_type": "Hat or hood",
|     "ebas_inlet_description": "upstream from manifold, tube length=6.5m, flow rate=17l/min",
|     "ebas_inlet_tube_material": "Teflon",
|     "ebas_ozone_correction": "Corrected for reaction with O3 in the inlet",
|     "ebas_water_vapor_correction": "Corrected for water vapor quenching in CLD",
|     "ebas_humidity_temperaure_control": "Temperature conditioning at 20 deg. C",
|     "ebas_humidity_temperaure_control_description": "None",
|     "ebas_volume_std_temperature": "273.15 K",
|     "ebas_volume_std_pressure": "1013.25 hPa",
|     "ebas_detection_limit_expl": "given by instrument constructor",
|     "ebas_measurement_uncertainty_expl": "includes statistical uncertainty of individual sample and calibration uncertainty",
|     "ebas_zero_negative_values_code": "Zero possible",
|     "ebas_zero_negative_values": "Zero values may appear if the concentration is under limit of detection",
|     "ebas_organization": "FR04L, CNRS-LaMP, , , Campus des Cézeaux, 24 avenue des Landais, 63177, Aubière, France",
|     "ebas_framework_acronym": "ACTRIS, EMEP, GAW-WDCRG",
|     "ebas_framework_name": "\"European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases\", European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases",
|     "ebas_framework_description": "\"ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.\", The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.",
|     "ebas_framework_contact_name": "Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth",
|     "ebas_framework_contact_email": "clm@nilu.no, kt@nilu.no, kt@nilu.no",
|     "ebas_originator": "\"Colomb, Aurelie, , , , , , , , , \", \"Pichon, Jean-Marc, , , , , , , , , \"",
|     "ebas_submitter": "\"Pascal, Nicolas, , , , , , , , , \", \"Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany\"",
|     "ebas_acknowledgement": "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment",
|     "ebas_comment": "SOP WP4_D4.2_M12.pdf ; detection limits NO=0.050 nmol/mol; NO2=0.050 nmol/mol ; converter efficiency=95% ; Blue Light Converter ; Not corrected from baseline converted by TC from FR0030R.20231002000000.20240318160016.chemiluminescence_photolytic.NOx.air.1y.5mn.FR04L_PUY_chem_photo_Teledyne_T200UP-198.FR04L_Teledyne_T200UP_PUY.lev0.nas + FR0030R.20230101000000.20240222091931.uv_abs.ozone.air.1y.5mn.FR04L_uv_abs_Thermo_49i.FR04L_Thermo_49i_PUY.lev1.nas + FR0030R.20230101000000.20240207082924.aws..met.1y.5mn.FR04L_PUY_AWS_Vaisala_NA.FR04L_Vaisala_custom_built_PUY.lev0.nas ,precision, uncertainty, dectection limit not reported, NO offset correction -- Data converted on import into EBAS from 'nmol/mol' to 'ug N/m3' at 273.15 K, 1013.25 hPa, conversion factor 0.62492281.",
|     "actris_variable_uri": "https://vocabulary.actris.nilu.no/actris_vocab/nitricoxidemassconcentration",
|     "actris_variable_preferred_term": "nitric oxide mass concentration",
|     "actris_matrix_uri": "https://vocabulary.actris.nilu.no/actris_vocab/gasphase",
|     "actris_matrix_preferred_term": "gas phase",
|     "actris_constraints_uri": "https://vocabulary.actris.nilu.no/actris_vocab/expressedasnitrogen",
|     "actris_constraints_preferred_term": "expressed as nitrogen",
|     "actris_timeliness_uri": "https://vocabulary.actris.nilu.no/actris_vocab/scheduled",
|     "actris_timeliness_preferred_term": "scheduled",
|     "actris_instrument_type_uri": "https://vocabulary.actris.nilu.no/actris_vocab/chemiluminescencedetector-photolyticalconverter",
|     "actris_instrument_type_preferred_term": "chemiluminescence detector, photolytical converter",
|     "actris_framework_uri": "https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG",
|     "actris_framework_preferred_term": "ACTRIS, EMEP, GAW-WDCRG",
|     "actris_temporal_resolution": "PT1H",
|     "actris_access_restriction": false
| }
dataset /meta_nitrogen_monoxide_ug_N_per_m3_perc8413: string, shape (1)
	attribute long_name = "ebas metadata for different time intervals; json encoded"
	text = (text block)
| {
|     "ebas_data_license": "https://creativecommons.org/licenses/by/4.0/",
|     "ebas_revision_date": "2026-06-25T13:51:28.046758Z",
|     "ebas_version": "1",
|     "ebas_version_description": "initial revision, manually inspected",
|     "ebas_statistics": "percentile:84.13",
|     "ebas_data_level": "3a",
|     "ebas_sample_duration": "1h",
|     "ebas_orig_time_res": "5mn",
|     "ebas_station_code": "FR0030R",
|     "ebas_platform_code": "FR0030S",
|     "ebas_station_name": "Puy de Dôme",
|     "ebas_station_gaw_id": "PUY",
|     "ebas_station_gaw_name": "Puy de Dôme",
|     "ebas_station_other_ids": "FRPUY (SYLVA)",
|     "ebas_station_land_use": "Forest",
|     "ebas_station_setting": "Mountain",
|     "ebas_station_gaw_type": "G",
|     "ebas_station_wmo_region": 6,
|     "ebas_station_latitude": 45.772223,
|     "ebas_station_longitude": 2.964886,
|     "ebas_station_altitude": "1465.0 m",
|     "ebas_measurement_height": "12.0 m",
|     "ebas_regime": "IMG",
|     "ebas_component": "nitrogen_monoxide",
|     "ebas_unit": "ug N/m3",
|     "ebas_matrix": "air",
|     "ebas_laboratory_code": "FR04L",
|     "ebas_instrument_type": "chemiluminescence_photolytic",
|     "ebas_instrument_name": "PUY_chem_photo_Teledyne_T200UP-198",
|     "ebas_instrument_manufacturer": "Teledyne",
|     "ebas_instrument_model": "T200UP",
|     "ebas_instrument_serial_number": "T200UP-198",
|     "ebas_method_ref": "FR04L_Teledyne_T200UP_DE20L_NOx_corr_O3_H2O",
|     "ebas_standard_method": "None",
|     "ebas_calibration_standard_id": "Manufacturer: Linde, Batch: 1234567",
|     "ebas_inlet_type": "Hat or hood",
|     "ebas_inlet_description": "upstream from manifold, tube length=6.5m, flow rate=17l/min",
|     "ebas_inlet_tube_material": "Teflon",
|     "ebas_ozone_correction": "Corrected for reaction with O3 in the inlet",
|     "ebas_water_vapor_correction": "Corrected for water vapor quenching in CLD",
|     "ebas_humidity_temperaure_control": "Temperature conditioning at 20 deg. C",
|     "ebas_humidity_temperaure_control_description": "None",
|     "ebas_volume_std_temperature": "273.15 K",
|     "ebas_volume_std_pressure": "1013.25 hPa",
|     "ebas_detection_limit_expl": "given by instrument constructor",
|     "ebas_measurement_uncertainty_expl": "includes statistical uncertainty of individual sample and calibration uncertainty",
|     "ebas_zero_negative_values_code": "Zero possible",
|     "ebas_zero_negative_values": "Zero values may appear if the concentration is under limit of detection",
|     "ebas_organization": "FR04L, CNRS-LaMP, , , Campus des Cézeaux, 24 avenue des Landais, 63177, Aubière, France",
|     "ebas_framework_acronym": "ACTRIS, EMEP, GAW-WDCRG",
|     "ebas_framework_name": "\"European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases\", European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases",
|     "ebas_framework_description": "\"ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.\", The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.",
|     "ebas_framework_contact_name": "Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth",
|     "ebas_framework_contact_email": "clm@nilu.no, kt@nilu.no, kt@nilu.no",
|     "ebas_originator": "\"Colomb, Aurelie, , , , , , , , , \", \"Pichon, Jean-Marc, , , , , , , , , \"",
|     "ebas_submitter": "\"Pascal, Nicolas, , , , , , , , , \", \"Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany\"",
|     "ebas_acknowledgement": "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment",
|     "ebas_comment": "SOP WP4_D4.2_M12.pdf ; detection limits NO=0.050 nmol/mol; NO2=0.050 nmol/mol ; converter efficiency=95% ; Blue Light Converter ; Not corrected from baseline converted by TC from FR0030R.20231002000000.20240318160016.chemiluminescence_photolytic.NOx.air.1y.5mn.FR04L_PUY_chem_photo_Teledyne_T200UP-198.FR04L_Teledyne_T200UP_PUY.lev0.nas + FR0030R.20230101000000.20240222091931.uv_abs.ozone.air.1y.5mn.FR04L_uv_abs_Thermo_49i.FR04L_Thermo_49i_PUY.lev1.nas + FR0030R.20230101000000.20240207082924.aws..met.1y.5mn.FR04L_PUY_AWS_Vaisala_NA.FR04L_Vaisala_custom_built_PUY.lev0.nas ,precision, uncertainty, dectection limit not reported, NO offset correction -- Data converted on import into EBAS from 'nmol/mol' to 'ug N/m3' at 273.15 K, 1013.25 hPa, conversion factor 0.62492281.",
|     "actris_variable_uri": "https://vocabulary.actris.nilu.no/actris_vocab/nitricoxidemassconcentration",
|     "actris_variable_preferred_term": "nitric oxide mass concentration",
|     "actris_matrix_uri": "https://vocabulary.actris.nilu.no/actris_vocab/gasphase",
|     "actris_matrix_preferred_term": "gas phase",
|     "actris_constraints_uri": "https://vocabulary.actris.nilu.no/actris_vocab/expressedasnitrogen",
|     "actris_constraints_preferred_term": "expressed as nitrogen",
|     "actris_timeliness_uri": "https://vocabulary.actris.nilu.no/actris_vocab/scheduled",
|     "actris_timeliness_preferred_term": "scheduled",
|     "actris_instrument_type_uri": "https://vocabulary.actris.nilu.no/actris_vocab/chemiluminescencedetector-photolyticalconverter",
|     "actris_instrument_type_preferred_term": "chemiluminescence detector, photolytical converter",
|     "actris_framework_uri": "https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG",
|     "actris_framework_preferred_term": "ACTRIS, EMEP, GAW-WDCRG",
|     "actris_temporal_resolution": "PT1H",
|     "actris_access_restriction": false
| }
dataset /meta_nitrogen_monoxide_ug_N_per_m3_prec1587: string, shape (1)
	attribute long_name = "ebas metadata for different time intervals; json encoded"
	text = (text block)
| {
|     "ebas_data_license": "https://creativecommons.org/licenses/by/4.0/",
|     "ebas_revision_date": "2026-06-25T13:51:28.046758Z",
|     "ebas_version": "1",
|     "ebas_version_description": "initial revision, manually inspected",
|     "ebas_statistics": "percentile:15.87",
|     "ebas_data_level": "3a",
|     "ebas_sample_duration": "1h",
|     "ebas_orig_time_res": "5mn",
|     "ebas_station_code": "FR0030R",
|     "ebas_platform_code": "FR0030S",
|     "ebas_station_name": "Puy de Dôme",
|     "ebas_station_gaw_id": "PUY",
|     "ebas_station_gaw_name": "Puy de Dôme",
|     "ebas_station_other_ids": "FRPUY (SYLVA)",
|     "ebas_station_land_use": "Forest",
|     "ebas_station_setting": "Mountain",
|     "ebas_station_gaw_type": "G",
|     "ebas_station_wmo_region": 6,
|     "ebas_station_latitude": 45.772223,
|     "ebas_station_longitude": 2.964886,
|     "ebas_station_altitude": "1465.0 m",
|     "ebas_measurement_height": "12.0 m",
|     "ebas_regime": "IMG",
|     "ebas_component": "nitrogen_monoxide",
|     "ebas_unit": "ug N/m3",
|     "ebas_matrix": "air",
|     "ebas_laboratory_code": "FR04L",
|     "ebas_instrument_type": "chemiluminescence_photolytic",
|     "ebas_instrument_name": "PUY_chem_photo_Teledyne_T200UP-198",
|     "ebas_instrument_manufacturer": "Teledyne",
|     "ebas_instrument_model": "T200UP",
|     "ebas_instrument_serial_number": "T200UP-198",
|     "ebas_method_ref": "FR04L_Teledyne_T200UP_DE20L_NOx_corr_O3_H2O",
|     "ebas_standard_method": "None",
|     "ebas_calibration_standard_id": "Manufacturer: Linde, Batch: 1234567",
|     "ebas_inlet_type": "Hat or hood",
|     "ebas_inlet_description": "upstream from manifold, tube length=6.5m, flow rate=17l/min",
|     "ebas_inlet_tube_material": "Teflon",
|     "ebas_ozone_correction": "Corrected for reaction with O3 in the inlet",
|     "ebas_water_vapor_correction": "Corrected for water vapor quenching in CLD",
|     "ebas_humidity_temperaure_control": "Temperature conditioning at 20 deg. C",
|     "ebas_humidity_temperaure_control_description": "None",
|     "ebas_volume_std_temperature": "273.15 K",
|     "ebas_volume_std_pressure": "1013.25 hPa",
|     "ebas_detection_limit_expl": "given by instrument constructor",
|     "ebas_measurement_uncertainty_expl": "includes statistical uncertainty of individual sample and calibration uncertainty",
|     "ebas_zero_negative_values_code": "Zero possible",
|     "ebas_zero_negative_values": "Zero values may appear if the concentration is under limit of detection",
|     "ebas_organization": "FR04L, CNRS-LaMP, , , Campus des Cézeaux, 24 avenue des Landais, 63177, Aubière, France",
|     "ebas_framework_acronym": "ACTRIS, EMEP, GAW-WDCRG",
|     "ebas_framework_name": "\"European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases\", European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases",
|     "ebas_framework_description": "\"ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.\", The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.",
|     "ebas_framework_contact_name": "Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth",
|     "ebas_framework_contact_email": "clm@nilu.no, kt@nilu.no, kt@nilu.no",
|     "ebas_originator": "\"Colomb, Aurelie, , , , , , , , , \", \"Pichon, Jean-Marc, , , , , , , , , \"",
|     "ebas_submitter": "\"Pascal, Nicolas, , , , , , , , , \", \"Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany\"",
|     "ebas_acknowledgement": "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment",
|     "ebas_comment": "SOP WP4_D4.2_M12.pdf ; detection limits NO=0.050 nmol/mol; NO2=0.050 nmol/mol ; converter efficiency=95% ; Blue Light Converter ; Not corrected from baseline converted by TC from FR0030R.20231002000000.20240318160016.chemiluminescence_photolytic.NOx.air.1y.5mn.FR04L_PUY_chem_photo_Teledyne_T200UP-198.FR04L_Teledyne_T200UP_PUY.lev0.nas + FR0030R.20230101000000.20240222091931.uv_abs.ozone.air.1y.5mn.FR04L_uv_abs_Thermo_49i.FR04L_Thermo_49i_PUY.lev1.nas + FR0030R.20230101000000.20240207082924.aws..met.1y.5mn.FR04L_PUY_AWS_Vaisala_NA.FR04L_Vaisala_custom_built_PUY.lev0.nas ,precision, uncertainty, dectection limit not reported, NO offset correction -- Data converted on import into EBAS from 'nmol/mol' to 'ug N/m3' at 273.15 K, 1013.25 hPa, conversion factor 0.62492281.",
|     "actris_variable_uri": "https://vocabulary.actris.nilu.no/actris_vocab/nitricoxidemassconcentration",
|     "actris_variable_preferred_term": "nitric oxide mass concentration",
|     "actris_matrix_uri": "https://vocabulary.actris.nilu.no/actris_vocab/gasphase",
|     "actris_matrix_preferred_term": "gas phase",
|     "actris_constraints_uri": "https://vocabulary.actris.nilu.no/actris_vocab/expressedasnitrogen",
|     "actris_constraints_preferred_term": "expressed as nitrogen",
|     "actris_timeliness_uri": "https://vocabulary.actris.nilu.no/actris_vocab/scheduled",
|     "actris_timeliness_preferred_term": "scheduled",
|     "actris_instrument_type_uri": "https://vocabulary.actris.nilu.no/actris_vocab/chemiluminescencedetector-photolyticalconverter",
|     "actris_instrument_type_preferred_term": "chemiluminescence detector, photolytical converter",
|     "actris_framework_uri": "https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG",
|     "actris_framework_preferred_term": "ACTRIS, EMEP, GAW-WDCRG",
|     "actris_temporal_resolution": "PT1H",
|     "actris_access_restriction": false
| }
dataset /meta_nitrogen_monoxide_ug_N_per_m3_stddev: string, shape (1)
	attribute long_name = "ebas metadata for different time intervals; json encoded"
	text = (text block)
| {
|     "ebas_data_license": "https://creativecommons.org/licenses/by/4.0/",
|     "ebas_revision_date": "2026-06-25T13:51:28.046758Z",
|     "ebas_version": "1",
|     "ebas_version_description": "initial revision, manually inspected",
|     "ebas_statistics": "stddev",
|     "ebas_data_level": "3a",
|     "ebas_sample_duration": "1h",
|     "ebas_orig_time_res": "5mn",
|     "ebas_station_code": "FR0030R",
|     "ebas_platform_code": "FR0030S",
|     "ebas_station_name": "Puy de Dôme",
|     "ebas_station_gaw_id": "PUY",
|     "ebas_station_gaw_name": "Puy de Dôme",
|     "ebas_station_other_ids": "FRPUY (SYLVA)",
|     "ebas_station_land_use": "Forest",
|     "ebas_station_setting": "Mountain",
|     "ebas_station_gaw_type": "G",
|     "ebas_station_wmo_region": 6,
|     "ebas_station_latitude": 45.772223,
|     "ebas_station_longitude": 2.964886,
|     "ebas_station_altitude": "1465.0 m",
|     "ebas_measurement_height": "12.0 m",
|     "ebas_regime": "IMG",
|     "ebas_component": "nitrogen_monoxide",
|     "ebas_unit": "ug N/m3",
|     "ebas_matrix": "air",
|     "ebas_laboratory_code": "FR04L",
|     "ebas_instrument_type": "chemiluminescence_photolytic",
|     "ebas_instrument_name": "PUY_chem_photo_Teledyne_T200UP-198",
|     "ebas_instrument_manufacturer": "Teledyne",
|     "ebas_instrument_model": "T200UP",
|     "ebas_instrument_serial_number": "T200UP-198",
|     "ebas_method_ref": "FR04L_Teledyne_T200UP_DE20L_NOx_corr_O3_H2O",
|     "ebas_standard_method": "None",
|     "ebas_calibration_standard_id": "Manufacturer: Linde, Batch: 1234567",
|     "ebas_inlet_type": "Hat or hood",
|     "ebas_inlet_description": "upstream from manifold, tube length=6.5m, flow rate=17l/min",
|     "ebas_inlet_tube_material": "Teflon",
|     "ebas_ozone_correction": "Corrected for reaction with O3 in the inlet",
|     "ebas_water_vapor_correction": "Corrected for water vapor quenching in CLD",
|     "ebas_humidity_temperaure_control": "Temperature conditioning at 20 deg. C",
|     "ebas_humidity_temperaure_control_description": "None",
|     "ebas_volume_std_temperature": "273.15 K",
|     "ebas_volume_std_pressure": "1013.25 hPa",
|     "ebas_detection_limit_expl": "given by instrument constructor",
|     "ebas_measurement_uncertainty_expl": "includes statistical uncertainty of individual sample and calibration uncertainty",
|     "ebas_zero_negative_values_code": "Zero possible",
|     "ebas_zero_negative_values": "Zero values may appear if the concentration is under limit of detection",
|     "ebas_organization": "FR04L, CNRS-LaMP, , , Campus des Cézeaux, 24 avenue des Landais, 63177, Aubière, France",
|     "ebas_framework_acronym": "ACTRIS, EMEP, GAW-WDCRG",
|     "ebas_framework_name": "\"European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases\", European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases",
|     "ebas_framework_description": "\"ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.\", The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.",
|     "ebas_framework_contact_name": "Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth",
|     "ebas_framework_contact_email": "clm@nilu.no, kt@nilu.no, kt@nilu.no",
|     "ebas_originator": "\"Colomb, Aurelie, , , , , , , , , \", \"Pichon, Jean-Marc, , , , , , , , , \"",
|     "ebas_submitter": "\"Pascal, Nicolas, , , , , , , , , \", \"Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany\"",
|     "ebas_acknowledgement": "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment",
|     "ebas_comment": "SOP WP4_D4.2_M12.pdf ; detection limits NO=0.050 nmol/mol; NO2=0.050 nmol/mol ; converter efficiency=95% ; Blue Light Converter ; Not corrected from baseline converted by TC from FR0030R.20231002000000.20240318160016.chemiluminescence_photolytic.NOx.air.1y.5mn.FR04L_PUY_chem_photo_Teledyne_T200UP-198.FR04L_Teledyne_T200UP_PUY.lev0.nas + FR0030R.20230101000000.20240222091931.uv_abs.ozone.air.1y.5mn.FR04L_uv_abs_Thermo_49i.FR04L_Thermo_49i_PUY.lev1.nas + FR0030R.20230101000000.20240207082924.aws..met.1y.5mn.FR04L_PUY_AWS_Vaisala_NA.FR04L_Vaisala_custom_built_PUY.lev0.nas ,precision, uncertainty, dectection limit not reported, NO offset correction -- Data converted on import into EBAS from 'nmol/mol' to 'ug N/m3' at 273.15 K, 1013.25 hPa, conversion factor 0.62492281.",
|     "actris_variable_uri": "https://vocabulary.actris.nilu.no/actris_vocab/nitricoxidemassconcentration",
|     "actris_variable_preferred_term": "nitric oxide mass concentration",
|     "actris_matrix_uri": "https://vocabulary.actris.nilu.no/actris_vocab/gasphase",
|     "actris_matrix_preferred_term": "gas phase",
|     "actris_constraints_uri": "https://vocabulary.actris.nilu.no/actris_vocab/expressedasnitrogen",
|     "actris_constraints_preferred_term": "expressed as nitrogen",
|     "actris_timeliness_uri": "https://vocabulary.actris.nilu.no/actris_vocab/scheduled",
|     "actris_timeliness_preferred_term": "scheduled",
|     "actris_instrument_type_uri": "https://vocabulary.actris.nilu.no/actris_vocab/chemiluminescencedetector-photolyticalconverter",
|     "actris_instrument_type_preferred_term": "chemiluminescence detector, photolytical converter",
|     "actris_framework_uri": "https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG",
|     "actris_framework_preferred_term": "ACTRIS, EMEP, GAW-WDCRG",
|     "actris_temporal_resolution": "PT1H",
|     "actris_access_restriction": false
| }
dataset /metadata_time: float64, shape (1)
	attribute axis = "T"
	attribute bounds = "metadata_time_bnds"
	attribute calendar = "standard"
	attribute long_name = "time of ebas metadata intervals"
	attribute standard_name = "time"
	attribute units = "days since 1900-01-01T00:00:00Z"
// metadata_time: first 45244.5, last 45244.5, count 1
dataset /metadata_time_bnds: float64, shape (1, 2)
	attribute long_name = "time bounds for ebas metadata intervals"
dataset /qc_NOx_nmol_per_mol_amean: int32, shape (1, 2184)
	attribute _FillValue = 0
	attribute missing_value = 0
	attribute standard_name = "status_flag"
	attribute units = "1"
dataset /qc_NOx_nmol_per_mol_amean_flags: float32, shape (1)
dataset /qc_NOx_nmol_per_mol_perc8413: int32, shape (1, 2184)
	attribute _FillValue = 0
	attribute missing_value = 0
	attribute standard_name = "status_flag"
	attribute units = "1"
dataset /qc_NOx_nmol_per_mol_perc8413_flags: float32, shape (1)
dataset /qc_NOx_nmol_per_mol_prec1587: int32, shape (1, 2184)
	attribute _FillValue = 0
	attribute missing_value = 0
	attribute standard_name = "status_flag"
	attribute units = "1"
dataset /qc_NOx_nmol_per_mol_prec1587_flags: float32, shape (1)
dataset /qc_NOx_nmol_per_mol_stddev: int32, shape (1, 2184)
	attribute _FillValue = 0
	attribute missing_value = 0
	attribute standard_name = "status_flag"
	attribute units = "1"
dataset /qc_NOx_nmol_per_mol_stddev_flags: float32, shape (1)
dataset /qc_NOx_ug_N_per_m3_amean: int32, shape (1, 2184)
	attribute _FillValue = 0
	attribute missing_value = 0
	attribute standard_name = "status_flag"
	attribute units = "1"
dataset /qc_NOx_ug_N_per_m3_amean_flags: float32, shape (1)
dataset /qc_NOx_ug_N_per_m3_perc8413: int32, shape (1, 2184)
	attribute _FillValue = 0
	attribute missing_value = 0
	attribute standard_name = "status_flag"
	attribute units = "1"
dataset /qc_NOx_ug_N_per_m3_perc8413_flags: float32, shape (1)
dataset /qc_NOx_ug_N_per_m3_prec1587: int32, shape (1, 2184)
	attribute _FillValue = 0
	attribute missing_value = 0
	attribute standard_name = "status_flag"
	attribute units = "1"
dataset /qc_NOx_ug_N_per_m3_prec1587_flags: float32, shape (1)
dataset /qc_NOx_ug_N_per_m3_stddev: int32, shape (1, 2184)
	attribute _FillValue = 0
	attribute missing_value = 0
	attribute standard_name = "status_flag"
	attribute units = "1"
dataset /qc_NOx_ug_N_per_m3_stddev_flags: float32, shape (1)
dataset /qc_nitrogen_dioxide_nmol_per_mol_amean: int32, shape (1, 2184)
	attribute _FillValue = 0
	attribute missing_value = 0
	attribute standard_name = "status_flag"
	attribute units = "1"
dataset /qc_nitrogen_dioxide_nmol_per_mol_amean_flags: float32, shape (1)
dataset /qc_nitrogen_dioxide_nmol_per_mol_perc8413: int32, shape (1, 2184)
	attribute _FillValue = 0
	attribute missing_value = 0
	attribute standard_name = "status_flag"
	attribute units = "1"
dataset /qc_nitrogen_dioxide_nmol_per_mol_perc8413_flags: float32, shape (1)
dataset /qc_nitrogen_dioxide_nmol_per_mol_prec1587: int32, shape (1, 2184)
	attribute _FillValue = 0
	attribute missing_value = 0
	attribute standard_name = "status_flag"
	attribute units = "1"
dataset /qc_nitrogen_dioxide_nmol_per_mol_prec1587_flags: float32, shape (1)
dataset /qc_nitrogen_dioxide_nmol_per_mol_stddev: int32, shape (1, 2184)
	attribute _FillValue = 0
	attribute missing_value = 0
	attribute standard_name = "status_flag"
	attribute units = "1"
dataset /qc_nitrogen_dioxide_nmol_per_mol_stddev_flags: float32, shape (1)
dataset /qc_nitrogen_dioxide_ug_N_per_m3_amean: int32, shape (1, 2184)
	attribute _FillValue = 0
	attribute missing_value = 0
	attribute standard_name = "status_flag"
	attribute units = "1"
dataset /qc_nitrogen_dioxide_ug_N_per_m3_amean_flags: float32, shape (1)
dataset /qc_nitrogen_dioxide_ug_N_per_m3_perc8413: int32, shape (1, 2184)
	attribute _FillValue = 0
	attribute missing_value = 0
	attribute standard_name = "status_flag"
	attribute units = "1"
dataset /qc_nitrogen_dioxide_ug_N_per_m3_perc8413_flags: float32, shape (1)
dataset /qc_nitrogen_dioxide_ug_N_per_m3_prec1587: int32, shape (1, 2184)
	attribute _FillValue = 0
	attribute missing_value = 0
	attribute standard_name = "status_flag"
	attribute units = "1"
dataset /qc_nitrogen_dioxide_ug_N_per_m3_prec1587_flags: float32, shape (1)
dataset /qc_nitrogen_dioxide_ug_N_per_m3_stddev: int32, shape (1, 2184)
	attribute _FillValue = 0
	attribute missing_value = 0
	attribute standard_name = "status_flag"
	attribute units = "1"
dataset /qc_nitrogen_dioxide_ug_N_per_m3_stddev_flags: float32, shape (1)
dataset /qc_nitrogen_monoxide_nmol_per_mol_amean: int32, shape (1, 2184)
	attribute _FillValue = 0
	attribute missing_value = 0
	attribute standard_name = "status_flag"
	attribute units = "1"
dataset /qc_nitrogen_monoxide_nmol_per_mol_amean_flags: float32, shape (1)
dataset /qc_nitrogen_monoxide_nmol_per_mol_perc8413: int32, shape (1, 2184)
	attribute _FillValue = 0
	attribute missing_value = 0
	attribute standard_name = "status_flag"
	attribute units = "1"
dataset /qc_nitrogen_monoxide_nmol_per_mol_perc8413_flags: float32, shape (1)
dataset /qc_nitrogen_monoxide_nmol_per_mol_prec1587: int32, shape (1, 2184)
	attribute _FillValue = 0
	attribute missing_value = 0
	attribute standard_name = "status_flag"
	attribute units = "1"
dataset /qc_nitrogen_monoxide_nmol_per_mol_prec1587_flags: float32, shape (1)
dataset /qc_nitrogen_monoxide_nmol_per_mol_stddev: int32, shape (1, 2184)
	attribute _FillValue = 0
	attribute missing_value = 0
	attribute standard_name = "status_flag"
	attribute units = "1"
dataset /qc_nitrogen_monoxide_nmol_per_mol_stddev_flags: float32, shape (1)
dataset /qc_nitrogen_monoxide_ug_N_per_m3_amean: int32, shape (1, 2184)
	attribute _FillValue = 0
	attribute missing_value = 0
	attribute standard_name = "status_flag"
	attribute units = "1"
dataset /qc_nitrogen_monoxide_ug_N_per_m3_amean_flags: float32, shape (1)
dataset /qc_nitrogen_monoxide_ug_N_per_m3_perc8413: int32, shape (1, 2184)
	attribute _FillValue = 0
	attribute missing_value = 0
	attribute standard_name = "status_flag"
	attribute units = "1"
dataset /qc_nitrogen_monoxide_ug_N_per_m3_perc8413_flags: float32, shape (1)
dataset /qc_nitrogen_monoxide_ug_N_per_m3_prec1587: int32, shape (1, 2184)
	attribute _FillValue = 0
	attribute missing_value = 0
	attribute standard_name = "status_flag"
	attribute units = "1"
dataset /qc_nitrogen_monoxide_ug_N_per_m3_prec1587_flags: float32, shape (1)
dataset /qc_nitrogen_monoxide_ug_N_per_m3_stddev: int32, shape (1, 2184)
	attribute _FillValue = 0
	attribute missing_value = 0
	attribute standard_name = "status_flag"
	attribute units = "1"
dataset /qc_nitrogen_monoxide_ug_N_per_m3_stddev_flags: float32, shape (1)
dataset /tbnds: float32, shape (2)
dataset /time: float64, shape (2184)
	attribute axis = "T"
	attribute bounds = "time_bnds"
	attribute calendar = "standard"
	attribute long_name = "time of measurement"
	attribute standard_name = "time"
	attribute units = "days since 1900-01-01T00:00:00Z"
// time: first 45199.020833333336, last 45289.979166666664, count 2184
dataset /time_bnds: float64, shape (2184, 2)
	attribute long_name = "time bounds for measurement"
dataset /v_NOx_nmol_per_mol_amean: float64, shape (2184)
	attribute _FillValue = nan
	attribute actris_access_restriction = 0
	attribute actris_framework_preferred_term = "ACTRIS, EMEP, GAW-WDCRG"
	attribute actris_framework_uri = "https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG"
	attribute actris_instrument_type_preferred_term = "chemiluminescence detector, photolytical converter"
	attribute actris_instrument_type_uri = "https://vocabulary.actris.nilu.no/actris_vocab/chemiluminescencedetector-photolyticalconverter"
	attribute actris_matrix_preferred_term = "gas phase"
	attribute actris_matrix_uri = "https://vocabulary.actris.nilu.no/actris_vocab/gasphase"
	attribute actris_temporal_resolution = "PT1H"
	attribute actris_timeliness_preferred_term = "scheduled"
	attribute actris_timeliness_uri = "https://vocabulary.actris.nilu.no/actris_vocab/scheduled"
	attribute actris_variable_preferred_term = "nitrogen oxides amount fraction"
	attribute actris_variable_uri = "https://vocabulary.actris.nilu.no/actris_vocab/nitrogenoxidesamountfraction"
	attribute ancillary_variables = "qc_NOx_nmol_per_mol_amean meta_NOx_nmol_per_mol_amean"
	attribute cell_methods = "time: mean"
	attribute ebas_acknowledgement = "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment"
	attribute ebas_calibration_standard_id = "Manufacturer: Linde, Batch: 1234567"
	attribute ebas_comment = "SOP WP4_D4.2_M12.pdf ; detection limits NO=0.050 nmol/mol; NO2=0.050 nmol/mol ; converter efficiency=95% ; Blue Light Converter ; Not corrected from baseline converted by TC from FR0030R.20231002000000.20240318160016.chemiluminescence_photolytic.NOx.air.1y.5mn.FR04L_PUY_chem_photo_Teledyne_T200UP-198.FR04L_Teledyne_T200UP_PUY.lev0.nas + FR0030R.20230101000000.20240222091931.uv_abs.ozone.air.1y.5mn.FR04L_uv_abs_Thermo_49i.FR04L_Thermo_49i_PUY.lev1.nas + FR0030R.20230101000000.20240207082924.aws..met.1y.5mn.FR04L_PUY_AWS_Vaisala_NA.FR04L_Vaisala_custom_built_PUY.lev0.nas ,precision, uncertainty, dectection limit not reported, NO offset correction -- Data converted on import into EBAS from 'nmol/mol' to 'ug N/m3' at 273.15 K, 1013.25 hPa, conversion factor 0.62492281. -- Data converted on export from EBAS from 'ug N/m3' at 273.15 K, 1013.25 hPa to 'nmol/mol', conversion factor 1.6001976."
	attribute ebas_component = "NOx"
	attribute ebas_data_level = "3a"
	attribute ebas_data_license = "https://creativecommons.org/licenses/by/4.0/"
	attribute ebas_detection_limit_expl = "given by instrument constructor"
	attribute ebas_framework_acronym = "ACTRIS, EMEP, GAW-WDCRG"
	attribute ebas_framework_contact_email = "clm@nilu.no, kt@nilu.no, kt@nilu.no"
	attribute ebas_framework_contact_name = "Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth"
	attribute ebas_framework_description = "\"ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.\", The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme."
	attribute ebas_framework_name = "\"European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases\", European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases"
	attribute ebas_humidity_temperaure_control = "Temperature conditioning at 20 deg. C"
	attribute ebas_humidity_temperaure_control_description = "None"
	attribute ebas_inlet_description = "upstream from manifold, tube length=6.5m, flow rate=17l/min"
	attribute ebas_inlet_tube_material = "Teflon"
	attribute ebas_inlet_type = "Hat or hood"
	attribute ebas_instrument_manufacturer = "Teledyne"
	attribute ebas_instrument_model = "T200UP"
	attribute ebas_instrument_name = "PUY_chem_photo_Teledyne_T200UP-198"
	attribute ebas_instrument_serial_number = "T200UP-198"
	attribute ebas_instrument_type = "chemiluminescence_photolytic"
	attribute ebas_laboratory_code = "FR04L"
	attribute ebas_matrix = "air"
	attribute ebas_measurement_height = "12.0 m"
	attribute ebas_measurement_uncertainty_expl = "includes statistical uncertainty of individual sample and calibration uncertainty"
	attribute ebas_method_ref = "FR04L_Teledyne_T200UP_DE20L_NOx_corr_O3_H2O"
	attribute ebas_organization = "FR04L, CNRS-LaMP, , , Campus des Cézeaux, 24 avenue des Landais, 63177, Aubière, France"
	attribute ebas_orig_time_res = "5mn"
	attribute ebas_originator = "\"Colomb, Aurelie, , , , , , , , , \", \"Pichon, Jean-Marc, , , , , , , , , \""
	attribute ebas_ozone_correction = "Corrected for reaction with O3 in the inlet"
	attribute ebas_platform_code = "FR0030S"
	attribute ebas_regime = "IMG"
	attribute ebas_revision_date = "2026-06-25T13:51:28.046758Z"
	attribute ebas_sample_duration = "1h"
	attribute ebas_standard_method = "None"
	attribute ebas_station_altitude = "1465.0 m"
	attribute ebas_station_code = "FR0030R"
	attribute ebas_station_gaw_id = "PUY"
	attribute ebas_station_gaw_name = "Puy de Dôme"
	attribute ebas_station_gaw_type = "G"
	attribute ebas_station_land_use = "Forest"
	attribute ebas_station_latitude = 45.772223
	attribute ebas_station_longitude = 2.964886
	attribute ebas_station_name = "Puy de Dôme"
	attribute ebas_station_other_ids = "FRPUY (SYLVA)"
	attribute ebas_station_setting = "Mountain"
	attribute ebas_station_wmo_region = 6
	attribute ebas_statistics = "arithmetic mean"
	attribute ebas_submitter = "\"Pascal, Nicolas, , , , , , , , , \", \"Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany\""
	attribute ebas_unit = "nmol/mol"
	attribute ebas_version = "1"
	attribute ebas_version_description = "initial revision, manually inspected"
	attribute ebas_water_vapor_correction = "Corrected for water vapor quenching in CLD"
	attribute ebas_zero_negative_values = "Zero values may appear if the concentration is under limit of detection"
	attribute ebas_zero_negative_values_code = "Zero possible"
	attribute missing_value = nan
	attribute standard_name = "mole_fraction_of_nox_in_air"
	attribute units = "nmol/mol"
dataset /v_NOx_nmol_per_mol_perc8413: float64, shape (2184)
	attribute _FillValue = nan
	attribute actris_access_restriction = 0
	attribute actris_framework_preferred_term = "ACTRIS, EMEP, GAW-WDCRG"
	attribute actris_framework_uri = "https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG"
	attribute actris_instrument_type_preferred_term = "chemiluminescence detector, photolytical converter"
	attribute actris_instrument_type_uri = "https://vocabulary.actris.nilu.no/actris_vocab/chemiluminescencedetector-photolyticalconverter"
	attribute actris_matrix_preferred_term = "gas phase"
	attribute actris_matrix_uri = "https://vocabulary.actris.nilu.no/actris_vocab/gasphase"
	attribute actris_temporal_resolution = "PT1H"
	attribute actris_timeliness_preferred_term = "scheduled"
	attribute actris_timeliness_uri = "https://vocabulary.actris.nilu.no/actris_vocab/scheduled"
	attribute actris_variable_preferred_term = "nitrogen oxides amount fraction"
	attribute actris_variable_uri = "https://vocabulary.actris.nilu.no/actris_vocab/nitrogenoxidesamountfraction"
	attribute ancillary_variables = "qc_NOx_nmol_per_mol_perc8413 meta_NOx_nmol_per_mol_perc8413"
	attribute cell_methods = "time: percentile:84.13"
	attribute ebas_acknowledgement = "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment"
	attribute ebas_calibration_standard_id = "Manufacturer: Linde, Batch: 1234567"
	attribute ebas_comment = "SOP WP4_D4.2_M12.pdf ; detection limits NO=0.050 nmol/mol; NO2=0.050 nmol/mol ; converter efficiency=95% ; Blue Light Converter ; Not corrected from baseline converted by TC from FR0030R.20231002000000.20240318160016.chemiluminescence_photolytic.NOx.air.1y.5mn.FR04L_PUY_chem_photo_Teledyne_T200UP-198.FR04L_Teledyne_T200UP_PUY.lev0.nas + FR0030R.20230101000000.20240222091931.uv_abs.ozone.air.1y.5mn.FR04L_uv_abs_Thermo_49i.FR04L_Thermo_49i_PUY.lev1.nas + FR0030R.20230101000000.20240207082924.aws..met.1y.5mn.FR04L_PUY_AWS_Vaisala_NA.FR04L_Vaisala_custom_built_PUY.lev0.nas ,precision, uncertainty, dectection limit not reported, NO offset correction -- Data converted on import into EBAS from 'nmol/mol' to 'ug N/m3' at 273.15 K, 1013.25 hPa, conversion factor 0.62492281. -- Data converted on export from EBAS from 'ug N/m3' at 273.15 K, 1013.25 hPa to 'nmol/mol', conversion factor 1.6001976."
	attribute ebas_component = "NOx"
	attribute ebas_data_level = "3a"
	attribute ebas_data_license = "https://creativecommons.org/licenses/by/4.0/"
	attribute ebas_detection_limit_expl = "given by instrument constructor"
	attribute ebas_framework_acronym = "ACTRIS, EMEP, GAW-WDCRG"
	attribute ebas_framework_contact_email = "clm@nilu.no, kt@nilu.no, kt@nilu.no"
	attribute ebas_framework_contact_name = "Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth"
	attribute ebas_framework_description = "\"ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.\", The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme."
	attribute ebas_framework_name = "\"European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases\", European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases"
	attribute ebas_humidity_temperaure_control = "Temperature conditioning at 20 deg. C"
	attribute ebas_humidity_temperaure_control_description = "None"
	attribute ebas_inlet_description = "upstream from manifold, tube length=6.5m, flow rate=17l/min"
	attribute ebas_inlet_tube_material = "Teflon"
	attribute ebas_inlet_type = "Hat or hood"
	attribute ebas_instrument_manufacturer = "Teledyne"
	attribute ebas_instrument_model = "T200UP"
	attribute ebas_instrument_name = "PUY_chem_photo_Teledyne_T200UP-198"
	attribute ebas_instrument_serial_number = "T200UP-198"
	attribute ebas_instrument_type = "chemiluminescence_photolytic"
	attribute ebas_laboratory_code = "FR04L"
	attribute ebas_matrix = "air"
	attribute ebas_measurement_height = "12.0 m"
	attribute ebas_measurement_uncertainty_expl = "includes statistical uncertainty of individual sample and calibration uncertainty"
	attribute ebas_method_ref = "FR04L_Teledyne_T200UP_DE20L_NOx_corr_O3_H2O"
	attribute ebas_organization = "FR04L, CNRS-LaMP, , , Campus des Cézeaux, 24 avenue des Landais, 63177, Aubière, France"
	attribute ebas_orig_time_res = "5mn"
	attribute ebas_originator = "\"Colomb, Aurelie, , , , , , , , , \", \"Pichon, Jean-Marc, , , , , , , , , \""
	attribute ebas_ozone_correction = "Corrected for reaction with O3 in the inlet"
	attribute ebas_platform_code = "FR0030S"
	attribute ebas_regime = "IMG"
	attribute ebas_revision_date = "2026-06-25T13:51:28.046758Z"
	attribute ebas_sample_duration = "1h"
	attribute ebas_standard_method = "None"
	attribute ebas_station_altitude = "1465.0 m"
	attribute ebas_station_code = "FR0030R"
	attribute ebas_station_gaw_id = "PUY"
	attribute ebas_station_gaw_name = "Puy de Dôme"
	attribute ebas_station_gaw_type = "G"
	attribute ebas_station_land_use = "Forest"
	attribute ebas_station_latitude = 45.772223
	attribute ebas_station_longitude = 2.964886
	attribute ebas_station_name = "Puy de Dôme"
	attribute ebas_station_other_ids = "FRPUY (SYLVA)"
	attribute ebas_station_setting = "Mountain"
	attribute ebas_station_wmo_region = 6
	attribute ebas_statistics = "percentile:84.13"
	attribute ebas_submitter = "\"Pascal, Nicolas, , , , , , , , , \", \"Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany\""
	attribute ebas_unit = "nmol/mol"
	attribute ebas_version = "1"
	attribute ebas_version_description = "initial revision, manually inspected"
	attribute ebas_water_vapor_correction = "Corrected for water vapor quenching in CLD"
	attribute ebas_zero_negative_values = "Zero values may appear if the concentration is under limit of detection"
	attribute ebas_zero_negative_values_code = "Zero possible"
	attribute missing_value = nan
	attribute standard_name = "mole_fraction_of_nox_in_air"
	attribute units = "nmol/mol"
dataset /v_NOx_nmol_per_mol_prec1587: float64, shape (2184)
	attribute _FillValue = nan
	attribute actris_access_restriction = 0
	attribute actris_framework_preferred_term = "ACTRIS, EMEP, GAW-WDCRG"
	attribute actris_framework_uri = "https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG"
	attribute actris_instrument_type_preferred_term = "chemiluminescence detector, photolytical converter"
	attribute actris_instrument_type_uri = "https://vocabulary.actris.nilu.no/actris_vocab/chemiluminescencedetector-photolyticalconverter"
	attribute actris_matrix_preferred_term = "gas phase"
	attribute actris_matrix_uri = "https://vocabulary.actris.nilu.no/actris_vocab/gasphase"
	attribute actris_temporal_resolution = "PT1H"
	attribute actris_timeliness_preferred_term = "scheduled"
	attribute actris_timeliness_uri = "https://vocabulary.actris.nilu.no/actris_vocab/scheduled"
	attribute actris_variable_preferred_term = "nitrogen oxides amount fraction"
	attribute actris_variable_uri = "https://vocabulary.actris.nilu.no/actris_vocab/nitrogenoxidesamountfraction"
	attribute ancillary_variables = "qc_NOx_nmol_per_mol_prec1587 meta_NOx_nmol_per_mol_prec1587"
	attribute cell_methods = "time: percentile:15.87"
	attribute ebas_acknowledgement = "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment"
	attribute ebas_calibration_standard_id = "Manufacturer: Linde, Batch: 1234567"
	attribute ebas_comment = "SOP WP4_D4.2_M12.pdf ; detection limits NO=0.050 nmol/mol; NO2=0.050 nmol/mol ; converter efficiency=95% ; Blue Light Converter ; Not corrected from baseline converted by TC from FR0030R.20231002000000.20240318160016.chemiluminescence_photolytic.NOx.air.1y.5mn.FR04L_PUY_chem_photo_Teledyne_T200UP-198.FR04L_Teledyne_T200UP_PUY.lev0.nas + FR0030R.20230101000000.20240222091931.uv_abs.ozone.air.1y.5mn.FR04L_uv_abs_Thermo_49i.FR04L_Thermo_49i_PUY.lev1.nas + FR0030R.20230101000000.20240207082924.aws..met.1y.5mn.FR04L_PUY_AWS_Vaisala_NA.FR04L_Vaisala_custom_built_PUY.lev0.nas ,precision, uncertainty, dectection limit not reported, NO offset correction -- Data converted on import into EBAS from 'nmol/mol' to 'ug N/m3' at 273.15 K, 1013.25 hPa, conversion factor 0.62492281. -- Data converted on export from EBAS from 'ug N/m3' at 273.15 K, 1013.25 hPa to 'nmol/mol', conversion factor 1.6001976."
	attribute ebas_component = "NOx"
	attribute ebas_data_level = "3a"
	attribute ebas_data_license = "https://creativecommons.org/licenses/by/4.0/"
	attribute ebas_detection_limit_expl = "given by instrument constructor"
	attribute ebas_framework_acronym = "ACTRIS, EMEP, GAW-WDCRG"
	attribute ebas_framework_contact_email = "clm@nilu.no, kt@nilu.no, kt@nilu.no"
	attribute ebas_framework_contact_name = "Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth"
	attribute ebas_framework_description = "\"ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.\", The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme."
	attribute ebas_framework_name = "\"European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases\", European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases"
	attribute ebas_humidity_temperaure_control = "Temperature conditioning at 20 deg. C"
	attribute ebas_humidity_temperaure_control_description = "None"
	attribute ebas_inlet_description = "upstream from manifold, tube length=6.5m, flow rate=17l/min"
	attribute ebas_inlet_tube_material = "Teflon"
	attribute ebas_inlet_type = "Hat or hood"
	attribute ebas_instrument_manufacturer = "Teledyne"
	attribute ebas_instrument_model = "T200UP"
	attribute ebas_instrument_name = "PUY_chem_photo_Teledyne_T200UP-198"
	attribute ebas_instrument_serial_number = "T200UP-198"
	attribute ebas_instrument_type = "chemiluminescence_photolytic"
	attribute ebas_laboratory_code = "FR04L"
	attribute ebas_matrix = "air"
	attribute ebas_measurement_height = "12.0 m"
	attribute ebas_measurement_uncertainty_expl = "includes statistical uncertainty of individual sample and calibration uncertainty"
	attribute ebas_method_ref = "FR04L_Teledyne_T200UP_DE20L_NOx_corr_O3_H2O"
	attribute ebas_organization = "FR04L, CNRS-LaMP, , , Campus des Cézeaux, 24 avenue des Landais, 63177, Aubière, France"
	attribute ebas_orig_time_res = "5mn"
	attribute ebas_originator = "\"Colomb, Aurelie, , , , , , , , , \", \"Pichon, Jean-Marc, , , , , , , , , \""
	attribute ebas_ozone_correction = "Corrected for reaction with O3 in the inlet"
	attribute ebas_platform_code = "FR0030S"
	attribute ebas_regime = "IMG"
	attribute ebas_revision_date = "2026-06-25T13:51:28.046758Z"
	attribute ebas_sample_duration = "1h"
	attribute ebas_standard_method = "None"
	attribute ebas_station_altitude = "1465.0 m"
	attribute ebas_station_code = "FR0030R"
	attribute ebas_station_gaw_id = "PUY"
	attribute ebas_station_gaw_name = "Puy de Dôme"
	attribute ebas_station_gaw_type = "G"
	attribute ebas_station_land_use = "Forest"
	attribute ebas_station_latitude = 45.772223
	attribute ebas_station_longitude = 2.964886
	attribute ebas_station_name = "Puy de Dôme"
	attribute ebas_station_other_ids = "FRPUY (SYLVA)"
	attribute ebas_station_setting = "Mountain"
	attribute ebas_station_wmo_region = 6
	attribute ebas_statistics = "percentile:15.87"
	attribute ebas_submitter = "\"Pascal, Nicolas, , , , , , , , , \", \"Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany\""
	attribute ebas_unit = "nmol/mol"
	attribute ebas_version = "1"
	attribute ebas_version_description = "initial revision, manually inspected"
	attribute ebas_water_vapor_correction = "Corrected for water vapor quenching in CLD"
	attribute ebas_zero_negative_values = "Zero values may appear if the concentration is under limit of detection"
	attribute ebas_zero_negative_values_code = "Zero possible"
	attribute missing_value = nan
	attribute standard_name = "mole_fraction_of_nox_in_air"
	attribute units = "nmol/mol"
dataset /v_NOx_nmol_per_mol_stddev: float64, shape (2184)
	attribute _FillValue = nan
	attribute actris_access_restriction = 0
	attribute actris_framework_preferred_term = "ACTRIS, EMEP, GAW-WDCRG"
	attribute actris_framework_uri = "https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG"
	attribute actris_instrument_type_preferred_term = "chemiluminescence detector, photolytical converter"
	attribute actris_instrument_type_uri = "https://vocabulary.actris.nilu.no/actris_vocab/chemiluminescencedetector-photolyticalconverter"
	attribute actris_matrix_preferred_term = "gas phase"
	attribute actris_matrix_uri = "https://vocabulary.actris.nilu.no/actris_vocab/gasphase"
	attribute actris_temporal_resolution = "PT1H"
	attribute actris_timeliness_preferred_term = "scheduled"
	attribute actris_timeliness_uri = "https://vocabulary.actris.nilu.no/actris_vocab/scheduled"
	attribute actris_variable_preferred_term = "nitrogen oxides amount fraction"
	attribute actris_variable_uri = "https://vocabulary.actris.nilu.no/actris_vocab/nitrogenoxidesamountfraction"
	attribute ancillary_variables = "qc_NOx_nmol_per_mol_stddev meta_NOx_nmol_per_mol_stddev"
	attribute cell_methods = "time: standard_deviation"
	attribute ebas_acknowledgement = "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment"
	attribute ebas_calibration_standard_id = "Manufacturer: Linde, Batch: 1234567"
	attribute ebas_comment = "SOP WP4_D4.2_M12.pdf ; detection limits NO=0.050 nmol/mol; NO2=0.050 nmol/mol ; converter efficiency=95% ; Blue Light Converter ; Not corrected from baseline converted by TC from FR0030R.20231002000000.20240318160016.chemiluminescence_photolytic.NOx.air.1y.5mn.FR04L_PUY_chem_photo_Teledyne_T200UP-198.FR04L_Teledyne_T200UP_PUY.lev0.nas + FR0030R.20230101000000.20240222091931.uv_abs.ozone.air.1y.5mn.FR04L_uv_abs_Thermo_49i.FR04L_Thermo_49i_PUY.lev1.nas + FR0030R.20230101000000.20240207082924.aws..met.1y.5mn.FR04L_PUY_AWS_Vaisala_NA.FR04L_Vaisala_custom_built_PUY.lev0.nas ,precision, uncertainty, dectection limit not reported, NO offset correction -- Data converted on import into EBAS from 'nmol/mol' to 'ug N/m3' at 273.15 K, 1013.25 hPa, conversion factor 0.62492281. -- Data converted on export from EBAS from 'ug N/m3' at 273.15 K, 1013.25 hPa to 'nmol/mol', conversion factor 1.6001976."
	attribute ebas_component = "NOx"
	attribute ebas_data_level = "3a"
	attribute ebas_data_license = "https://creativecommons.org/licenses/by/4.0/"
	attribute ebas_detection_limit_expl = "given by instrument constructor"
	attribute ebas_framework_acronym = "ACTRIS, EMEP, GAW-WDCRG"
	attribute ebas_framework_contact_email = "clm@nilu.no, kt@nilu.no, kt@nilu.no"
	attribute ebas_framework_contact_name = "Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth"
	attribute ebas_framework_description = "\"ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.\", The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme."
	attribute ebas_framework_name = "\"European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases\", European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases"
	attribute ebas_humidity_temperaure_control = "Temperature conditioning at 20 deg. C"
	attribute ebas_humidity_temperaure_control_description = "None"
	attribute ebas_inlet_description = "upstream from manifold, tube length=6.5m, flow rate=17l/min"
	attribute ebas_inlet_tube_material = "Teflon"
	attribute ebas_inlet_type = "Hat or hood"
	attribute ebas_instrument_manufacturer = "Teledyne"
	attribute ebas_instrument_model = "T200UP"
	attribute ebas_instrument_name = "PUY_chem_photo_Teledyne_T200UP-198"
	attribute ebas_instrument_serial_number = "T200UP-198"
	attribute ebas_instrument_type = "chemiluminescence_photolytic"
	attribute ebas_laboratory_code = "FR04L"
	attribute ebas_matrix = "air"
	attribute ebas_measurement_height = "12.0 m"
	attribute ebas_measurement_uncertainty_expl = "includes statistical uncertainty of individual sample and calibration uncertainty"
	attribute ebas_method_ref = "FR04L_Teledyne_T200UP_DE20L_NOx_corr_O3_H2O"
	attribute ebas_organization = "FR04L, CNRS-LaMP, , , Campus des Cézeaux, 24 avenue des Landais, 63177, Aubière, France"
	attribute ebas_orig_time_res = "5mn"
	attribute ebas_originator = "\"Colomb, Aurelie, , , , , , , , , \", \"Pichon, Jean-Marc, , , , , , , , , \""
	attribute ebas_ozone_correction = "Corrected for reaction with O3 in the inlet"
	attribute ebas_platform_code = "FR0030S"
	attribute ebas_regime = "IMG"
	attribute ebas_revision_date = "2026-06-25T13:51:28.046758Z"
	attribute ebas_sample_duration = "1h"
	attribute ebas_standard_method = "None"
	attribute ebas_station_altitude = "1465.0 m"
	attribute ebas_station_code = "FR0030R"
	attribute ebas_station_gaw_id = "PUY"
	attribute ebas_station_gaw_name = "Puy de Dôme"
	attribute ebas_station_gaw_type = "G"
	attribute ebas_station_land_use = "Forest"
	attribute ebas_station_latitude = 45.772223
	attribute ebas_station_longitude = 2.964886
	attribute ebas_station_name = "Puy de Dôme"
	attribute ebas_station_other_ids = "FRPUY (SYLVA)"
	attribute ebas_station_setting = "Mountain"
	attribute ebas_station_wmo_region = 6
	attribute ebas_statistics = "stddev"
	attribute ebas_submitter = "\"Pascal, Nicolas, , , , , , , , , \", \"Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany\""
	attribute ebas_unit = "nmol/mol"
	attribute ebas_version = "1"
	attribute ebas_version_description = "initial revision, manually inspected"
	attribute ebas_water_vapor_correction = "Corrected for water vapor quenching in CLD"
	attribute ebas_zero_negative_values = "Zero values may appear if the concentration is under limit of detection"
	attribute ebas_zero_negative_values_code = "Zero possible"
	attribute missing_value = nan
	attribute standard_name = "mole_fraction_of_nox_in_air"
	attribute units = "nmol/mol"
dataset /v_NOx_ug_N_per_m3_amean: float64, shape (2184)
	attribute _FillValue = nan
	attribute actris_access_restriction = 0
	attribute actris_constraints_preferred_term = "expressed as nitrogen"
	attribute actris_constraints_uri = "https://vocabulary.actris.nilu.no/actris_vocab/expressedasnitrogen"
	attribute actris_framework_preferred_term = "ACTRIS, EMEP, GAW-WDCRG"
	attribute actris_framework_uri = "https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG"
	attribute actris_instrument_type_preferred_term = "chemiluminescence detector, photolytical converter"
	attribute actris_instrument_type_uri = "https://vocabulary.actris.nilu.no/actris_vocab/chemiluminescencedetector-photolyticalconverter"
	attribute actris_matrix_preferred_term = "gas phase"
	attribute actris_matrix_uri = "https://vocabulary.actris.nilu.no/actris_vocab/gasphase"
	attribute actris_temporal_resolution = "PT1H"
	attribute actris_timeliness_preferred_term = "scheduled"
	attribute actris_timeliness_uri = "https://vocabulary.actris.nilu.no/actris_vocab/scheduled"
	attribute actris_variable_preferred_term = "nitrogen oxides mass concentration"
	attribute actris_variable_uri = "https://vocabulary.actris.nilu.no/actris_vocab/nitrogenoxidesmassconcentration"
	attribute ancillary_variables = "qc_NOx_ug_N_per_m3_amean meta_NOx_ug_N_per_m3_amean"
	attribute cell_methods = "time: mean"
	attribute ebas_acknowledgement = "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment"
	attribute ebas_calibration_standard_id = "Manufacturer: Linde, Batch: 1234567"
	attribute ebas_comment = "SOP WP4_D4.2_M12.pdf ; detection limits NO=0.050 nmol/mol; NO2=0.050 nmol/mol ; converter efficiency=95% ; Blue Light Converter ; Not corrected from baseline converted by TC from FR0030R.20231002000000.20240318160016.chemiluminescence_photolytic.NOx.air.1y.5mn.FR04L_PUY_chem_photo_Teledyne_T200UP-198.FR04L_Teledyne_T200UP_PUY.lev0.nas + FR0030R.20230101000000.20240222091931.uv_abs.ozone.air.1y.5mn.FR04L_uv_abs_Thermo_49i.FR04L_Thermo_49i_PUY.lev1.nas + FR0030R.20230101000000.20240207082924.aws..met.1y.5mn.FR04L_PUY_AWS_Vaisala_NA.FR04L_Vaisala_custom_built_PUY.lev0.nas ,precision, uncertainty, dectection limit not reported, NO offset correction -- Data converted on import into EBAS from 'nmol/mol' to 'ug N/m3' at 273.15 K, 1013.25 hPa, conversion factor 0.62492281."
	attribute ebas_component = "NOx"
	attribute ebas_data_level = "3a"
	attribute ebas_data_license = "https://creativecommons.org/licenses/by/4.0/"
	attribute ebas_detection_limit_expl = "given by instrument constructor"
	attribute ebas_framework_acronym = "ACTRIS, EMEP, GAW-WDCRG"
	attribute ebas_framework_contact_email = "clm@nilu.no, kt@nilu.no, kt@nilu.no"
	attribute ebas_framework_contact_name = "Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth"
	attribute ebas_framework_description = "\"ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.\", The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme."
	attribute ebas_framework_name = "\"European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases\", European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases"
	attribute ebas_humidity_temperaure_control = "Temperature conditioning at 20 deg. C"
	attribute ebas_humidity_temperaure_control_description = "None"
	attribute ebas_inlet_description = "upstream from manifold, tube length=6.5m, flow rate=17l/min"
	attribute ebas_inlet_tube_material = "Teflon"
	attribute ebas_inlet_type = "Hat or hood"
	attribute ebas_instrument_manufacturer = "Teledyne"
	attribute ebas_instrument_model = "T200UP"
	attribute ebas_instrument_name = "PUY_chem_photo_Teledyne_T200UP-198"
	attribute ebas_instrument_serial_number = "T200UP-198"
	attribute ebas_instrument_type = "chemiluminescence_photolytic"
	attribute ebas_laboratory_code = "FR04L"
	attribute ebas_matrix = "air"
	attribute ebas_measurement_height = "12.0 m"
	attribute ebas_measurement_uncertainty_expl = "includes statistical uncertainty of individual sample and calibration uncertainty"
	attribute ebas_method_ref = "FR04L_Teledyne_T200UP_DE20L_NOx_corr_O3_H2O"
	attribute ebas_organization = "FR04L, CNRS-LaMP, , , Campus des Cézeaux, 24 avenue des Landais, 63177, Aubière, France"
	attribute ebas_orig_time_res = "5mn"
	attribute ebas_originator = "\"Colomb, Aurelie, , , , , , , , , \", \"Pichon, Jean-Marc, , , , , , , , , \""
	attribute ebas_ozone_correction = "Corrected for reaction with O3 in the inlet"
	attribute ebas_platform_code = "FR0030S"
	attribute ebas_regime = "IMG"
	attribute ebas_revision_date = "2026-06-25T13:51:28.046758Z"
	attribute ebas_sample_duration = "1h"
	attribute ebas_standard_method = "None"
	attribute ebas_station_altitude = "1465.0 m"
	attribute ebas_station_code = "FR0030R"
	attribute ebas_station_gaw_id = "PUY"
	attribute ebas_station_gaw_name = "Puy de Dôme"
	attribute ebas_station_gaw_type = "G"
	attribute ebas_station_land_use = "Forest"
	attribute ebas_station_latitude = 45.772223
	attribute ebas_station_longitude = 2.964886
	attribute ebas_station_name = "Puy de Dôme"
	attribute ebas_station_other_ids = "FRPUY (SYLVA)"
	attribute ebas_station_setting = "Mountain"
	attribute ebas_station_wmo_region = 6
	attribute ebas_statistics = "arithmetic mean"
	attribute ebas_submitter = "\"Pascal, Nicolas, , , , , , , , , \", \"Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany\""
	attribute ebas_unit = "ug N/m3"
	attribute ebas_version = "1"
	attribute ebas_version_description = "initial revision, manually inspected"
	attribute ebas_volume_std_pressure = "1013.25 hPa"
	attribute ebas_volume_std_temperature = "273.15 K"
	attribute ebas_water_vapor_correction = "Corrected for water vapor quenching in CLD"
	attribute ebas_zero_negative_values = "Zero values may appear if the concentration is under limit of detection"
	attribute ebas_zero_negative_values_code = "Zero possible"
	attribute missing_value = nan
	attribute standard_name = "mass_concentration_of_nox_expressed_as_nitrogen_in_air"
	attribute units = "ug/m3"
dataset /v_NOx_ug_N_per_m3_perc8413: float64, shape (2184)
	attribute _FillValue = nan
	attribute actris_access_restriction = 0
	attribute actris_constraints_preferred_term = "expressed as nitrogen"
	attribute actris_constraints_uri = "https://vocabulary.actris.nilu.no/actris_vocab/expressedasnitrogen"
	attribute actris_framework_preferred_term = "ACTRIS, EMEP, GAW-WDCRG"
	attribute actris_framework_uri = "https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG"
	attribute actris_instrument_type_preferred_term = "chemiluminescence detector, photolytical converter"
	attribute actris_instrument_type_uri = "https://vocabulary.actris.nilu.no/actris_vocab/chemiluminescencedetector-photolyticalconverter"
	attribute actris_matrix_preferred_term = "gas phase"
	attribute actris_matrix_uri = "https://vocabulary.actris.nilu.no/actris_vocab/gasphase"
	attribute actris_temporal_resolution = "PT1H"
	attribute actris_timeliness_preferred_term = "scheduled"
	attribute actris_timeliness_uri = "https://vocabulary.actris.nilu.no/actris_vocab/scheduled"
	attribute actris_variable_preferred_term = "nitrogen oxides mass concentration"
	attribute actris_variable_uri = "https://vocabulary.actris.nilu.no/actris_vocab/nitrogenoxidesmassconcentration"
	attribute ancillary_variables = "qc_NOx_ug_N_per_m3_perc8413 meta_NOx_ug_N_per_m3_perc8413"
	attribute cell_methods = "time: percentile:84.13"
	attribute ebas_acknowledgement = "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment"
	attribute ebas_calibration_standard_id = "Manufacturer: Linde, Batch: 1234567"
	attribute ebas_comment = "SOP WP4_D4.2_M12.pdf ; detection limits NO=0.050 nmol/mol; NO2=0.050 nmol/mol ; converter efficiency=95% ; Blue Light Converter ; Not corrected from baseline converted by TC from FR0030R.20231002000000.20240318160016.chemiluminescence_photolytic.NOx.air.1y.5mn.FR04L_PUY_chem_photo_Teledyne_T200UP-198.FR04L_Teledyne_T200UP_PUY.lev0.nas + FR0030R.20230101000000.20240222091931.uv_abs.ozone.air.1y.5mn.FR04L_uv_abs_Thermo_49i.FR04L_Thermo_49i_PUY.lev1.nas + FR0030R.20230101000000.20240207082924.aws..met.1y.5mn.FR04L_PUY_AWS_Vaisala_NA.FR04L_Vaisala_custom_built_PUY.lev0.nas ,precision, uncertainty, dectection limit not reported, NO offset correction -- Data converted on import into EBAS from 'nmol/mol' to 'ug N/m3' at 273.15 K, 1013.25 hPa, conversion factor 0.62492281."
	attribute ebas_component = "NOx"
	attribute ebas_data_level = "3a"
	attribute ebas_data_license = "https://creativecommons.org/licenses/by/4.0/"
	attribute ebas_detection_limit_expl = "given by instrument constructor"
	attribute ebas_framework_acronym = "ACTRIS, EMEP, GAW-WDCRG"
	attribute ebas_framework_contact_email = "clm@nilu.no, kt@nilu.no, kt@nilu.no"
	attribute ebas_framework_contact_name = "Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth"
	attribute ebas_framework_description = "\"ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.\", The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme."
	attribute ebas_framework_name = "\"European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases\", European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases"
	attribute ebas_humidity_temperaure_control = "Temperature conditioning at 20 deg. C"
	attribute ebas_humidity_temperaure_control_description = "None"
	attribute ebas_inlet_description = "upstream from manifold, tube length=6.5m, flow rate=17l/min"
	attribute ebas_inlet_tube_material = "Teflon"
	attribute ebas_inlet_type = "Hat or hood"
	attribute ebas_instrument_manufacturer = "Teledyne"
	attribute ebas_instrument_model = "T200UP"
	attribute ebas_instrument_name = "PUY_chem_photo_Teledyne_T200UP-198"
	attribute ebas_instrument_serial_number = "T200UP-198"
	attribute ebas_instrument_type = "chemiluminescence_photolytic"
	attribute ebas_laboratory_code = "FR04L"
	attribute ebas_matrix = "air"
	attribute ebas_measurement_height = "12.0 m"
	attribute ebas_measurement_uncertainty_expl = "includes statistical uncertainty of individual sample and calibration uncertainty"
	attribute ebas_method_ref = "FR04L_Teledyne_T200UP_DE20L_NOx_corr_O3_H2O"
	attribute ebas_organization = "FR04L, CNRS-LaMP, , , Campus des Cézeaux, 24 avenue des Landais, 63177, Aubière, France"
	attribute ebas_orig_time_res = "5mn"
	attribute ebas_originator = "\"Colomb, Aurelie, , , , , , , , , \", \"Pichon, Jean-Marc, , , , , , , , , \""
	attribute ebas_ozone_correction = "Corrected for reaction with O3 in the inlet"
	attribute ebas_platform_code = "FR0030S"
	attribute ebas_regime = "IMG"
	attribute ebas_revision_date = "2026-06-25T13:51:28.046758Z"
	attribute ebas_sample_duration = "1h"
	attribute ebas_standard_method = "None"
	attribute ebas_station_altitude = "1465.0 m"
	attribute ebas_station_code = "FR0030R"
	attribute ebas_station_gaw_id = "PUY"
	attribute ebas_station_gaw_name = "Puy de Dôme"
	attribute ebas_station_gaw_type = "G"
	attribute ebas_station_land_use = "Forest"
	attribute ebas_station_latitude = 45.772223
	attribute ebas_station_longitude = 2.964886
	attribute ebas_station_name = "Puy de Dôme"
	attribute ebas_station_other_ids = "FRPUY (SYLVA)"
	attribute ebas_station_setting = "Mountain"
	attribute ebas_station_wmo_region = 6
	attribute ebas_statistics = "percentile:84.13"
	attribute ebas_submitter = "\"Pascal, Nicolas, , , , , , , , , \", \"Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany\""
	attribute ebas_unit = "ug N/m3"
	attribute ebas_version = "1"
	attribute ebas_version_description = "initial revision, manually inspected"
	attribute ebas_volume_std_pressure = "1013.25 hPa"
	attribute ebas_volume_std_temperature = "273.15 K"
	attribute ebas_water_vapor_correction = "Corrected for water vapor quenching in CLD"
	attribute ebas_zero_negative_values = "Zero values may appear if the concentration is under limit of detection"
	attribute ebas_zero_negative_values_code = "Zero possible"
	attribute missing_value = nan
	attribute standard_name = "mass_concentration_of_nox_expressed_as_nitrogen_in_air"
	attribute units = "ug/m3"
dataset /v_NOx_ug_N_per_m3_prec1587: float64, shape (2184)
	attribute _FillValue = nan
	attribute actris_access_restriction = 0
	attribute actris_constraints_preferred_term = "expressed as nitrogen"
	attribute actris_constraints_uri = "https://vocabulary.actris.nilu.no/actris_vocab/expressedasnitrogen"
	attribute actris_framework_preferred_term = "ACTRIS, EMEP, GAW-WDCRG"
	attribute actris_framework_uri = "https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG"
	attribute actris_instrument_type_preferred_term = "chemiluminescence detector, photolytical converter"
	attribute actris_instrument_type_uri = "https://vocabulary.actris.nilu.no/actris_vocab/chemiluminescencedetector-photolyticalconverter"
	attribute actris_matrix_preferred_term = "gas phase"
	attribute actris_matrix_uri = "https://vocabulary.actris.nilu.no/actris_vocab/gasphase"
	attribute actris_temporal_resolution = "PT1H"
	attribute actris_timeliness_preferred_term = "scheduled"
	attribute actris_timeliness_uri = "https://vocabulary.actris.nilu.no/actris_vocab/scheduled"
	attribute actris_variable_preferred_term = "nitrogen oxides mass concentration"
	attribute actris_variable_uri = "https://vocabulary.actris.nilu.no/actris_vocab/nitrogenoxidesmassconcentration"
	attribute ancillary_variables = "qc_NOx_ug_N_per_m3_prec1587 meta_NOx_ug_N_per_m3_prec1587"
	attribute cell_methods = "time: percentile:15.87"
	attribute ebas_acknowledgement = "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment"
	attribute ebas_calibration_standard_id = "Manufacturer: Linde, Batch: 1234567"
	attribute ebas_comment = "SOP WP4_D4.2_M12.pdf ; detection limits NO=0.050 nmol/mol; NO2=0.050 nmol/mol ; converter efficiency=95% ; Blue Light Converter ; Not corrected from baseline converted by TC from FR0030R.20231002000000.20240318160016.chemiluminescence_photolytic.NOx.air.1y.5mn.FR04L_PUY_chem_photo_Teledyne_T200UP-198.FR04L_Teledyne_T200UP_PUY.lev0.nas + FR0030R.20230101000000.20240222091931.uv_abs.ozone.air.1y.5mn.FR04L_uv_abs_Thermo_49i.FR04L_Thermo_49i_PUY.lev1.nas + FR0030R.20230101000000.20240207082924.aws..met.1y.5mn.FR04L_PUY_AWS_Vaisala_NA.FR04L_Vaisala_custom_built_PUY.lev0.nas ,precision, uncertainty, dectection limit not reported, NO offset correction -- Data converted on import into EBAS from 'nmol/mol' to 'ug N/m3' at 273.15 K, 1013.25 hPa, conversion factor 0.62492281."
	attribute ebas_component = "NOx"
	attribute ebas_data_level = "3a"
	attribute ebas_data_license = "https://creativecommons.org/licenses/by/4.0/"
	attribute ebas_detection_limit_expl = "given by instrument constructor"
	attribute ebas_framework_acronym = "ACTRIS, EMEP, GAW-WDCRG"
	attribute ebas_framework_contact_email = "clm@nilu.no, kt@nilu.no, kt@nilu.no"
	attribute ebas_framework_contact_name = "Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth"
	attribute ebas_framework_description = "\"ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.\", The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme."
	attribute ebas_framework_name = "\"European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases\", European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases"
	attribute ebas_humidity_temperaure_control = "Temperature conditioning at 20 deg. C"
	attribute ebas_humidity_temperaure_control_description = "None"
	attribute ebas_inlet_description = "upstream from manifold, tube length=6.5m, flow rate=17l/min"
	attribute ebas_inlet_tube_material = "Teflon"
	attribute ebas_inlet_type = "Hat or hood"
	attribute ebas_instrument_manufacturer = "Teledyne"
	attribute ebas_instrument_model = "T200UP"
	attribute ebas_instrument_name = "PUY_chem_photo_Teledyne_T200UP-198"
	attribute ebas_instrument_serial_number = "T200UP-198"
	attribute ebas_instrument_type = "chemiluminescence_photolytic"
	attribute ebas_laboratory_code = "FR04L"
	attribute ebas_matrix = "air"
	attribute ebas_measurement_height = "12.0 m"
	attribute ebas_measurement_uncertainty_expl = "includes statistical uncertainty of individual sample and calibration uncertainty"
	attribute ebas_method_ref = "FR04L_Teledyne_T200UP_DE20L_NOx_corr_O3_H2O"
	attribute ebas_organization = "FR04L, CNRS-LaMP, , , Campus des Cézeaux, 24 avenue des Landais, 63177, Aubière, France"
	attribute ebas_orig_time_res = "5mn"
	attribute ebas_originator = "\"Colomb, Aurelie, , , , , , , , , \", \"Pichon, Jean-Marc, , , , , , , , , \""
	attribute ebas_ozone_correction = "Corrected for reaction with O3 in the inlet"
	attribute ebas_platform_code = "FR0030S"
	attribute ebas_regime = "IMG"
	attribute ebas_revision_date = "2026-06-25T13:51:28.046758Z"
	attribute ebas_sample_duration = "1h"
	attribute ebas_standard_method = "None"
	attribute ebas_station_altitude = "1465.0 m"
	attribute ebas_station_code = "FR0030R"
	attribute ebas_station_gaw_id = "PUY"
	attribute ebas_station_gaw_name = "Puy de Dôme"
	attribute ebas_station_gaw_type = "G"
	attribute ebas_station_land_use = "Forest"
	attribute ebas_station_latitude = 45.772223
	attribute ebas_station_longitude = 2.964886
	attribute ebas_station_name = "Puy de Dôme"
	attribute ebas_station_other_ids = "FRPUY (SYLVA)"
	attribute ebas_station_setting = "Mountain"
	attribute ebas_station_wmo_region = 6
	attribute ebas_statistics = "percentile:15.87"
	attribute ebas_submitter = "\"Pascal, Nicolas, , , , , , , , , \", \"Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany\""
	attribute ebas_unit = "ug N/m3"
	attribute ebas_version = "1"
	attribute ebas_version_description = "initial revision, manually inspected"
	attribute ebas_volume_std_pressure = "1013.25 hPa"
	attribute ebas_volume_std_temperature = "273.15 K"
	attribute ebas_water_vapor_correction = "Corrected for water vapor quenching in CLD"
	attribute ebas_zero_negative_values = "Zero values may appear if the concentration is under limit of detection"
	attribute ebas_zero_negative_values_code = "Zero possible"
	attribute missing_value = nan
	attribute standard_name = "mass_concentration_of_nox_expressed_as_nitrogen_in_air"
	attribute units = "ug/m3"
dataset /v_NOx_ug_N_per_m3_stddev: float64, shape (2184)
	attribute _FillValue = nan
	attribute actris_access_restriction = 0
	attribute actris_constraints_preferred_term = "expressed as nitrogen"
	attribute actris_constraints_uri = "https://vocabulary.actris.nilu.no/actris_vocab/expressedasnitrogen"
	attribute actris_framework_preferred_term = "ACTRIS, EMEP, GAW-WDCRG"
	attribute actris_framework_uri = "https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG"
	attribute actris_instrument_type_preferred_term = "chemiluminescence detector, photolytical converter"
	attribute actris_instrument_type_uri = "https://vocabulary.actris.nilu.no/actris_vocab/chemiluminescencedetector-photolyticalconverter"
	attribute actris_matrix_preferred_term = "gas phase"
	attribute actris_matrix_uri = "https://vocabulary.actris.nilu.no/actris_vocab/gasphase"
	attribute actris_temporal_resolution = "PT1H"
	attribute actris_timeliness_preferred_term = "scheduled"
	attribute actris_timeliness_uri = "https://vocabulary.actris.nilu.no/actris_vocab/scheduled"
	attribute actris_variable_preferred_term = "nitrogen oxides mass concentration"
	attribute actris_variable_uri = "https://vocabulary.actris.nilu.no/actris_vocab/nitrogenoxidesmassconcentration"
	attribute ancillary_variables = "qc_NOx_ug_N_per_m3_stddev meta_NOx_ug_N_per_m3_stddev"
	attribute cell_methods = "time: standard_deviation"
	attribute ebas_acknowledgement = "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment"
	attribute ebas_calibration_standard_id = "Manufacturer: Linde, Batch: 1234567"
	attribute ebas_comment = "SOP WP4_D4.2_M12.pdf ; detection limits NO=0.050 nmol/mol; NO2=0.050 nmol/mol ; converter efficiency=95% ; Blue Light Converter ; Not corrected from baseline converted by TC from FR0030R.20231002000000.20240318160016.chemiluminescence_photolytic.NOx.air.1y.5mn.FR04L_PUY_chem_photo_Teledyne_T200UP-198.FR04L_Teledyne_T200UP_PUY.lev0.nas + FR0030R.20230101000000.20240222091931.uv_abs.ozone.air.1y.5mn.FR04L_uv_abs_Thermo_49i.FR04L_Thermo_49i_PUY.lev1.nas + FR0030R.20230101000000.20240207082924.aws..met.1y.5mn.FR04L_PUY_AWS_Vaisala_NA.FR04L_Vaisala_custom_built_PUY.lev0.nas ,precision, uncertainty, dectection limit not reported, NO offset correction -- Data converted on import into EBAS from 'nmol/mol' to 'ug N/m3' at 273.15 K, 1013.25 hPa, conversion factor 0.62492281."
	attribute ebas_component = "NOx"
	attribute ebas_data_level = "3a"
	attribute ebas_data_license = "https://creativecommons.org/licenses/by/4.0/"
	attribute ebas_detection_limit_expl = "given by instrument constructor"
	attribute ebas_framework_acronym = "ACTRIS, EMEP, GAW-WDCRG"
	attribute ebas_framework_contact_email = "clm@nilu.no, kt@nilu.no, kt@nilu.no"
	attribute ebas_framework_contact_name = "Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth"
	attribute ebas_framework_description = "\"ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.\", The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme."
	attribute ebas_framework_name = "\"European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases\", European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases"
	attribute ebas_humidity_temperaure_control = "Temperature conditioning at 20 deg. C"
	attribute ebas_humidity_temperaure_control_description = "None"
	attribute ebas_inlet_description = "upstream from manifold, tube length=6.5m, flow rate=17l/min"
	attribute ebas_inlet_tube_material = "Teflon"
	attribute ebas_inlet_type = "Hat or hood"
	attribute ebas_instrument_manufacturer = "Teledyne"
	attribute ebas_instrument_model = "T200UP"
	attribute ebas_instrument_name = "PUY_chem_photo_Teledyne_T200UP-198"
	attribute ebas_instrument_serial_number = "T200UP-198"
	attribute ebas_instrument_type = "chemiluminescence_photolytic"
	attribute ebas_laboratory_code = "FR04L"
	attribute ebas_matrix = "air"
	attribute ebas_measurement_height = "12.0 m"
	attribute ebas_measurement_uncertainty_expl = "includes statistical uncertainty of individual sample and calibration uncertainty"
	attribute ebas_method_ref = "FR04L_Teledyne_T200UP_DE20L_NOx_corr_O3_H2O"
	attribute ebas_organization = "FR04L, CNRS-LaMP, , , Campus des Cézeaux, 24 avenue des Landais, 63177, Aubière, France"
	attribute ebas_orig_time_res = "5mn"
	attribute ebas_originator = "\"Colomb, Aurelie, , , , , , , , , \", \"Pichon, Jean-Marc, , , , , , , , , \""
	attribute ebas_ozone_correction = "Corrected for reaction with O3 in the inlet"
	attribute ebas_platform_code = "FR0030S"
	attribute ebas_regime = "IMG"
	attribute ebas_revision_date = "2026-06-25T13:51:28.046758Z"
	attribute ebas_sample_duration = "1h"
	attribute ebas_standard_method = "None"
	attribute ebas_station_altitude = "1465.0 m"
	attribute ebas_station_code = "FR0030R"
	attribute ebas_station_gaw_id = "PUY"
	attribute ebas_station_gaw_name = "Puy de Dôme"
	attribute ebas_station_gaw_type = "G"
	attribute ebas_station_land_use = "Forest"
	attribute ebas_station_latitude = 45.772223
	attribute ebas_station_longitude = 2.964886
	attribute ebas_station_name = "Puy de Dôme"
	attribute ebas_station_other_ids = "FRPUY (SYLVA)"
	attribute ebas_station_setting = "Mountain"
	attribute ebas_station_wmo_region = 6
	attribute ebas_statistics = "stddev"
	attribute ebas_submitter = "\"Pascal, Nicolas, , , , , , , , , \", \"Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany\""
	attribute ebas_unit = "ug N/m3"
	attribute ebas_version = "1"
	attribute ebas_version_description = "initial revision, manually inspected"
	attribute ebas_volume_std_pressure = "1013.25 hPa"
	attribute ebas_volume_std_temperature = "273.15 K"
	attribute ebas_water_vapor_correction = "Corrected for water vapor quenching in CLD"
	attribute ebas_zero_negative_values = "Zero values may appear if the concentration is under limit of detection"
	attribute ebas_zero_negative_values_code = "Zero possible"
	attribute missing_value = nan
	attribute standard_name = "mass_concentration_of_nox_expressed_as_nitrogen_in_air"
	attribute units = "ug/m3"
dataset /v_nitrogen_dioxide_nmol_per_mol_amean: float64, shape (2184)
	attribute _FillValue = nan
	attribute actris_access_restriction = 0
	attribute actris_framework_preferred_term = "ACTRIS, EMEP, GAW-WDCRG"
	attribute actris_framework_uri = "https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG"
	attribute actris_instrument_type_preferred_term = "chemiluminescence detector, photolytical converter"
	attribute actris_instrument_type_uri = "https://vocabulary.actris.nilu.no/actris_vocab/chemiluminescencedetector-photolyticalconverter"
	attribute actris_matrix_preferred_term = "gas phase"
	attribute actris_matrix_uri = "https://vocabulary.actris.nilu.no/actris_vocab/gasphase"
	attribute actris_temporal_resolution = "PT1H"
	attribute actris_timeliness_preferred_term = "scheduled"
	attribute actris_timeliness_uri = "https://vocabulary.actris.nilu.no/actris_vocab/scheduled"
	attribute actris_variable_preferred_term = "nitrogen dioxide amount fraction"
	attribute actris_variable_uri = "https://vocabulary.actris.nilu.no/actris_vocab/nitrogendioxideamountfraction"
	attribute ancillary_variables = "qc_nitrogen_dioxide_nmol_per_mol_amean meta_nitrogen_dioxide_nmol_per_mol_amean"
	attribute cell_methods = "time: mean"
	attribute ebas_acknowledgement = "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment"
	attribute ebas_calibration_standard_id = "Manufacturer: Linde, Batch: 1234567"
	attribute ebas_comment = "SOP WP4_D4.2_M12.pdf ; detection limits NO=0.050 nmol/mol; NO2=0.050 nmol/mol ; converter efficiency=95% ; Blue Light Converter ; Not corrected from baseline converted by TC from FR0030R.20231002000000.20240318160016.chemiluminescence_photolytic.NOx.air.1y.5mn.FR04L_PUY_chem_photo_Teledyne_T200UP-198.FR04L_Teledyne_T200UP_PUY.lev0.nas + FR0030R.20230101000000.20240222091931.uv_abs.ozone.air.1y.5mn.FR04L_uv_abs_Thermo_49i.FR04L_Thermo_49i_PUY.lev1.nas + FR0030R.20230101000000.20240207082924.aws..met.1y.5mn.FR04L_PUY_AWS_Vaisala_NA.FR04L_Vaisala_custom_built_PUY.lev0.nas ,precision, uncertainty, dectection limit not reported, NO offset correction -- Data converted on import into EBAS from 'nmol/mol' to 'ug N/m3' at 273.15 K, 1013.25 hPa, conversion factor 0.62492281. -- Data converted on export from EBAS from 'ug N/m3' at 273.15 K, 1013.25 hPa to 'nmol/mol', conversion factor 1.6001976."
	attribute ebas_component = "nitrogen_dioxide"
	attribute ebas_data_level = "3a"
	attribute ebas_data_license = "https://creativecommons.org/licenses/by/4.0/"
	attribute ebas_detection_limit_expl = "given by instrument constructor"
	attribute ebas_framework_acronym = "ACTRIS, EMEP, GAW-WDCRG"
	attribute ebas_framework_contact_email = "clm@nilu.no, kt@nilu.no, kt@nilu.no"
	attribute ebas_framework_contact_name = "Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth"
	attribute ebas_framework_description = "\"ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.\", The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme."
	attribute ebas_framework_name = "\"European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases\", European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases"
	attribute ebas_humidity_temperaure_control = "Temperature conditioning at 20 deg. C"
	attribute ebas_humidity_temperaure_control_description = "None"
	attribute ebas_inlet_description = "upstream from manifold, tube length=6.5m, flow rate=17l/min"
	attribute ebas_inlet_tube_material = "Teflon"
	attribute ebas_inlet_type = "Hat or hood"
	attribute ebas_instrument_manufacturer = "Teledyne"
	attribute ebas_instrument_model = "T200UP"
	attribute ebas_instrument_name = "PUY_chem_photo_Teledyne_T200UP-198"
	attribute ebas_instrument_serial_number = "T200UP-198"
	attribute ebas_instrument_type = "chemiluminescence_photolytic"
	attribute ebas_laboratory_code = "FR04L"
	attribute ebas_matrix = "air"
	attribute ebas_measurement_height = "12.0 m"
	attribute ebas_measurement_uncertainty_expl = "includes statistical uncertainty of individual sample and calibration uncertainty"
	attribute ebas_method_ref = "FR04L_Teledyne_T200UP_DE20L_NOx_corr_O3_H2O"
	attribute ebas_organization = "FR04L, CNRS-LaMP, , , Campus des Cézeaux, 24 avenue des Landais, 63177, Aubière, France"
	attribute ebas_orig_time_res = "5mn"
	attribute ebas_originator = "\"Colomb, Aurelie, , , , , , , , , \", \"Pichon, Jean-Marc, , , , , , , , , \""
	attribute ebas_ozone_correction = "Corrected for reaction with O3 in the inlet"
	attribute ebas_platform_code = "FR0030S"
	attribute ebas_regime = "IMG"
	attribute ebas_revision_date = "2026-06-25T13:51:28.046758Z"
	attribute ebas_sample_duration = "1h"
	attribute ebas_standard_method = "None"
	attribute ebas_station_altitude = "1465.0 m"
	attribute ebas_station_code = "FR0030R"
	attribute ebas_station_gaw_id = "PUY"
	attribute ebas_station_gaw_name = "Puy de Dôme"
	attribute ebas_station_gaw_type = "G"
	attribute ebas_station_land_use = "Forest"
	attribute ebas_station_latitude = 45.772223
	attribute ebas_station_longitude = 2.964886
	attribute ebas_station_name = "Puy de Dôme"
	attribute ebas_station_other_ids = "FRPUY (SYLVA)"
	attribute ebas_station_setting = "Mountain"
	attribute ebas_station_wmo_region = 6
	attribute ebas_statistics = "arithmetic mean"
	attribute ebas_submitter = "\"Pascal, Nicolas, , , , , , , , , \", \"Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany\""
	attribute ebas_unit = "nmol/mol"
	attribute ebas_version = "1"
	attribute ebas_version_description = "initial revision, manually inspected"
	attribute ebas_water_vapor_correction = "Corrected for water vapor quenching in CLD"
	attribute ebas_zero_negative_values = "Zero values may appear if the concentration is under limit of detection"
	attribute ebas_zero_negative_values_code = "Zero possible"
	attribute missing_value = nan
	attribute standard_name = "mole_fraction_of_nitrogen_dioxide_in_air"
	attribute units = "nmol/mol"
dataset /v_nitrogen_dioxide_nmol_per_mol_perc8413: float64, shape (2184)
	attribute _FillValue = nan
	attribute actris_access_restriction = 0
	attribute actris_framework_preferred_term = "ACTRIS, EMEP, GAW-WDCRG"
	attribute actris_framework_uri = "https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG"
	attribute actris_instrument_type_preferred_term = "chemiluminescence detector, photolytical converter"
	attribute actris_instrument_type_uri = "https://vocabulary.actris.nilu.no/actris_vocab/chemiluminescencedetector-photolyticalconverter"
	attribute actris_matrix_preferred_term = "gas phase"
	attribute actris_matrix_uri = "https://vocabulary.actris.nilu.no/actris_vocab/gasphase"
	attribute actris_temporal_resolution = "PT1H"
	attribute actris_timeliness_preferred_term = "scheduled"
	attribute actris_timeliness_uri = "https://vocabulary.actris.nilu.no/actris_vocab/scheduled"
	attribute actris_variable_preferred_term = "nitrogen dioxide amount fraction"
	attribute actris_variable_uri = "https://vocabulary.actris.nilu.no/actris_vocab/nitrogendioxideamountfraction"
	attribute ancillary_variables = "qc_nitrogen_dioxide_nmol_per_mol_perc8413 meta_nitrogen_dioxide_nmol_per_mol_perc8413"
	attribute cell_methods = "time: percentile:84.13"
	attribute ebas_acknowledgement = "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment"
	attribute ebas_calibration_standard_id = "Manufacturer: Linde, Batch: 1234567"
	attribute ebas_comment = "SOP WP4_D4.2_M12.pdf ; detection limits NO=0.050 nmol/mol; NO2=0.050 nmol/mol ; converter efficiency=95% ; Blue Light Converter ; Not corrected from baseline converted by TC from FR0030R.20231002000000.20240318160016.chemiluminescence_photolytic.NOx.air.1y.5mn.FR04L_PUY_chem_photo_Teledyne_T200UP-198.FR04L_Teledyne_T200UP_PUY.lev0.nas + FR0030R.20230101000000.20240222091931.uv_abs.ozone.air.1y.5mn.FR04L_uv_abs_Thermo_49i.FR04L_Thermo_49i_PUY.lev1.nas + FR0030R.20230101000000.20240207082924.aws..met.1y.5mn.FR04L_PUY_AWS_Vaisala_NA.FR04L_Vaisala_custom_built_PUY.lev0.nas ,precision, uncertainty, dectection limit not reported, NO offset correction -- Data converted on import into EBAS from 'nmol/mol' to 'ug N/m3' at 273.15 K, 1013.25 hPa, conversion factor 0.62492281. -- Data converted on export from EBAS from 'ug N/m3' at 273.15 K, 1013.25 hPa to 'nmol/mol', conversion factor 1.6001976."
	attribute ebas_component = "nitrogen_dioxide"
	attribute ebas_data_level = "3a"
	attribute ebas_data_license = "https://creativecommons.org/licenses/by/4.0/"
	attribute ebas_detection_limit_expl = "given by instrument constructor"
	attribute ebas_framework_acronym = "ACTRIS, EMEP, GAW-WDCRG"
	attribute ebas_framework_contact_email = "clm@nilu.no, kt@nilu.no, kt@nilu.no"
	attribute ebas_framework_contact_name = "Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth"
	attribute ebas_framework_description = "\"ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.\", The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme."
	attribute ebas_framework_name = "\"European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases\", European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases"
	attribute ebas_humidity_temperaure_control = "Temperature conditioning at 20 deg. C"
	attribute ebas_humidity_temperaure_control_description = "None"
	attribute ebas_inlet_description = "upstream from manifold, tube length=6.5m, flow rate=17l/min"
	attribute ebas_inlet_tube_material = "Teflon"
	attribute ebas_inlet_type = "Hat or hood"
	attribute ebas_instrument_manufacturer = "Teledyne"
	attribute ebas_instrument_model = "T200UP"
	attribute ebas_instrument_name = "PUY_chem_photo_Teledyne_T200UP-198"
	attribute ebas_instrument_serial_number = "T200UP-198"
	attribute ebas_instrument_type = "chemiluminescence_photolytic"
	attribute ebas_laboratory_code = "FR04L"
	attribute ebas_matrix = "air"
	attribute ebas_measurement_height = "12.0 m"
	attribute ebas_measurement_uncertainty_expl = "includes statistical uncertainty of individual sample and calibration uncertainty"
	attribute ebas_method_ref = "FR04L_Teledyne_T200UP_DE20L_NOx_corr_O3_H2O"
	attribute ebas_organization = "FR04L, CNRS-LaMP, , , Campus des Cézeaux, 24 avenue des Landais, 63177, Aubière, France"
	attribute ebas_orig_time_res = "5mn"
	attribute ebas_originator = "\"Colomb, Aurelie, , , , , , , , , \", \"Pichon, Jean-Marc, , , , , , , , , \""
	attribute ebas_ozone_correction = "Corrected for reaction with O3 in the inlet"
	attribute ebas_platform_code = "FR0030S"
	attribute ebas_regime = "IMG"
	attribute ebas_revision_date = "2026-06-25T13:51:28.046758Z"
	attribute ebas_sample_duration = "1h"
	attribute ebas_standard_method = "None"
	attribute ebas_station_altitude = "1465.0 m"
	attribute ebas_station_code = "FR0030R"
	attribute ebas_station_gaw_id = "PUY"
	attribute ebas_station_gaw_name = "Puy de Dôme"
	attribute ebas_station_gaw_type = "G"
	attribute ebas_station_land_use = "Forest"
	attribute ebas_station_latitude = 45.772223
	attribute ebas_station_longitude = 2.964886
	attribute ebas_station_name = "Puy de Dôme"
	attribute ebas_station_other_ids = "FRPUY (SYLVA)"
	attribute ebas_station_setting = "Mountain"
	attribute ebas_station_wmo_region = 6
	attribute ebas_statistics = "percentile:84.13"
	attribute ebas_submitter = "\"Pascal, Nicolas, , , , , , , , , \", \"Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany\""
	attribute ebas_unit = "nmol/mol"
	attribute ebas_version = "1"
	attribute ebas_version_description = "initial revision, manually inspected"
	attribute ebas_water_vapor_correction = "Corrected for water vapor quenching in CLD"
	attribute ebas_zero_negative_values = "Zero values may appear if the concentration is under limit of detection"
	attribute ebas_zero_negative_values_code = "Zero possible"
	attribute missing_value = nan
	attribute standard_name = "mole_fraction_of_nitrogen_dioxide_in_air"
	attribute units = "nmol/mol"
dataset /v_nitrogen_dioxide_nmol_per_mol_prec1587: float64, shape (2184)
	attribute _FillValue = nan
	attribute actris_access_restriction = 0
	attribute actris_framework_preferred_term = "ACTRIS, EMEP, GAW-WDCRG"
	attribute actris_framework_uri = "https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG"
	attribute actris_instrument_type_preferred_term = "chemiluminescence detector, photolytical converter"
	attribute actris_instrument_type_uri = "https://vocabulary.actris.nilu.no/actris_vocab/chemiluminescencedetector-photolyticalconverter"
	attribute actris_matrix_preferred_term = "gas phase"
	attribute actris_matrix_uri = "https://vocabulary.actris.nilu.no/actris_vocab/gasphase"
	attribute actris_temporal_resolution = "PT1H"
	attribute actris_timeliness_preferred_term = "scheduled"
	attribute actris_timeliness_uri = "https://vocabulary.actris.nilu.no/actris_vocab/scheduled"
	attribute actris_variable_preferred_term = "nitrogen dioxide amount fraction"
	attribute actris_variable_uri = "https://vocabulary.actris.nilu.no/actris_vocab/nitrogendioxideamountfraction"
	attribute ancillary_variables = "qc_nitrogen_dioxide_nmol_per_mol_prec1587 meta_nitrogen_dioxide_nmol_per_mol_prec1587"
	attribute cell_methods = "time: percentile:15.87"
	attribute ebas_acknowledgement = "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment"
	attribute ebas_calibration_standard_id = "Manufacturer: Linde, Batch: 1234567"
	attribute ebas_comment = "SOP WP4_D4.2_M12.pdf ; detection limits NO=0.050 nmol/mol; NO2=0.050 nmol/mol ; converter efficiency=95% ; Blue Light Converter ; Not corrected from baseline converted by TC from FR0030R.20231002000000.20240318160016.chemiluminescence_photolytic.NOx.air.1y.5mn.FR04L_PUY_chem_photo_Teledyne_T200UP-198.FR04L_Teledyne_T200UP_PUY.lev0.nas + FR0030R.20230101000000.20240222091931.uv_abs.ozone.air.1y.5mn.FR04L_uv_abs_Thermo_49i.FR04L_Thermo_49i_PUY.lev1.nas + FR0030R.20230101000000.20240207082924.aws..met.1y.5mn.FR04L_PUY_AWS_Vaisala_NA.FR04L_Vaisala_custom_built_PUY.lev0.nas ,precision, uncertainty, dectection limit not reported, NO offset correction -- Data converted on import into EBAS from 'nmol/mol' to 'ug N/m3' at 273.15 K, 1013.25 hPa, conversion factor 0.62492281. -- Data converted on export from EBAS from 'ug N/m3' at 273.15 K, 1013.25 hPa to 'nmol/mol', conversion factor 1.6001976."
	attribute ebas_component = "nitrogen_dioxide"
	attribute ebas_data_level = "3a"
	attribute ebas_data_license = "https://creativecommons.org/licenses/by/4.0/"
	attribute ebas_detection_limit_expl = "given by instrument constructor"
	attribute ebas_framework_acronym = "ACTRIS, EMEP, GAW-WDCRG"
	attribute ebas_framework_contact_email = "clm@nilu.no, kt@nilu.no, kt@nilu.no"
	attribute ebas_framework_contact_name = "Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth"
	attribute ebas_framework_description = "\"ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.\", The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme."
	attribute ebas_framework_name = "\"European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases\", European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases"
	attribute ebas_humidity_temperaure_control = "Temperature conditioning at 20 deg. C"
	attribute ebas_humidity_temperaure_control_description = "None"
	attribute ebas_inlet_description = "upstream from manifold, tube length=6.5m, flow rate=17l/min"
	attribute ebas_inlet_tube_material = "Teflon"
	attribute ebas_inlet_type = "Hat or hood"
	attribute ebas_instrument_manufacturer = "Teledyne"
	attribute ebas_instrument_model = "T200UP"
	attribute ebas_instrument_name = "PUY_chem_photo_Teledyne_T200UP-198"
	attribute ebas_instrument_serial_number = "T200UP-198"
	attribute ebas_instrument_type = "chemiluminescence_photolytic"
	attribute ebas_laboratory_code = "FR04L"
	attribute ebas_matrix = "air"
	attribute ebas_measurement_height = "12.0 m"
	attribute ebas_measurement_uncertainty_expl = "includes statistical uncertainty of individual sample and calibration uncertainty"
	attribute ebas_method_ref = "FR04L_Teledyne_T200UP_DE20L_NOx_corr_O3_H2O"
	attribute ebas_organization = "FR04L, CNRS-LaMP, , , Campus des Cézeaux, 24 avenue des Landais, 63177, Aubière, France"
	attribute ebas_orig_time_res = "5mn"
	attribute ebas_originator = "\"Colomb, Aurelie, , , , , , , , , \", \"Pichon, Jean-Marc, , , , , , , , , \""
	attribute ebas_ozone_correction = "Corrected for reaction with O3 in the inlet"
	attribute ebas_platform_code = "FR0030S"
	attribute ebas_regime = "IMG"
	attribute ebas_revision_date = "2026-06-25T13:51:28.046758Z"
	attribute ebas_sample_duration = "1h"
	attribute ebas_standard_method = "None"
	attribute ebas_station_altitude = "1465.0 m"
	attribute ebas_station_code = "FR0030R"
	attribute ebas_station_gaw_id = "PUY"
	attribute ebas_station_gaw_name = "Puy de Dôme"
	attribute ebas_station_gaw_type = "G"
	attribute ebas_station_land_use = "Forest"
	attribute ebas_station_latitude = 45.772223
	attribute ebas_station_longitude = 2.964886
	attribute ebas_station_name = "Puy de Dôme"
	attribute ebas_station_other_ids = "FRPUY (SYLVA)"
	attribute ebas_station_setting = "Mountain"
	attribute ebas_station_wmo_region = 6
	attribute ebas_statistics = "percentile:15.87"
	attribute ebas_submitter = "\"Pascal, Nicolas, , , , , , , , , \", \"Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany\""
	attribute ebas_unit = "nmol/mol"
	attribute ebas_version = "1"
	attribute ebas_version_description = "initial revision, manually inspected"
	attribute ebas_water_vapor_correction = "Corrected for water vapor quenching in CLD"
	attribute ebas_zero_negative_values = "Zero values may appear if the concentration is under limit of detection"
	attribute ebas_zero_negative_values_code = "Zero possible"
	attribute missing_value = nan
	attribute standard_name = "mole_fraction_of_nitrogen_dioxide_in_air"
	attribute units = "nmol/mol"
dataset /v_nitrogen_dioxide_nmol_per_mol_stddev: float64, shape (2184)
	attribute _FillValue = nan
	attribute actris_access_restriction = 0
	attribute actris_framework_preferred_term = "ACTRIS, EMEP, GAW-WDCRG"
	attribute actris_framework_uri = "https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG"
	attribute actris_instrument_type_preferred_term = "chemiluminescence detector, photolytical converter"
	attribute actris_instrument_type_uri = "https://vocabulary.actris.nilu.no/actris_vocab/chemiluminescencedetector-photolyticalconverter"
	attribute actris_matrix_preferred_term = "gas phase"
	attribute actris_matrix_uri = "https://vocabulary.actris.nilu.no/actris_vocab/gasphase"
	attribute actris_temporal_resolution = "PT1H"
	attribute actris_timeliness_preferred_term = "scheduled"
	attribute actris_timeliness_uri = "https://vocabulary.actris.nilu.no/actris_vocab/scheduled"
	attribute actris_variable_preferred_term = "nitrogen dioxide amount fraction"
	attribute actris_variable_uri = "https://vocabulary.actris.nilu.no/actris_vocab/nitrogendioxideamountfraction"
	attribute ancillary_variables = "qc_nitrogen_dioxide_nmol_per_mol_stddev meta_nitrogen_dioxide_nmol_per_mol_stddev"
	attribute cell_methods = "time: standard_deviation"
	attribute ebas_acknowledgement = "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment"
	attribute ebas_calibration_standard_id = "Manufacturer: Linde, Batch: 1234567"
	attribute ebas_comment = "SOP WP4_D4.2_M12.pdf ; detection limits NO=0.050 nmol/mol; NO2=0.050 nmol/mol ; converter efficiency=95% ; Blue Light Converter ; Not corrected from baseline converted by TC from FR0030R.20231002000000.20240318160016.chemiluminescence_photolytic.NOx.air.1y.5mn.FR04L_PUY_chem_photo_Teledyne_T200UP-198.FR04L_Teledyne_T200UP_PUY.lev0.nas + FR0030R.20230101000000.20240222091931.uv_abs.ozone.air.1y.5mn.FR04L_uv_abs_Thermo_49i.FR04L_Thermo_49i_PUY.lev1.nas + FR0030R.20230101000000.20240207082924.aws..met.1y.5mn.FR04L_PUY_AWS_Vaisala_NA.FR04L_Vaisala_custom_built_PUY.lev0.nas ,precision, uncertainty, dectection limit not reported, NO offset correction -- Data converted on import into EBAS from 'nmol/mol' to 'ug N/m3' at 273.15 K, 1013.25 hPa, conversion factor 0.62492281. -- Data converted on export from EBAS from 'ug N/m3' at 273.15 K, 1013.25 hPa to 'nmol/mol', conversion factor 1.6001976."
	attribute ebas_component = "nitrogen_dioxide"
	attribute ebas_data_level = "3a"
	attribute ebas_data_license = "https://creativecommons.org/licenses/by/4.0/"
	attribute ebas_detection_limit_expl = "given by instrument constructor"
	attribute ebas_framework_acronym = "ACTRIS, EMEP, GAW-WDCRG"
	attribute ebas_framework_contact_email = "clm@nilu.no, kt@nilu.no, kt@nilu.no"
	attribute ebas_framework_contact_name = "Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth"
	attribute ebas_framework_description = "\"ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.\", The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme."
	attribute ebas_framework_name = "\"European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases\", European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases"
	attribute ebas_humidity_temperaure_control = "Temperature conditioning at 20 deg. C"
	attribute ebas_humidity_temperaure_control_description = "None"
	attribute ebas_inlet_description = "upstream from manifold, tube length=6.5m, flow rate=17l/min"
	attribute ebas_inlet_tube_material = "Teflon"
	attribute ebas_inlet_type = "Hat or hood"
	attribute ebas_instrument_manufacturer = "Teledyne"
	attribute ebas_instrument_model = "T200UP"
	attribute ebas_instrument_name = "PUY_chem_photo_Teledyne_T200UP-198"
	attribute ebas_instrument_serial_number = "T200UP-198"
	attribute ebas_instrument_type = "chemiluminescence_photolytic"
	attribute ebas_laboratory_code = "FR04L"
	attribute ebas_matrix = "air"
	attribute ebas_measurement_height = "12.0 m"
	attribute ebas_measurement_uncertainty_expl = "includes statistical uncertainty of individual sample and calibration uncertainty"
	attribute ebas_method_ref = "FR04L_Teledyne_T200UP_DE20L_NOx_corr_O3_H2O"
	attribute ebas_organization = "FR04L, CNRS-LaMP, , , Campus des Cézeaux, 24 avenue des Landais, 63177, Aubière, France"
	attribute ebas_orig_time_res = "5mn"
	attribute ebas_originator = "\"Colomb, Aurelie, , , , , , , , , \", \"Pichon, Jean-Marc, , , , , , , , , \""
	attribute ebas_ozone_correction = "Corrected for reaction with O3 in the inlet"
	attribute ebas_platform_code = "FR0030S"
	attribute ebas_regime = "IMG"
	attribute ebas_revision_date = "2026-06-25T13:51:28.046758Z"
	attribute ebas_sample_duration = "1h"
	attribute ebas_standard_method = "None"
	attribute ebas_station_altitude = "1465.0 m"
	attribute ebas_station_code = "FR0030R"
	attribute ebas_station_gaw_id = "PUY"
	attribute ebas_station_gaw_name = "Puy de Dôme"
	attribute ebas_station_gaw_type = "G"
	attribute ebas_station_land_use = "Forest"
	attribute ebas_station_latitude = 45.772223
	attribute ebas_station_longitude = 2.964886
	attribute ebas_station_name = "Puy de Dôme"
	attribute ebas_station_other_ids = "FRPUY (SYLVA)"
	attribute ebas_station_setting = "Mountain"
	attribute ebas_station_wmo_region = 6
	attribute ebas_statistics = "stddev"
	attribute ebas_submitter = "\"Pascal, Nicolas, , , , , , , , , \", \"Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany\""
	attribute ebas_unit = "nmol/mol"
	attribute ebas_version = "1"
	attribute ebas_version_description = "initial revision, manually inspected"
	attribute ebas_water_vapor_correction = "Corrected for water vapor quenching in CLD"
	attribute ebas_zero_negative_values = "Zero values may appear if the concentration is under limit of detection"
	attribute ebas_zero_negative_values_code = "Zero possible"
	attribute missing_value = nan
	attribute standard_name = "mole_fraction_of_nitrogen_dioxide_in_air"
	attribute units = "nmol/mol"
dataset /v_nitrogen_dioxide_ug_N_per_m3_amean: float64, shape (2184)
	attribute _FillValue = nan
	attribute actris_access_restriction = 0
	attribute actris_constraints_preferred_term = "expressed as nitrogen"
	attribute actris_constraints_uri = "https://vocabulary.actris.nilu.no/actris_vocab/expressedasnitrogen"
	attribute actris_framework_preferred_term = "ACTRIS, EMEP, GAW-WDCRG"
	attribute actris_framework_uri = "https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG"
	attribute actris_instrument_type_preferred_term = "chemiluminescence detector, photolytical converter"
	attribute actris_instrument_type_uri = "https://vocabulary.actris.nilu.no/actris_vocab/chemiluminescencedetector-photolyticalconverter"
	attribute actris_matrix_preferred_term = "gas phase"
	attribute actris_matrix_uri = "https://vocabulary.actris.nilu.no/actris_vocab/gasphase"
	attribute actris_temporal_resolution = "PT1H"
	attribute actris_timeliness_preferred_term = "scheduled"
	attribute actris_timeliness_uri = "https://vocabulary.actris.nilu.no/actris_vocab/scheduled"
	attribute actris_variable_preferred_term = "nitrogen dioxide mass concentration"
	attribute actris_variable_uri = "https://vocabulary.actris.nilu.no/actris_vocab/nitrogendioxidemassconcentration"
	attribute ancillary_variables = "qc_nitrogen_dioxide_ug_N_per_m3_amean meta_nitrogen_dioxide_ug_N_per_m3_amean"
	attribute cell_methods = "time: mean"
	attribute ebas_acknowledgement = "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment"
	attribute ebas_calibration_standard_id = "Manufacturer: Linde, Batch: 1234567"
	attribute ebas_comment = "SOP WP4_D4.2_M12.pdf ; detection limits NO=0.050 nmol/mol; NO2=0.050 nmol/mol ; converter efficiency=95% ; Blue Light Converter ; Not corrected from baseline converted by TC from FR0030R.20231002000000.20240318160016.chemiluminescence_photolytic.NOx.air.1y.5mn.FR04L_PUY_chem_photo_Teledyne_T200UP-198.FR04L_Teledyne_T200UP_PUY.lev0.nas + FR0030R.20230101000000.20240222091931.uv_abs.ozone.air.1y.5mn.FR04L_uv_abs_Thermo_49i.FR04L_Thermo_49i_PUY.lev1.nas + FR0030R.20230101000000.20240207082924.aws..met.1y.5mn.FR04L_PUY_AWS_Vaisala_NA.FR04L_Vaisala_custom_built_PUY.lev0.nas ,precision, uncertainty, dectection limit not reported, NO offset correction -- Data converted on import into EBAS from 'nmol/mol' to 'ug N/m3' at 273.15 K, 1013.25 hPa, conversion factor 0.62492281."
	attribute ebas_component = "nitrogen_dioxide"
	attribute ebas_data_level = "3a"
	attribute ebas_data_license = "https://creativecommons.org/licenses/by/4.0/"
	attribute ebas_detection_limit_expl = "given by instrument constructor"
	attribute ebas_framework_acronym = "ACTRIS, EMEP, GAW-WDCRG"
	attribute ebas_framework_contact_email = "clm@nilu.no, kt@nilu.no, kt@nilu.no"
	attribute ebas_framework_contact_name = "Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth"
	attribute ebas_framework_description = "\"ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.\", The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme."
	attribute ebas_framework_name = "\"European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases\", European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases"
	attribute ebas_humidity_temperaure_control = "Temperature conditioning at 20 deg. C"
	attribute ebas_humidity_temperaure_control_description = "None"
	attribute ebas_inlet_description = "upstream from manifold, tube length=6.5m, flow rate=17l/min"
	attribute ebas_inlet_tube_material = "Teflon"
	attribute ebas_inlet_type = "Hat or hood"
	attribute ebas_instrument_manufacturer = "Teledyne"
	attribute ebas_instrument_model = "T200UP"
	attribute ebas_instrument_name = "PUY_chem_photo_Teledyne_T200UP-198"
	attribute ebas_instrument_serial_number = "T200UP-198"
	attribute ebas_instrument_type = "chemiluminescence_photolytic"
	attribute ebas_laboratory_code = "FR04L"
	attribute ebas_matrix = "air"
	attribute ebas_measurement_height = "12.0 m"
	attribute ebas_measurement_uncertainty_expl = "includes statistical uncertainty of individual sample and calibration uncertainty"
	attribute ebas_method_ref = "FR04L_Teledyne_T200UP_DE20L_NOx_corr_O3_H2O"
	attribute ebas_organization = "FR04L, CNRS-LaMP, , , Campus des Cézeaux, 24 avenue des Landais, 63177, Aubière, France"
	attribute ebas_orig_time_res = "5mn"
	attribute ebas_originator = "\"Colomb, Aurelie, , , , , , , , , \", \"Pichon, Jean-Marc, , , , , , , , , \""
	attribute ebas_ozone_correction = "Corrected for reaction with O3 in the inlet"
	attribute ebas_platform_code = "FR0030S"
	attribute ebas_regime = "IMG"
	attribute ebas_revision_date = "2026-06-25T13:51:28.046758Z"
	attribute ebas_sample_duration = "1h"
	attribute ebas_standard_method = "None"
	attribute ebas_station_altitude = "1465.0 m"
	attribute ebas_station_code = "FR0030R"
	attribute ebas_station_gaw_id = "PUY"
	attribute ebas_station_gaw_name = "Puy de Dôme"
	attribute ebas_station_gaw_type = "G"
	attribute ebas_station_land_use = "Forest"
	attribute ebas_station_latitude = 45.772223
	attribute ebas_station_longitude = 2.964886
	attribute ebas_station_name = "Puy de Dôme"
	attribute ebas_station_other_ids = "FRPUY (SYLVA)"
	attribute ebas_station_setting = "Mountain"
	attribute ebas_station_wmo_region = 6
	attribute ebas_statistics = "arithmetic mean"
	attribute ebas_submitter = "\"Pascal, Nicolas, , , , , , , , , \", \"Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany\""
	attribute ebas_unit = "ug N/m3"
	attribute ebas_version = "1"
	attribute ebas_version_description = "initial revision, manually inspected"
	attribute ebas_volume_std_pressure = "1013.25 hPa"
	attribute ebas_volume_std_temperature = "273.15 K"
	attribute ebas_water_vapor_correction = "Corrected for water vapor quenching in CLD"
	attribute ebas_zero_negative_values = "Zero values may appear if the concentration is under limit of detection"
	attribute ebas_zero_negative_values_code = "Zero possible"
	attribute missing_value = nan
	attribute standard_name = "mass_concentration_of_nitrogen_dioxide_expressed_as_nitrogen_in_air"
	attribute units = "ug/m3"
dataset /v_nitrogen_dioxide_ug_N_per_m3_perc8413: float64, shape (2184)
	attribute _FillValue = nan
	attribute actris_access_restriction = 0
	attribute actris_constraints_preferred_term = "expressed as nitrogen"
	attribute actris_constraints_uri = "https://vocabulary.actris.nilu.no/actris_vocab/expressedasnitrogen"
	attribute actris_framework_preferred_term = "ACTRIS, EMEP, GAW-WDCRG"
	attribute actris_framework_uri = "https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG"
	attribute actris_instrument_type_preferred_term = "chemiluminescence detector, photolytical converter"
	attribute actris_instrument_type_uri = "https://vocabulary.actris.nilu.no/actris_vocab/chemiluminescencedetector-photolyticalconverter"
	attribute actris_matrix_preferred_term = "gas phase"
	attribute actris_matrix_uri = "https://vocabulary.actris.nilu.no/actris_vocab/gasphase"
	attribute actris_temporal_resolution = "PT1H"
	attribute actris_timeliness_preferred_term = "scheduled"
	attribute actris_timeliness_uri = "https://vocabulary.actris.nilu.no/actris_vocab/scheduled"
	attribute actris_variable_preferred_term = "nitrogen dioxide mass concentration"
	attribute actris_variable_uri = "https://vocabulary.actris.nilu.no/actris_vocab/nitrogendioxidemassconcentration"
	attribute ancillary_variables = "qc_nitrogen_dioxide_ug_N_per_m3_perc8413 meta_nitrogen_dioxide_ug_N_per_m3_perc8413"
	attribute cell_methods = "time: percentile:84.13"
	attribute ebas_acknowledgement = "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment"
	attribute ebas_calibration_standard_id = "Manufacturer: Linde, Batch: 1234567"
	attribute ebas_comment = "SOP WP4_D4.2_M12.pdf ; detection limits NO=0.050 nmol/mol; NO2=0.050 nmol/mol ; converter efficiency=95% ; Blue Light Converter ; Not corrected from baseline converted by TC from FR0030R.20231002000000.20240318160016.chemiluminescence_photolytic.NOx.air.1y.5mn.FR04L_PUY_chem_photo_Teledyne_T200UP-198.FR04L_Teledyne_T200UP_PUY.lev0.nas + FR0030R.20230101000000.20240222091931.uv_abs.ozone.air.1y.5mn.FR04L_uv_abs_Thermo_49i.FR04L_Thermo_49i_PUY.lev1.nas + FR0030R.20230101000000.20240207082924.aws..met.1y.5mn.FR04L_PUY_AWS_Vaisala_NA.FR04L_Vaisala_custom_built_PUY.lev0.nas ,precision, uncertainty, dectection limit not reported, NO offset correction -- Data converted on import into EBAS from 'nmol/mol' to 'ug N/m3' at 273.15 K, 1013.25 hPa, conversion factor 0.62492281."
	attribute ebas_component = "nitrogen_dioxide"
	attribute ebas_data_level = "3a"
	attribute ebas_data_license = "https://creativecommons.org/licenses/by/4.0/"
	attribute ebas_detection_limit_expl = "given by instrument constructor"
	attribute ebas_framework_acronym = "ACTRIS, EMEP, GAW-WDCRG"
	attribute ebas_framework_contact_email = "clm@nilu.no, kt@nilu.no, kt@nilu.no"
	attribute ebas_framework_contact_name = "Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth"
	attribute ebas_framework_description = "\"ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.\", The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme."
	attribute ebas_framework_name = "\"European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases\", European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases"
	attribute ebas_humidity_temperaure_control = "Temperature conditioning at 20 deg. C"
	attribute ebas_humidity_temperaure_control_description = "None"
	attribute ebas_inlet_description = "upstream from manifold, tube length=6.5m, flow rate=17l/min"
	attribute ebas_inlet_tube_material = "Teflon"
	attribute ebas_inlet_type = "Hat or hood"
	attribute ebas_instrument_manufacturer = "Teledyne"
	attribute ebas_instrument_model = "T200UP"
	attribute ebas_instrument_name = "PUY_chem_photo_Teledyne_T200UP-198"
	attribute ebas_instrument_serial_number = "T200UP-198"
	attribute ebas_instrument_type = "chemiluminescence_photolytic"
	attribute ebas_laboratory_code = "FR04L"
	attribute ebas_matrix = "air"
	attribute ebas_measurement_height = "12.0 m"
	attribute ebas_measurement_uncertainty_expl = "includes statistical uncertainty of individual sample and calibration uncertainty"
	attribute ebas_method_ref = "FR04L_Teledyne_T200UP_DE20L_NOx_corr_O3_H2O"
	attribute ebas_organization = "FR04L, CNRS-LaMP, , , Campus des Cézeaux, 24 avenue des Landais, 63177, Aubière, France"
	attribute ebas_orig_time_res = "5mn"
	attribute ebas_originator = "\"Colomb, Aurelie, , , , , , , , , \", \"Pichon, Jean-Marc, , , , , , , , , \""
	attribute ebas_ozone_correction = "Corrected for reaction with O3 in the inlet"
	attribute ebas_platform_code = "FR0030S"
	attribute ebas_regime = "IMG"
	attribute ebas_revision_date = "2026-06-25T13:51:28.046758Z"
	attribute ebas_sample_duration = "1h"
	attribute ebas_standard_method = "None"
	attribute ebas_station_altitude = "1465.0 m"
	attribute ebas_station_code = "FR0030R"
	attribute ebas_station_gaw_id = "PUY"
	attribute ebas_station_gaw_name = "Puy de Dôme"
	attribute ebas_station_gaw_type = "G"
	attribute ebas_station_land_use = "Forest"
	attribute ebas_station_latitude = 45.772223
	attribute ebas_station_longitude = 2.964886
	attribute ebas_station_name = "Puy de Dôme"
	attribute ebas_station_other_ids = "FRPUY (SYLVA)"
	attribute ebas_station_setting = "Mountain"
	attribute ebas_station_wmo_region = 6
	attribute ebas_statistics = "percentile:84.13"
	attribute ebas_submitter = "\"Pascal, Nicolas, , , , , , , , , \", \"Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany\""
	attribute ebas_unit = "ug N/m3"
	attribute ebas_version = "1"
	attribute ebas_version_description = "initial revision, manually inspected"
	attribute ebas_volume_std_pressure = "1013.25 hPa"
	attribute ebas_volume_std_temperature = "273.15 K"
	attribute ebas_water_vapor_correction = "Corrected for water vapor quenching in CLD"
	attribute ebas_zero_negative_values = "Zero values may appear if the concentration is under limit of detection"
	attribute ebas_zero_negative_values_code = "Zero possible"
	attribute missing_value = nan
	attribute standard_name = "mass_concentration_of_nitrogen_dioxide_expressed_as_nitrogen_in_air"
	attribute units = "ug/m3"
dataset /v_nitrogen_dioxide_ug_N_per_m3_prec1587: float64, shape (2184)
	attribute _FillValue = nan
	attribute actris_access_restriction = 0
	attribute actris_constraints_preferred_term = "expressed as nitrogen"
	attribute actris_constraints_uri = "https://vocabulary.actris.nilu.no/actris_vocab/expressedasnitrogen"
	attribute actris_framework_preferred_term = "ACTRIS, EMEP, GAW-WDCRG"
	attribute actris_framework_uri = "https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG"
	attribute actris_instrument_type_preferred_term = "chemiluminescence detector, photolytical converter"
	attribute actris_instrument_type_uri = "https://vocabulary.actris.nilu.no/actris_vocab/chemiluminescencedetector-photolyticalconverter"
	attribute actris_matrix_preferred_term = "gas phase"
	attribute actris_matrix_uri = "https://vocabulary.actris.nilu.no/actris_vocab/gasphase"
	attribute actris_temporal_resolution = "PT1H"
	attribute actris_timeliness_preferred_term = "scheduled"
	attribute actris_timeliness_uri = "https://vocabulary.actris.nilu.no/actris_vocab/scheduled"
	attribute actris_variable_preferred_term = "nitrogen dioxide mass concentration"
	attribute actris_variable_uri = "https://vocabulary.actris.nilu.no/actris_vocab/nitrogendioxidemassconcentration"
	attribute ancillary_variables = "qc_nitrogen_dioxide_ug_N_per_m3_prec1587 meta_nitrogen_dioxide_ug_N_per_m3_prec1587"
	attribute cell_methods = "time: percentile:15.87"
	attribute ebas_acknowledgement = "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment"
	attribute ebas_calibration_standard_id = "Manufacturer: Linde, Batch: 1234567"
	attribute ebas_comment = "SOP WP4_D4.2_M12.pdf ; detection limits NO=0.050 nmol/mol; NO2=0.050 nmol/mol ; converter efficiency=95% ; Blue Light Converter ; Not corrected from baseline converted by TC from FR0030R.20231002000000.20240318160016.chemiluminescence_photolytic.NOx.air.1y.5mn.FR04L_PUY_chem_photo_Teledyne_T200UP-198.FR04L_Teledyne_T200UP_PUY.lev0.nas + FR0030R.20230101000000.20240222091931.uv_abs.ozone.air.1y.5mn.FR04L_uv_abs_Thermo_49i.FR04L_Thermo_49i_PUY.lev1.nas + FR0030R.20230101000000.20240207082924.aws..met.1y.5mn.FR04L_PUY_AWS_Vaisala_NA.FR04L_Vaisala_custom_built_PUY.lev0.nas ,precision, uncertainty, dectection limit not reported, NO offset correction -- Data converted on import into EBAS from 'nmol/mol' to 'ug N/m3' at 273.15 K, 1013.25 hPa, conversion factor 0.62492281."
	attribute ebas_component = "nitrogen_dioxide"
	attribute ebas_data_level = "3a"
	attribute ebas_data_license = "https://creativecommons.org/licenses/by/4.0/"
	attribute ebas_detection_limit_expl = "given by instrument constructor"
	attribute ebas_framework_acronym = "ACTRIS, EMEP, GAW-WDCRG"
	attribute ebas_framework_contact_email = "clm@nilu.no, kt@nilu.no, kt@nilu.no"
	attribute ebas_framework_contact_name = "Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth"
	attribute ebas_framework_description = "\"ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.\", The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme."
	attribute ebas_framework_name = "\"European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases\", European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases"
	attribute ebas_humidity_temperaure_control = "Temperature conditioning at 20 deg. C"
	attribute ebas_humidity_temperaure_control_description = "None"
	attribute ebas_inlet_description = "upstream from manifold, tube length=6.5m, flow rate=17l/min"
	attribute ebas_inlet_tube_material = "Teflon"
	attribute ebas_inlet_type = "Hat or hood"
	attribute ebas_instrument_manufacturer = "Teledyne"
	attribute ebas_instrument_model = "T200UP"
	attribute ebas_instrument_name = "PUY_chem_photo_Teledyne_T200UP-198"
	attribute ebas_instrument_serial_number = "T200UP-198"
	attribute ebas_instrument_type = "chemiluminescence_photolytic"
	attribute ebas_laboratory_code = "FR04L"
	attribute ebas_matrix = "air"
	attribute ebas_measurement_height = "12.0 m"
	attribute ebas_measurement_uncertainty_expl = "includes statistical uncertainty of individual sample and calibration uncertainty"
	attribute ebas_method_ref = "FR04L_Teledyne_T200UP_DE20L_NOx_corr_O3_H2O"
	attribute ebas_organization = "FR04L, CNRS-LaMP, , , Campus des Cézeaux, 24 avenue des Landais, 63177, Aubière, France"
	attribute ebas_orig_time_res = "5mn"
	attribute ebas_originator = "\"Colomb, Aurelie, , , , , , , , , \", \"Pichon, Jean-Marc, , , , , , , , , \""
	attribute ebas_ozone_correction = "Corrected for reaction with O3 in the inlet"
	attribute ebas_platform_code = "FR0030S"
	attribute ebas_regime = "IMG"
	attribute ebas_revision_date = "2026-06-25T13:51:28.046758Z"
	attribute ebas_sample_duration = "1h"
	attribute ebas_standard_method = "None"
	attribute ebas_station_altitude = "1465.0 m"
	attribute ebas_station_code = "FR0030R"
	attribute ebas_station_gaw_id = "PUY"
	attribute ebas_station_gaw_name = "Puy de Dôme"
	attribute ebas_station_gaw_type = "G"
	attribute ebas_station_land_use = "Forest"
	attribute ebas_station_latitude = 45.772223
	attribute ebas_station_longitude = 2.964886
	attribute ebas_station_name = "Puy de Dôme"
	attribute ebas_station_other_ids = "FRPUY (SYLVA)"
	attribute ebas_station_setting = "Mountain"
	attribute ebas_station_wmo_region = 6
	attribute ebas_statistics = "percentile:15.87"
	attribute ebas_submitter = "\"Pascal, Nicolas, , , , , , , , , \", \"Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany\""
	attribute ebas_unit = "ug N/m3"
	attribute ebas_version = "1"
	attribute ebas_version_description = "initial revision, manually inspected"
	attribute ebas_volume_std_pressure = "1013.25 hPa"
	attribute ebas_volume_std_temperature = "273.15 K"
	attribute ebas_water_vapor_correction = "Corrected for water vapor quenching in CLD"
	attribute ebas_zero_negative_values = "Zero values may appear if the concentration is under limit of detection"
	attribute ebas_zero_negative_values_code = "Zero possible"
	attribute missing_value = nan
	attribute standard_name = "mass_concentration_of_nitrogen_dioxide_expressed_as_nitrogen_in_air"
	attribute units = "ug/m3"
dataset /v_nitrogen_dioxide_ug_N_per_m3_stddev: float64, shape (2184)
	attribute _FillValue = nan
	attribute actris_access_restriction = 0
	attribute actris_constraints_preferred_term = "expressed as nitrogen"
	attribute actris_constraints_uri = "https://vocabulary.actris.nilu.no/actris_vocab/expressedasnitrogen"
	attribute actris_framework_preferred_term = "ACTRIS, EMEP, GAW-WDCRG"
	attribute actris_framework_uri = "https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG"
	attribute actris_instrument_type_preferred_term = "chemiluminescence detector, photolytical converter"
	attribute actris_instrument_type_uri = "https://vocabulary.actris.nilu.no/actris_vocab/chemiluminescencedetector-photolyticalconverter"
	attribute actris_matrix_preferred_term = "gas phase"
	attribute actris_matrix_uri = "https://vocabulary.actris.nilu.no/actris_vocab/gasphase"
	attribute actris_temporal_resolution = "PT1H"
	attribute actris_timeliness_preferred_term = "scheduled"
	attribute actris_timeliness_uri = "https://vocabulary.actris.nilu.no/actris_vocab/scheduled"
	attribute actris_variable_preferred_term = "nitrogen dioxide mass concentration"
	attribute actris_variable_uri = "https://vocabulary.actris.nilu.no/actris_vocab/nitrogendioxidemassconcentration"
	attribute ancillary_variables = "qc_nitrogen_dioxide_ug_N_per_m3_stddev meta_nitrogen_dioxide_ug_N_per_m3_stddev"
	attribute cell_methods = "time: standard_deviation"
	attribute ebas_acknowledgement = "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment"
	attribute ebas_calibration_standard_id = "Manufacturer: Linde, Batch: 1234567"
	attribute ebas_comment = "SOP WP4_D4.2_M12.pdf ; detection limits NO=0.050 nmol/mol; NO2=0.050 nmol/mol ; converter efficiency=95% ; Blue Light Converter ; Not corrected from baseline converted by TC from FR0030R.20231002000000.20240318160016.chemiluminescence_photolytic.NOx.air.1y.5mn.FR04L_PUY_chem_photo_Teledyne_T200UP-198.FR04L_Teledyne_T200UP_PUY.lev0.nas + FR0030R.20230101000000.20240222091931.uv_abs.ozone.air.1y.5mn.FR04L_uv_abs_Thermo_49i.FR04L_Thermo_49i_PUY.lev1.nas + FR0030R.20230101000000.20240207082924.aws..met.1y.5mn.FR04L_PUY_AWS_Vaisala_NA.FR04L_Vaisala_custom_built_PUY.lev0.nas ,precision, uncertainty, dectection limit not reported, NO offset correction -- Data converted on import into EBAS from 'nmol/mol' to 'ug N/m3' at 273.15 K, 1013.25 hPa, conversion factor 0.62492281."
	attribute ebas_component = "nitrogen_dioxide"
	attribute ebas_data_level = "3a"
	attribute ebas_data_license = "https://creativecommons.org/licenses/by/4.0/"
	attribute ebas_detection_limit_expl = "given by instrument constructor"
	attribute ebas_framework_acronym = "ACTRIS, EMEP, GAW-WDCRG"
	attribute ebas_framework_contact_email = "clm@nilu.no, kt@nilu.no, kt@nilu.no"
	attribute ebas_framework_contact_name = "Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth"
	attribute ebas_framework_description = "\"ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.\", The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme."
	attribute ebas_framework_name = "\"European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases\", European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases"
	attribute ebas_humidity_temperaure_control = "Temperature conditioning at 20 deg. C"
	attribute ebas_humidity_temperaure_control_description = "None"
	attribute ebas_inlet_description = "upstream from manifold, tube length=6.5m, flow rate=17l/min"
	attribute ebas_inlet_tube_material = "Teflon"
	attribute ebas_inlet_type = "Hat or hood"
	attribute ebas_instrument_manufacturer = "Teledyne"
	attribute ebas_instrument_model = "T200UP"
	attribute ebas_instrument_name = "PUY_chem_photo_Teledyne_T200UP-198"
	attribute ebas_instrument_serial_number = "T200UP-198"
	attribute ebas_instrument_type = "chemiluminescence_photolytic"
	attribute ebas_laboratory_code = "FR04L"
	attribute ebas_matrix = "air"
	attribute ebas_measurement_height = "12.0 m"
	attribute ebas_measurement_uncertainty_expl = "includes statistical uncertainty of individual sample and calibration uncertainty"
	attribute ebas_method_ref = "FR04L_Teledyne_T200UP_DE20L_NOx_corr_O3_H2O"
	attribute ebas_organization = "FR04L, CNRS-LaMP, , , Campus des Cézeaux, 24 avenue des Landais, 63177, Aubière, France"
	attribute ebas_orig_time_res = "5mn"
	attribute ebas_originator = "\"Colomb, Aurelie, , , , , , , , , \", \"Pichon, Jean-Marc, , , , , , , , , \""
	attribute ebas_ozone_correction = "Corrected for reaction with O3 in the inlet"
	attribute ebas_platform_code = "FR0030S"
	attribute ebas_regime = "IMG"
	attribute ebas_revision_date = "2026-06-25T13:51:28.046758Z"
	attribute ebas_sample_duration = "1h"
	attribute ebas_standard_method = "None"
	attribute ebas_station_altitude = "1465.0 m"
	attribute ebas_station_code = "FR0030R"
	attribute ebas_station_gaw_id = "PUY"
	attribute ebas_station_gaw_name = "Puy de Dôme"
	attribute ebas_station_gaw_type = "G"
	attribute ebas_station_land_use = "Forest"
	attribute ebas_station_latitude = 45.772223
	attribute ebas_station_longitude = 2.964886
	attribute ebas_station_name = "Puy de Dôme"
	attribute ebas_station_other_ids = "FRPUY (SYLVA)"
	attribute ebas_station_setting = "Mountain"
	attribute ebas_station_wmo_region = 6
	attribute ebas_statistics = "stddev"
	attribute ebas_submitter = "\"Pascal, Nicolas, , , , , , , , , \", \"Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany\""
	attribute ebas_unit = "ug N/m3"
	attribute ebas_version = "1"
	attribute ebas_version_description = "initial revision, manually inspected"
	attribute ebas_volume_std_pressure = "1013.25 hPa"
	attribute ebas_volume_std_temperature = "273.15 K"
	attribute ebas_water_vapor_correction = "Corrected for water vapor quenching in CLD"
	attribute ebas_zero_negative_values = "Zero values may appear if the concentration is under limit of detection"
	attribute ebas_zero_negative_values_code = "Zero possible"
	attribute missing_value = nan
	attribute standard_name = "mass_concentration_of_nitrogen_dioxide_expressed_as_nitrogen_in_air"
	attribute units = "ug/m3"
dataset /v_nitrogen_monoxide_nmol_per_mol_amean: float64, shape (2184)
	attribute _FillValue = nan
	attribute actris_access_restriction = 0
	attribute actris_framework_preferred_term = "ACTRIS, EMEP, GAW-WDCRG"
	attribute actris_framework_uri = "https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG"
	attribute actris_instrument_type_preferred_term = "chemiluminescence detector, photolytical converter"
	attribute actris_instrument_type_uri = "https://vocabulary.actris.nilu.no/actris_vocab/chemiluminescencedetector-photolyticalconverter"
	attribute actris_matrix_preferred_term = "gas phase"
	attribute actris_matrix_uri = "https://vocabulary.actris.nilu.no/actris_vocab/gasphase"
	attribute actris_temporal_resolution = "PT1H"
	attribute actris_timeliness_preferred_term = "scheduled"
	attribute actris_timeliness_uri = "https://vocabulary.actris.nilu.no/actris_vocab/scheduled"
	attribute actris_variable_preferred_term = "nitric oxide amount fraction"
	attribute actris_variable_uri = "https://vocabulary.actris.nilu.no/actris_vocab/nitricoxideamountfraction"
	attribute ancillary_variables = "qc_nitrogen_monoxide_nmol_per_mol_amean meta_nitrogen_monoxide_nmol_per_mol_amean"
	attribute cell_methods = "time: mean"
	attribute ebas_acknowledgement = "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment"
	attribute ebas_calibration_standard_id = "Manufacturer: Linde, Batch: 1234567"
	attribute ebas_comment = "SOP WP4_D4.2_M12.pdf ; detection limits NO=0.050 nmol/mol; NO2=0.050 nmol/mol ; converter efficiency=95% ; Blue Light Converter ; Not corrected from baseline converted by TC from FR0030R.20231002000000.20240318160016.chemiluminescence_photolytic.NOx.air.1y.5mn.FR04L_PUY_chem_photo_Teledyne_T200UP-198.FR04L_Teledyne_T200UP_PUY.lev0.nas + FR0030R.20230101000000.20240222091931.uv_abs.ozone.air.1y.5mn.FR04L_uv_abs_Thermo_49i.FR04L_Thermo_49i_PUY.lev1.nas + FR0030R.20230101000000.20240207082924.aws..met.1y.5mn.FR04L_PUY_AWS_Vaisala_NA.FR04L_Vaisala_custom_built_PUY.lev0.nas ,precision, uncertainty, dectection limit not reported, NO offset correction -- Data converted on import into EBAS from 'nmol/mol' to 'ug N/m3' at 273.15 K, 1013.25 hPa, conversion factor 0.62492281. -- Data converted on export from EBAS from 'ug N/m3' at 273.15 K, 1013.25 hPa to 'nmol/mol', conversion factor 1.6001976."
	attribute ebas_component = "nitrogen_monoxide"
	attribute ebas_data_level = "3a"
	attribute ebas_data_license = "https://creativecommons.org/licenses/by/4.0/"
	attribute ebas_detection_limit_expl = "given by instrument constructor"
	attribute ebas_framework_acronym = "ACTRIS, EMEP, GAW-WDCRG"
	attribute ebas_framework_contact_email = "clm@nilu.no, kt@nilu.no, kt@nilu.no"
	attribute ebas_framework_contact_name = "Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth"
	attribute ebas_framework_description = "\"ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.\", The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme."
	attribute ebas_framework_name = "\"European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases\", European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases"
	attribute ebas_humidity_temperaure_control = "Temperature conditioning at 20 deg. C"
	attribute ebas_humidity_temperaure_control_description = "None"
	attribute ebas_inlet_description = "upstream from manifold, tube length=6.5m, flow rate=17l/min"
	attribute ebas_inlet_tube_material = "Teflon"
	attribute ebas_inlet_type = "Hat or hood"
	attribute ebas_instrument_manufacturer = "Teledyne"
	attribute ebas_instrument_model = "T200UP"
	attribute ebas_instrument_name = "PUY_chem_photo_Teledyne_T200UP-198"
	attribute ebas_instrument_serial_number = "T200UP-198"
	attribute ebas_instrument_type = "chemiluminescence_photolytic"
	attribute ebas_laboratory_code = "FR04L"
	attribute ebas_matrix = "air"
	attribute ebas_measurement_height = "12.0 m"
	attribute ebas_measurement_uncertainty_expl = "includes statistical uncertainty of individual sample and calibration uncertainty"
	attribute ebas_method_ref = "FR04L_Teledyne_T200UP_DE20L_NOx_corr_O3_H2O"
	attribute ebas_organization = "FR04L, CNRS-LaMP, , , Campus des Cézeaux, 24 avenue des Landais, 63177, Aubière, France"
	attribute ebas_orig_time_res = "5mn"
	attribute ebas_originator = "\"Colomb, Aurelie, , , , , , , , , \", \"Pichon, Jean-Marc, , , , , , , , , \""
	attribute ebas_ozone_correction = "Corrected for reaction with O3 in the inlet"
	attribute ebas_platform_code = "FR0030S"
	attribute ebas_regime = "IMG"
	attribute ebas_revision_date = "2026-06-25T13:51:28.046758Z"
	attribute ebas_sample_duration = "1h"
	attribute ebas_standard_method = "None"
	attribute ebas_station_altitude = "1465.0 m"
	attribute ebas_station_code = "FR0030R"
	attribute ebas_station_gaw_id = "PUY"
	attribute ebas_station_gaw_name = "Puy de Dôme"
	attribute ebas_station_gaw_type = "G"
	attribute ebas_station_land_use = "Forest"
	attribute ebas_station_latitude = 45.772223
	attribute ebas_station_longitude = 2.964886
	attribute ebas_station_name = "Puy de Dôme"
	attribute ebas_station_other_ids = "FRPUY (SYLVA)"
	attribute ebas_station_setting = "Mountain"
	attribute ebas_station_wmo_region = 6
	attribute ebas_statistics = "arithmetic mean"
	attribute ebas_submitter = "\"Pascal, Nicolas, , , , , , , , , \", \"Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany\""
	attribute ebas_unit = "nmol/mol"
	attribute ebas_version = "1"
	attribute ebas_version_description = "initial revision, manually inspected"
	attribute ebas_water_vapor_correction = "Corrected for water vapor quenching in CLD"
	attribute ebas_zero_negative_values = "Zero values may appear if the concentration is under limit of detection"
	attribute ebas_zero_negative_values_code = "Zero possible"
	attribute missing_value = nan
	attribute standard_name = "mole_fraction_of_nitrogen_monoxide_in_air"
	attribute units = "nmol/mol"
dataset /v_nitrogen_monoxide_nmol_per_mol_perc8413: float64, shape (2184)
	attribute _FillValue = nan
	attribute actris_access_restriction = 0
	attribute actris_framework_preferred_term = "ACTRIS, EMEP, GAW-WDCRG"
	attribute actris_framework_uri = "https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG"
	attribute actris_instrument_type_preferred_term = "chemiluminescence detector, photolytical converter"
	attribute actris_instrument_type_uri = "https://vocabulary.actris.nilu.no/actris_vocab/chemiluminescencedetector-photolyticalconverter"
	attribute actris_matrix_preferred_term = "gas phase"
	attribute actris_matrix_uri = "https://vocabulary.actris.nilu.no/actris_vocab/gasphase"
	attribute actris_temporal_resolution = "PT1H"
	attribute actris_timeliness_preferred_term = "scheduled"
	attribute actris_timeliness_uri = "https://vocabulary.actris.nilu.no/actris_vocab/scheduled"
	attribute actris_variable_preferred_term = "nitric oxide amount fraction"
	attribute actris_variable_uri = "https://vocabulary.actris.nilu.no/actris_vocab/nitricoxideamountfraction"
	attribute ancillary_variables = "qc_nitrogen_monoxide_nmol_per_mol_perc8413 meta_nitrogen_monoxide_nmol_per_mol_perc8413"
	attribute cell_methods = "time: percentile:84.13"
	attribute ebas_acknowledgement = "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment"
	attribute ebas_calibration_standard_id = "Manufacturer: Linde, Batch: 1234567"
	attribute ebas_comment = "SOP WP4_D4.2_M12.pdf ; detection limits NO=0.050 nmol/mol; NO2=0.050 nmol/mol ; converter efficiency=95% ; Blue Light Converter ; Not corrected from baseline converted by TC from FR0030R.20231002000000.20240318160016.chemiluminescence_photolytic.NOx.air.1y.5mn.FR04L_PUY_chem_photo_Teledyne_T200UP-198.FR04L_Teledyne_T200UP_PUY.lev0.nas + FR0030R.20230101000000.20240222091931.uv_abs.ozone.air.1y.5mn.FR04L_uv_abs_Thermo_49i.FR04L_Thermo_49i_PUY.lev1.nas + FR0030R.20230101000000.20240207082924.aws..met.1y.5mn.FR04L_PUY_AWS_Vaisala_NA.FR04L_Vaisala_custom_built_PUY.lev0.nas ,precision, uncertainty, dectection limit not reported, NO offset correction -- Data converted on import into EBAS from 'nmol/mol' to 'ug N/m3' at 273.15 K, 1013.25 hPa, conversion factor 0.62492281. -- Data converted on export from EBAS from 'ug N/m3' at 273.15 K, 1013.25 hPa to 'nmol/mol', conversion factor 1.6001976."
	attribute ebas_component = "nitrogen_monoxide"
	attribute ebas_data_level = "3a"
	attribute ebas_data_license = "https://creativecommons.org/licenses/by/4.0/"
	attribute ebas_detection_limit_expl = "given by instrument constructor"
	attribute ebas_framework_acronym = "ACTRIS, EMEP, GAW-WDCRG"
	attribute ebas_framework_contact_email = "clm@nilu.no, kt@nilu.no, kt@nilu.no"
	attribute ebas_framework_contact_name = "Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth"
	attribute ebas_framework_description = "\"ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.\", The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme."
	attribute ebas_framework_name = "\"European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases\", European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases"
	attribute ebas_humidity_temperaure_control = "Temperature conditioning at 20 deg. C"
	attribute ebas_humidity_temperaure_control_description = "None"
	attribute ebas_inlet_description = "upstream from manifold, tube length=6.5m, flow rate=17l/min"
	attribute ebas_inlet_tube_material = "Teflon"
	attribute ebas_inlet_type = "Hat or hood"
	attribute ebas_instrument_manufacturer = "Teledyne"
	attribute ebas_instrument_model = "T200UP"
	attribute ebas_instrument_name = "PUY_chem_photo_Teledyne_T200UP-198"
	attribute ebas_instrument_serial_number = "T200UP-198"
	attribute ebas_instrument_type = "chemiluminescence_photolytic"
	attribute ebas_laboratory_code = "FR04L"
	attribute ebas_matrix = "air"
	attribute ebas_measurement_height = "12.0 m"
	attribute ebas_measurement_uncertainty_expl = "includes statistical uncertainty of individual sample and calibration uncertainty"
	attribute ebas_method_ref = "FR04L_Teledyne_T200UP_DE20L_NOx_corr_O3_H2O"
	attribute ebas_organization = "FR04L, CNRS-LaMP, , , Campus des Cézeaux, 24 avenue des Landais, 63177, Aubière, France"
	attribute ebas_orig_time_res = "5mn"
	attribute ebas_originator = "\"Colomb, Aurelie, , , , , , , , , \", \"Pichon, Jean-Marc, , , , , , , , , \""
	attribute ebas_ozone_correction = "Corrected for reaction with O3 in the inlet"
	attribute ebas_platform_code = "FR0030S"
	attribute ebas_regime = "IMG"
	attribute ebas_revision_date = "2026-06-25T13:51:28.046758Z"
	attribute ebas_sample_duration = "1h"
	attribute ebas_standard_method = "None"
	attribute ebas_station_altitude = "1465.0 m"
	attribute ebas_station_code = "FR0030R"
	attribute ebas_station_gaw_id = "PUY"
	attribute ebas_station_gaw_name = "Puy de Dôme"
	attribute ebas_station_gaw_type = "G"
	attribute ebas_station_land_use = "Forest"
	attribute ebas_station_latitude = 45.772223
	attribute ebas_station_longitude = 2.964886
	attribute ebas_station_name = "Puy de Dôme"
	attribute ebas_station_other_ids = "FRPUY (SYLVA)"
	attribute ebas_station_setting = "Mountain"
	attribute ebas_station_wmo_region = 6
	attribute ebas_statistics = "percentile:84.13"
	attribute ebas_submitter = "\"Pascal, Nicolas, , , , , , , , , \", \"Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany\""
	attribute ebas_unit = "nmol/mol"
	attribute ebas_version = "1"
	attribute ebas_version_description = "initial revision, manually inspected"
	attribute ebas_water_vapor_correction = "Corrected for water vapor quenching in CLD"
	attribute ebas_zero_negative_values = "Zero values may appear if the concentration is under limit of detection"
	attribute ebas_zero_negative_values_code = "Zero possible"
	attribute missing_value = nan
	attribute standard_name = "mole_fraction_of_nitrogen_monoxide_in_air"
	attribute units = "nmol/mol"
dataset /v_nitrogen_monoxide_nmol_per_mol_prec1587: float64, shape (2184)
	attribute _FillValue = nan
	attribute actris_access_restriction = 0
	attribute actris_framework_preferred_term = "ACTRIS, EMEP, GAW-WDCRG"
	attribute actris_framework_uri = "https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG"
	attribute actris_instrument_type_preferred_term = "chemiluminescence detector, photolytical converter"
	attribute actris_instrument_type_uri = "https://vocabulary.actris.nilu.no/actris_vocab/chemiluminescencedetector-photolyticalconverter"
	attribute actris_matrix_preferred_term = "gas phase"
	attribute actris_matrix_uri = "https://vocabulary.actris.nilu.no/actris_vocab/gasphase"
	attribute actris_temporal_resolution = "PT1H"
	attribute actris_timeliness_preferred_term = "scheduled"
	attribute actris_timeliness_uri = "https://vocabulary.actris.nilu.no/actris_vocab/scheduled"
	attribute actris_variable_preferred_term = "nitric oxide amount fraction"
	attribute actris_variable_uri = "https://vocabulary.actris.nilu.no/actris_vocab/nitricoxideamountfraction"
	attribute ancillary_variables = "qc_nitrogen_monoxide_nmol_per_mol_prec1587 meta_nitrogen_monoxide_nmol_per_mol_prec1587"
	attribute cell_methods = "time: percentile:15.87"
	attribute ebas_acknowledgement = "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment"
	attribute ebas_calibration_standard_id = "Manufacturer: Linde, Batch: 1234567"
	attribute ebas_comment = "SOP WP4_D4.2_M12.pdf ; detection limits NO=0.050 nmol/mol; NO2=0.050 nmol/mol ; converter efficiency=95% ; Blue Light Converter ; Not corrected from baseline converted by TC from FR0030R.20231002000000.20240318160016.chemiluminescence_photolytic.NOx.air.1y.5mn.FR04L_PUY_chem_photo_Teledyne_T200UP-198.FR04L_Teledyne_T200UP_PUY.lev0.nas + FR0030R.20230101000000.20240222091931.uv_abs.ozone.air.1y.5mn.FR04L_uv_abs_Thermo_49i.FR04L_Thermo_49i_PUY.lev1.nas + FR0030R.20230101000000.20240207082924.aws..met.1y.5mn.FR04L_PUY_AWS_Vaisala_NA.FR04L_Vaisala_custom_built_PUY.lev0.nas ,precision, uncertainty, dectection limit not reported, NO offset correction -- Data converted on import into EBAS from 'nmol/mol' to 'ug N/m3' at 273.15 K, 1013.25 hPa, conversion factor 0.62492281. -- Data converted on export from EBAS from 'ug N/m3' at 273.15 K, 1013.25 hPa to 'nmol/mol', conversion factor 1.6001976."
	attribute ebas_component = "nitrogen_monoxide"
	attribute ebas_data_level = "3a"
	attribute ebas_data_license = "https://creativecommons.org/licenses/by/4.0/"
	attribute ebas_detection_limit_expl = "given by instrument constructor"
	attribute ebas_framework_acronym = "ACTRIS, EMEP, GAW-WDCRG"
	attribute ebas_framework_contact_email = "clm@nilu.no, kt@nilu.no, kt@nilu.no"
	attribute ebas_framework_contact_name = "Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth"
	attribute ebas_framework_description = "\"ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.\", The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme."
	attribute ebas_framework_name = "\"European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases\", European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases"
	attribute ebas_humidity_temperaure_control = "Temperature conditioning at 20 deg. C"
	attribute ebas_humidity_temperaure_control_description = "None"
	attribute ebas_inlet_description = "upstream from manifold, tube length=6.5m, flow rate=17l/min"
	attribute ebas_inlet_tube_material = "Teflon"
	attribute ebas_inlet_type = "Hat or hood"
	attribute ebas_instrument_manufacturer = "Teledyne"
	attribute ebas_instrument_model = "T200UP"
	attribute ebas_instrument_name = "PUY_chem_photo_Teledyne_T200UP-198"
	attribute ebas_instrument_serial_number = "T200UP-198"
	attribute ebas_instrument_type = "chemiluminescence_photolytic"
	attribute ebas_laboratory_code = "FR04L"
	attribute ebas_matrix = "air"
	attribute ebas_measurement_height = "12.0 m"
	attribute ebas_measurement_uncertainty_expl = "includes statistical uncertainty of individual sample and calibration uncertainty"
	attribute ebas_method_ref = "FR04L_Teledyne_T200UP_DE20L_NOx_corr_O3_H2O"
	attribute ebas_organization = "FR04L, CNRS-LaMP, , , Campus des Cézeaux, 24 avenue des Landais, 63177, Aubière, France"
	attribute ebas_orig_time_res = "5mn"
	attribute ebas_originator = "\"Colomb, Aurelie, , , , , , , , , \", \"Pichon, Jean-Marc, , , , , , , , , \""
	attribute ebas_ozone_correction = "Corrected for reaction with O3 in the inlet"
	attribute ebas_platform_code = "FR0030S"
	attribute ebas_regime = "IMG"
	attribute ebas_revision_date = "2026-06-25T13:51:28.046758Z"
	attribute ebas_sample_duration = "1h"
	attribute ebas_standard_method = "None"
	attribute ebas_station_altitude = "1465.0 m"
	attribute ebas_station_code = "FR0030R"
	attribute ebas_station_gaw_id = "PUY"
	attribute ebas_station_gaw_name = "Puy de Dôme"
	attribute ebas_station_gaw_type = "G"
	attribute ebas_station_land_use = "Forest"
	attribute ebas_station_latitude = 45.772223
	attribute ebas_station_longitude = 2.964886
	attribute ebas_station_name = "Puy de Dôme"
	attribute ebas_station_other_ids = "FRPUY (SYLVA)"
	attribute ebas_station_setting = "Mountain"
	attribute ebas_station_wmo_region = 6
	attribute ebas_statistics = "percentile:15.87"
	attribute ebas_submitter = "\"Pascal, Nicolas, , , , , , , , , \", \"Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany\""
	attribute ebas_unit = "nmol/mol"
	attribute ebas_version = "1"
	attribute ebas_version_description = "initial revision, manually inspected"
	attribute ebas_water_vapor_correction = "Corrected for water vapor quenching in CLD"
	attribute ebas_zero_negative_values = "Zero values may appear if the concentration is under limit of detection"
	attribute ebas_zero_negative_values_code = "Zero possible"
	attribute missing_value = nan
	attribute standard_name = "mole_fraction_of_nitrogen_monoxide_in_air"
	attribute units = "nmol/mol"
dataset /v_nitrogen_monoxide_nmol_per_mol_stddev: float64, shape (2184)
	attribute _FillValue = nan
	attribute actris_access_restriction = 0
	attribute actris_framework_preferred_term = "ACTRIS, EMEP, GAW-WDCRG"
	attribute actris_framework_uri = "https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG"
	attribute actris_instrument_type_preferred_term = "chemiluminescence detector, photolytical converter"
	attribute actris_instrument_type_uri = "https://vocabulary.actris.nilu.no/actris_vocab/chemiluminescencedetector-photolyticalconverter"
	attribute actris_matrix_preferred_term = "gas phase"
	attribute actris_matrix_uri = "https://vocabulary.actris.nilu.no/actris_vocab/gasphase"
	attribute actris_temporal_resolution = "PT1H"
	attribute actris_timeliness_preferred_term = "scheduled"
	attribute actris_timeliness_uri = "https://vocabulary.actris.nilu.no/actris_vocab/scheduled"
	attribute actris_variable_preferred_term = "nitric oxide amount fraction"
	attribute actris_variable_uri = "https://vocabulary.actris.nilu.no/actris_vocab/nitricoxideamountfraction"
	attribute ancillary_variables = "qc_nitrogen_monoxide_nmol_per_mol_stddev meta_nitrogen_monoxide_nmol_per_mol_stddev"
	attribute cell_methods = "time: standard_deviation"
	attribute ebas_acknowledgement = "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment"
	attribute ebas_calibration_standard_id = "Manufacturer: Linde, Batch: 1234567"
	attribute ebas_comment = "SOP WP4_D4.2_M12.pdf ; detection limits NO=0.050 nmol/mol; NO2=0.050 nmol/mol ; converter efficiency=95% ; Blue Light Converter ; Not corrected from baseline converted by TC from FR0030R.20231002000000.20240318160016.chemiluminescence_photolytic.NOx.air.1y.5mn.FR04L_PUY_chem_photo_Teledyne_T200UP-198.FR04L_Teledyne_T200UP_PUY.lev0.nas + FR0030R.20230101000000.20240222091931.uv_abs.ozone.air.1y.5mn.FR04L_uv_abs_Thermo_49i.FR04L_Thermo_49i_PUY.lev1.nas + FR0030R.20230101000000.20240207082924.aws..met.1y.5mn.FR04L_PUY_AWS_Vaisala_NA.FR04L_Vaisala_custom_built_PUY.lev0.nas ,precision, uncertainty, dectection limit not reported, NO offset correction -- Data converted on import into EBAS from 'nmol/mol' to 'ug N/m3' at 273.15 K, 1013.25 hPa, conversion factor 0.62492281. -- Data converted on export from EBAS from 'ug N/m3' at 273.15 K, 1013.25 hPa to 'nmol/mol', conversion factor 1.6001976."
	attribute ebas_component = "nitrogen_monoxide"
	attribute ebas_data_level = "3a"
	attribute ebas_data_license = "https://creativecommons.org/licenses/by/4.0/"
	attribute ebas_detection_limit_expl = "given by instrument constructor"
	attribute ebas_framework_acronym = "ACTRIS, EMEP, GAW-WDCRG"
	attribute ebas_framework_contact_email = "clm@nilu.no, kt@nilu.no, kt@nilu.no"
	attribute ebas_framework_contact_name = "Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth"
	attribute ebas_framework_description = "\"ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.\", The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme."
	attribute ebas_framework_name = "\"European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases\", European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases"
	attribute ebas_humidity_temperaure_control = "Temperature conditioning at 20 deg. C"
	attribute ebas_humidity_temperaure_control_description = "None"
	attribute ebas_inlet_description = "upstream from manifold, tube length=6.5m, flow rate=17l/min"
	attribute ebas_inlet_tube_material = "Teflon"
	attribute ebas_inlet_type = "Hat or hood"
	attribute ebas_instrument_manufacturer = "Teledyne"
	attribute ebas_instrument_model = "T200UP"
	attribute ebas_instrument_name = "PUY_chem_photo_Teledyne_T200UP-198"
	attribute ebas_instrument_serial_number = "T200UP-198"
	attribute ebas_instrument_type = "chemiluminescence_photolytic"
	attribute ebas_laboratory_code = "FR04L"
	attribute ebas_matrix = "air"
	attribute ebas_measurement_height = "12.0 m"
	attribute ebas_measurement_uncertainty_expl = "includes statistical uncertainty of individual sample and calibration uncertainty"
	attribute ebas_method_ref = "FR04L_Teledyne_T200UP_DE20L_NOx_corr_O3_H2O"
	attribute ebas_organization = "FR04L, CNRS-LaMP, , , Campus des Cézeaux, 24 avenue des Landais, 63177, Aubière, France"
	attribute ebas_orig_time_res = "5mn"
	attribute ebas_originator = "\"Colomb, Aurelie, , , , , , , , , \", \"Pichon, Jean-Marc, , , , , , , , , \""
	attribute ebas_ozone_correction = "Corrected for reaction with O3 in the inlet"
	attribute ebas_platform_code = "FR0030S"
	attribute ebas_regime = "IMG"
	attribute ebas_revision_date = "2026-06-25T13:51:28.046758Z"
	attribute ebas_sample_duration = "1h"
	attribute ebas_standard_method = "None"
	attribute ebas_station_altitude = "1465.0 m"
	attribute ebas_station_code = "FR0030R"
	attribute ebas_station_gaw_id = "PUY"
	attribute ebas_station_gaw_name = "Puy de Dôme"
	attribute ebas_station_gaw_type = "G"
	attribute ebas_station_land_use = "Forest"
	attribute ebas_station_latitude = 45.772223
	attribute ebas_station_longitude = 2.964886
	attribute ebas_station_name = "Puy de Dôme"
	attribute ebas_station_other_ids = "FRPUY (SYLVA)"
	attribute ebas_station_setting = "Mountain"
	attribute ebas_station_wmo_region = 6
	attribute ebas_statistics = "stddev"
	attribute ebas_submitter = "\"Pascal, Nicolas, , , , , , , , , \", \"Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany\""
	attribute ebas_unit = "nmol/mol"
	attribute ebas_version = "1"
	attribute ebas_version_description = "initial revision, manually inspected"
	attribute ebas_water_vapor_correction = "Corrected for water vapor quenching in CLD"
	attribute ebas_zero_negative_values = "Zero values may appear if the concentration is under limit of detection"
	attribute ebas_zero_negative_values_code = "Zero possible"
	attribute missing_value = nan
	attribute standard_name = "mole_fraction_of_nitrogen_monoxide_in_air"
	attribute units = "nmol/mol"
dataset /v_nitrogen_monoxide_ug_N_per_m3_amean: float64, shape (2184)
	attribute _FillValue = nan
	attribute actris_access_restriction = 0
	attribute actris_constraints_preferred_term = "expressed as nitrogen"
	attribute actris_constraints_uri = "https://vocabulary.actris.nilu.no/actris_vocab/expressedasnitrogen"
	attribute actris_framework_preferred_term = "ACTRIS, EMEP, GAW-WDCRG"
	attribute actris_framework_uri = "https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG"
	attribute actris_instrument_type_preferred_term = "chemiluminescence detector, photolytical converter"
	attribute actris_instrument_type_uri = "https://vocabulary.actris.nilu.no/actris_vocab/chemiluminescencedetector-photolyticalconverter"
	attribute actris_matrix_preferred_term = "gas phase"
	attribute actris_matrix_uri = "https://vocabulary.actris.nilu.no/actris_vocab/gasphase"
	attribute actris_temporal_resolution = "PT1H"
	attribute actris_timeliness_preferred_term = "scheduled"
	attribute actris_timeliness_uri = "https://vocabulary.actris.nilu.no/actris_vocab/scheduled"
	attribute actris_variable_preferred_term = "nitric oxide mass concentration"
	attribute actris_variable_uri = "https://vocabulary.actris.nilu.no/actris_vocab/nitricoxidemassconcentration"
	attribute ancillary_variables = "qc_nitrogen_monoxide_ug_N_per_m3_amean meta_nitrogen_monoxide_ug_N_per_m3_amean"
	attribute cell_methods = "time: mean"
	attribute ebas_acknowledgement = "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment"
	attribute ebas_calibration_standard_id = "Manufacturer: Linde, Batch: 1234567"
	attribute ebas_comment = "SOP WP4_D4.2_M12.pdf ; detection limits NO=0.050 nmol/mol; NO2=0.050 nmol/mol ; converter efficiency=95% ; Blue Light Converter ; Not corrected from baseline converted by TC from FR0030R.20231002000000.20240318160016.chemiluminescence_photolytic.NOx.air.1y.5mn.FR04L_PUY_chem_photo_Teledyne_T200UP-198.FR04L_Teledyne_T200UP_PUY.lev0.nas + FR0030R.20230101000000.20240222091931.uv_abs.ozone.air.1y.5mn.FR04L_uv_abs_Thermo_49i.FR04L_Thermo_49i_PUY.lev1.nas + FR0030R.20230101000000.20240207082924.aws..met.1y.5mn.FR04L_PUY_AWS_Vaisala_NA.FR04L_Vaisala_custom_built_PUY.lev0.nas ,precision, uncertainty, dectection limit not reported, NO offset correction -- Data converted on import into EBAS from 'nmol/mol' to 'ug N/m3' at 273.15 K, 1013.25 hPa, conversion factor 0.62492281."
	attribute ebas_component = "nitrogen_monoxide"
	attribute ebas_data_level = "3a"
	attribute ebas_data_license = "https://creativecommons.org/licenses/by/4.0/"
	attribute ebas_detection_limit_expl = "given by instrument constructor"
	attribute ebas_framework_acronym = "ACTRIS, EMEP, GAW-WDCRG"
	attribute ebas_framework_contact_email = "clm@nilu.no, kt@nilu.no, kt@nilu.no"
	attribute ebas_framework_contact_name = "Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth"
	attribute ebas_framework_description = "\"ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.\", The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme."
	attribute ebas_framework_name = "\"European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases\", European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases"
	attribute ebas_humidity_temperaure_control = "Temperature conditioning at 20 deg. C"
	attribute ebas_humidity_temperaure_control_description = "None"
	attribute ebas_inlet_description = "upstream from manifold, tube length=6.5m, flow rate=17l/min"
	attribute ebas_inlet_tube_material = "Teflon"
	attribute ebas_inlet_type = "Hat or hood"
	attribute ebas_instrument_manufacturer = "Teledyne"
	attribute ebas_instrument_model = "T200UP"
	attribute ebas_instrument_name = "PUY_chem_photo_Teledyne_T200UP-198"
	attribute ebas_instrument_serial_number = "T200UP-198"
	attribute ebas_instrument_type = "chemiluminescence_photolytic"
	attribute ebas_laboratory_code = "FR04L"
	attribute ebas_matrix = "air"
	attribute ebas_measurement_height = "12.0 m"
	attribute ebas_measurement_uncertainty_expl = "includes statistical uncertainty of individual sample and calibration uncertainty"
	attribute ebas_method_ref = "FR04L_Teledyne_T200UP_DE20L_NOx_corr_O3_H2O"
	attribute ebas_organization = "FR04L, CNRS-LaMP, , , Campus des Cézeaux, 24 avenue des Landais, 63177, Aubière, France"
	attribute ebas_orig_time_res = "5mn"
	attribute ebas_originator = "\"Colomb, Aurelie, , , , , , , , , \", \"Pichon, Jean-Marc, , , , , , , , , \""
	attribute ebas_ozone_correction = "Corrected for reaction with O3 in the inlet"
	attribute ebas_platform_code = "FR0030S"
	attribute ebas_regime = "IMG"
	attribute ebas_revision_date = "2026-06-25T13:51:28.046758Z"
	attribute ebas_sample_duration = "1h"
	attribute ebas_standard_method = "None"
	attribute ebas_station_altitude = "1465.0 m"
	attribute ebas_station_code = "FR0030R"
	attribute ebas_station_gaw_id = "PUY"
	attribute ebas_station_gaw_name = "Puy de Dôme"
	attribute ebas_station_gaw_type = "G"
	attribute ebas_station_land_use = "Forest"
	attribute ebas_station_latitude = 45.772223
	attribute ebas_station_longitude = 2.964886
	attribute ebas_station_name = "Puy de Dôme"
	attribute ebas_station_other_ids = "FRPUY (SYLVA)"
	attribute ebas_station_setting = "Mountain"
	attribute ebas_station_wmo_region = 6
	attribute ebas_statistics = "arithmetic mean"
	attribute ebas_submitter = "\"Pascal, Nicolas, , , , , , , , , \", \"Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany\""
	attribute ebas_unit = "ug N/m3"
	attribute ebas_version = "1"
	attribute ebas_version_description = "initial revision, manually inspected"
	attribute ebas_volume_std_pressure = "1013.25 hPa"
	attribute ebas_volume_std_temperature = "273.15 K"
	attribute ebas_water_vapor_correction = "Corrected for water vapor quenching in CLD"
	attribute ebas_zero_negative_values = "Zero values may appear if the concentration is under limit of detection"
	attribute ebas_zero_negative_values_code = "Zero possible"
	attribute missing_value = nan
	attribute standard_name = "mass_concentration_of_nitrogen_monoxide_expressed_as_nitrogen_in_air"
	attribute units = "ug/m3"
dataset /v_nitrogen_monoxide_ug_N_per_m3_perc8413: float64, shape (2184)
	attribute _FillValue = nan
	attribute actris_access_restriction = 0
	attribute actris_constraints_preferred_term = "expressed as nitrogen"
	attribute actris_constraints_uri = "https://vocabulary.actris.nilu.no/actris_vocab/expressedasnitrogen"
	attribute actris_framework_preferred_term = "ACTRIS, EMEP, GAW-WDCRG"
	attribute actris_framework_uri = "https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG"
	attribute actris_instrument_type_preferred_term = "chemiluminescence detector, photolytical converter"
	attribute actris_instrument_type_uri = "https://vocabulary.actris.nilu.no/actris_vocab/chemiluminescencedetector-photolyticalconverter"
	attribute actris_matrix_preferred_term = "gas phase"
	attribute actris_matrix_uri = "https://vocabulary.actris.nilu.no/actris_vocab/gasphase"
	attribute actris_temporal_resolution = "PT1H"
	attribute actris_timeliness_preferred_term = "scheduled"
	attribute actris_timeliness_uri = "https://vocabulary.actris.nilu.no/actris_vocab/scheduled"
	attribute actris_variable_preferred_term = "nitric oxide mass concentration"
	attribute actris_variable_uri = "https://vocabulary.actris.nilu.no/actris_vocab/nitricoxidemassconcentration"
	attribute ancillary_variables = "qc_nitrogen_monoxide_ug_N_per_m3_perc8413 meta_nitrogen_monoxide_ug_N_per_m3_perc8413"
	attribute cell_methods = "time: percentile:84.13"
	attribute ebas_acknowledgement = "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment"
	attribute ebas_calibration_standard_id = "Manufacturer: Linde, Batch: 1234567"
	attribute ebas_comment = "SOP WP4_D4.2_M12.pdf ; detection limits NO=0.050 nmol/mol; NO2=0.050 nmol/mol ; converter efficiency=95% ; Blue Light Converter ; Not corrected from baseline converted by TC from FR0030R.20231002000000.20240318160016.chemiluminescence_photolytic.NOx.air.1y.5mn.FR04L_PUY_chem_photo_Teledyne_T200UP-198.FR04L_Teledyne_T200UP_PUY.lev0.nas + FR0030R.20230101000000.20240222091931.uv_abs.ozone.air.1y.5mn.FR04L_uv_abs_Thermo_49i.FR04L_Thermo_49i_PUY.lev1.nas + FR0030R.20230101000000.20240207082924.aws..met.1y.5mn.FR04L_PUY_AWS_Vaisala_NA.FR04L_Vaisala_custom_built_PUY.lev0.nas ,precision, uncertainty, dectection limit not reported, NO offset correction -- Data converted on import into EBAS from 'nmol/mol' to 'ug N/m3' at 273.15 K, 1013.25 hPa, conversion factor 0.62492281."
	attribute ebas_component = "nitrogen_monoxide"
	attribute ebas_data_level = "3a"
	attribute ebas_data_license = "https://creativecommons.org/licenses/by/4.0/"
	attribute ebas_detection_limit_expl = "given by instrument constructor"
	attribute ebas_framework_acronym = "ACTRIS, EMEP, GAW-WDCRG"
	attribute ebas_framework_contact_email = "clm@nilu.no, kt@nilu.no, kt@nilu.no"
	attribute ebas_framework_contact_name = "Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth"
	attribute ebas_framework_description = "\"ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.\", The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme."
	attribute ebas_framework_name = "\"European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases\", European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases"
	attribute ebas_humidity_temperaure_control = "Temperature conditioning at 20 deg. C"
	attribute ebas_humidity_temperaure_control_description = "None"
	attribute ebas_inlet_description = "upstream from manifold, tube length=6.5m, flow rate=17l/min"
	attribute ebas_inlet_tube_material = "Teflon"
	attribute ebas_inlet_type = "Hat or hood"
	attribute ebas_instrument_manufacturer = "Teledyne"
	attribute ebas_instrument_model = "T200UP"
	attribute ebas_instrument_name = "PUY_chem_photo_Teledyne_T200UP-198"
	attribute ebas_instrument_serial_number = "T200UP-198"
	attribute ebas_instrument_type = "chemiluminescence_photolytic"
	attribute ebas_laboratory_code = "FR04L"
	attribute ebas_matrix = "air"
	attribute ebas_measurement_height = "12.0 m"
	attribute ebas_measurement_uncertainty_expl = "includes statistical uncertainty of individual sample and calibration uncertainty"
	attribute ebas_method_ref = "FR04L_Teledyne_T200UP_DE20L_NOx_corr_O3_H2O"
	attribute ebas_organization = "FR04L, CNRS-LaMP, , , Campus des Cézeaux, 24 avenue des Landais, 63177, Aubière, France"
	attribute ebas_orig_time_res = "5mn"
	attribute ebas_originator = "\"Colomb, Aurelie, , , , , , , , , \", \"Pichon, Jean-Marc, , , , , , , , , \""
	attribute ebas_ozone_correction = "Corrected for reaction with O3 in the inlet"
	attribute ebas_platform_code = "FR0030S"
	attribute ebas_regime = "IMG"
	attribute ebas_revision_date = "2026-06-25T13:51:28.046758Z"
	attribute ebas_sample_duration = "1h"
	attribute ebas_standard_method = "None"
	attribute ebas_station_altitude = "1465.0 m"
	attribute ebas_station_code = "FR0030R"
	attribute ebas_station_gaw_id = "PUY"
	attribute ebas_station_gaw_name = "Puy de Dôme"
	attribute ebas_station_gaw_type = "G"
	attribute ebas_station_land_use = "Forest"
	attribute ebas_station_latitude = 45.772223
	attribute ebas_station_longitude = 2.964886
	attribute ebas_station_name = "Puy de Dôme"
	attribute ebas_station_other_ids = "FRPUY (SYLVA)"
	attribute ebas_station_setting = "Mountain"
	attribute ebas_station_wmo_region = 6
	attribute ebas_statistics = "percentile:84.13"
	attribute ebas_submitter = "\"Pascal, Nicolas, , , , , , , , , \", \"Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany\""
	attribute ebas_unit = "ug N/m3"
	attribute ebas_version = "1"
	attribute ebas_version_description = "initial revision, manually inspected"
	attribute ebas_volume_std_pressure = "1013.25 hPa"
	attribute ebas_volume_std_temperature = "273.15 K"
	attribute ebas_water_vapor_correction = "Corrected for water vapor quenching in CLD"
	attribute ebas_zero_negative_values = "Zero values may appear if the concentration is under limit of detection"
	attribute ebas_zero_negative_values_code = "Zero possible"
	attribute missing_value = nan
	attribute standard_name = "mass_concentration_of_nitrogen_monoxide_expressed_as_nitrogen_in_air"
	attribute units = "ug/m3"
dataset /v_nitrogen_monoxide_ug_N_per_m3_prec1587: float64, shape (2184)
	attribute _FillValue = nan
	attribute actris_access_restriction = 0
	attribute actris_constraints_preferred_term = "expressed as nitrogen"
	attribute actris_constraints_uri = "https://vocabulary.actris.nilu.no/actris_vocab/expressedasnitrogen"
	attribute actris_framework_preferred_term = "ACTRIS, EMEP, GAW-WDCRG"
	attribute actris_framework_uri = "https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG"
	attribute actris_instrument_type_preferred_term = "chemiluminescence detector, photolytical converter"
	attribute actris_instrument_type_uri = "https://vocabulary.actris.nilu.no/actris_vocab/chemiluminescencedetector-photolyticalconverter"
	attribute actris_matrix_preferred_term = "gas phase"
	attribute actris_matrix_uri = "https://vocabulary.actris.nilu.no/actris_vocab/gasphase"
	attribute actris_temporal_resolution = "PT1H"
	attribute actris_timeliness_preferred_term = "scheduled"
	attribute actris_timeliness_uri = "https://vocabulary.actris.nilu.no/actris_vocab/scheduled"
	attribute actris_variable_preferred_term = "nitric oxide mass concentration"
	attribute actris_variable_uri = "https://vocabulary.actris.nilu.no/actris_vocab/nitricoxidemassconcentration"
	attribute ancillary_variables = "qc_nitrogen_monoxide_ug_N_per_m3_prec1587 meta_nitrogen_monoxide_ug_N_per_m3_prec1587"
	attribute cell_methods = "time: percentile:15.87"
	attribute ebas_acknowledgement = "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment"
	attribute ebas_calibration_standard_id = "Manufacturer: Linde, Batch: 1234567"
	attribute ebas_comment = "SOP WP4_D4.2_M12.pdf ; detection limits NO=0.050 nmol/mol; NO2=0.050 nmol/mol ; converter efficiency=95% ; Blue Light Converter ; Not corrected from baseline converted by TC from FR0030R.20231002000000.20240318160016.chemiluminescence_photolytic.NOx.air.1y.5mn.FR04L_PUY_chem_photo_Teledyne_T200UP-198.FR04L_Teledyne_T200UP_PUY.lev0.nas + FR0030R.20230101000000.20240222091931.uv_abs.ozone.air.1y.5mn.FR04L_uv_abs_Thermo_49i.FR04L_Thermo_49i_PUY.lev1.nas + FR0030R.20230101000000.20240207082924.aws..met.1y.5mn.FR04L_PUY_AWS_Vaisala_NA.FR04L_Vaisala_custom_built_PUY.lev0.nas ,precision, uncertainty, dectection limit not reported, NO offset correction -- Data converted on import into EBAS from 'nmol/mol' to 'ug N/m3' at 273.15 K, 1013.25 hPa, conversion factor 0.62492281."
	attribute ebas_component = "nitrogen_monoxide"
	attribute ebas_data_level = "3a"
	attribute ebas_data_license = "https://creativecommons.org/licenses/by/4.0/"
	attribute ebas_detection_limit_expl = "given by instrument constructor"
	attribute ebas_framework_acronym = "ACTRIS, EMEP, GAW-WDCRG"
	attribute ebas_framework_contact_email = "clm@nilu.no, kt@nilu.no, kt@nilu.no"
	attribute ebas_framework_contact_name = "Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth"
	attribute ebas_framework_description = "\"ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.\", The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme."
	attribute ebas_framework_name = "\"European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases\", European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases"
	attribute ebas_humidity_temperaure_control = "Temperature conditioning at 20 deg. C"
	attribute ebas_humidity_temperaure_control_description = "None"
	attribute ebas_inlet_description = "upstream from manifold, tube length=6.5m, flow rate=17l/min"
	attribute ebas_inlet_tube_material = "Teflon"
	attribute ebas_inlet_type = "Hat or hood"
	attribute ebas_instrument_manufacturer = "Teledyne"
	attribute ebas_instrument_model = "T200UP"
	attribute ebas_instrument_name = "PUY_chem_photo_Teledyne_T200UP-198"
	attribute ebas_instrument_serial_number = "T200UP-198"
	attribute ebas_instrument_type = "chemiluminescence_photolytic"
	attribute ebas_laboratory_code = "FR04L"
	attribute ebas_matrix = "air"
	attribute ebas_measurement_height = "12.0 m"
	attribute ebas_measurement_uncertainty_expl = "includes statistical uncertainty of individual sample and calibration uncertainty"
	attribute ebas_method_ref = "FR04L_Teledyne_T200UP_DE20L_NOx_corr_O3_H2O"
	attribute ebas_organization = "FR04L, CNRS-LaMP, , , Campus des Cézeaux, 24 avenue des Landais, 63177, Aubière, France"
	attribute ebas_orig_time_res = "5mn"
	attribute ebas_originator = "\"Colomb, Aurelie, , , , , , , , , \", \"Pichon, Jean-Marc, , , , , , , , , \""
	attribute ebas_ozone_correction = "Corrected for reaction with O3 in the inlet"
	attribute ebas_platform_code = "FR0030S"
	attribute ebas_regime = "IMG"
	attribute ebas_revision_date = "2026-06-25T13:51:28.046758Z"
	attribute ebas_sample_duration = "1h"
	attribute ebas_standard_method = "None"
	attribute ebas_station_altitude = "1465.0 m"
	attribute ebas_station_code = "FR0030R"
	attribute ebas_station_gaw_id = "PUY"
	attribute ebas_station_gaw_name = "Puy de Dôme"
	attribute ebas_station_gaw_type = "G"
	attribute ebas_station_land_use = "Forest"
	attribute ebas_station_latitude = 45.772223
	attribute ebas_station_longitude = 2.964886
	attribute ebas_station_name = "Puy de Dôme"
	attribute ebas_station_other_ids = "FRPUY (SYLVA)"
	attribute ebas_station_setting = "Mountain"
	attribute ebas_station_wmo_region = 6
	attribute ebas_statistics = "percentile:15.87"
	attribute ebas_submitter = "\"Pascal, Nicolas, , , , , , , , , \", \"Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany\""
	attribute ebas_unit = "ug N/m3"
	attribute ebas_version = "1"
	attribute ebas_version_description = "initial revision, manually inspected"
	attribute ebas_volume_std_pressure = "1013.25 hPa"
	attribute ebas_volume_std_temperature = "273.15 K"
	attribute ebas_water_vapor_correction = "Corrected for water vapor quenching in CLD"
	attribute ebas_zero_negative_values = "Zero values may appear if the concentration is under limit of detection"
	attribute ebas_zero_negative_values_code = "Zero possible"
	attribute missing_value = nan
	attribute standard_name = "mass_concentration_of_nitrogen_monoxide_expressed_as_nitrogen_in_air"
	attribute units = "ug/m3"
dataset /v_nitrogen_monoxide_ug_N_per_m3_stddev: float64, shape (2184)
	attribute _FillValue = nan
	attribute actris_access_restriction = 0
	attribute actris_constraints_preferred_term = "expressed as nitrogen"
	attribute actris_constraints_uri = "https://vocabulary.actris.nilu.no/actris_vocab/expressedasnitrogen"
	attribute actris_framework_preferred_term = "ACTRIS, EMEP, GAW-WDCRG"
	attribute actris_framework_uri = "https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG"
	attribute actris_instrument_type_preferred_term = "chemiluminescence detector, photolytical converter"
	attribute actris_instrument_type_uri = "https://vocabulary.actris.nilu.no/actris_vocab/chemiluminescencedetector-photolyticalconverter"
	attribute actris_matrix_preferred_term = "gas phase"
	attribute actris_matrix_uri = "https://vocabulary.actris.nilu.no/actris_vocab/gasphase"
	attribute actris_temporal_resolution = "PT1H"
	attribute actris_timeliness_preferred_term = "scheduled"
	attribute actris_timeliness_uri = "https://vocabulary.actris.nilu.no/actris_vocab/scheduled"
	attribute actris_variable_preferred_term = "nitric oxide mass concentration"
	attribute actris_variable_uri = "https://vocabulary.actris.nilu.no/actris_vocab/nitricoxidemassconcentration"
	attribute ancillary_variables = "qc_nitrogen_monoxide_ug_N_per_m3_stddev meta_nitrogen_monoxide_ug_N_per_m3_stddev"
	attribute cell_methods = "time: standard_deviation"
	attribute ebas_acknowledgement = "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment"
	attribute ebas_calibration_standard_id = "Manufacturer: Linde, Batch: 1234567"
	attribute ebas_comment = "SOP WP4_D4.2_M12.pdf ; detection limits NO=0.050 nmol/mol; NO2=0.050 nmol/mol ; converter efficiency=95% ; Blue Light Converter ; Not corrected from baseline converted by TC from FR0030R.20231002000000.20240318160016.chemiluminescence_photolytic.NOx.air.1y.5mn.FR04L_PUY_chem_photo_Teledyne_T200UP-198.FR04L_Teledyne_T200UP_PUY.lev0.nas + FR0030R.20230101000000.20240222091931.uv_abs.ozone.air.1y.5mn.FR04L_uv_abs_Thermo_49i.FR04L_Thermo_49i_PUY.lev1.nas + FR0030R.20230101000000.20240207082924.aws..met.1y.5mn.FR04L_PUY_AWS_Vaisala_NA.FR04L_Vaisala_custom_built_PUY.lev0.nas ,precision, uncertainty, dectection limit not reported, NO offset correction -- Data converted on import into EBAS from 'nmol/mol' to 'ug N/m3' at 273.15 K, 1013.25 hPa, conversion factor 0.62492281."
	attribute ebas_component = "nitrogen_monoxide"
	attribute ebas_data_level = "3a"
	attribute ebas_data_license = "https://creativecommons.org/licenses/by/4.0/"
	attribute ebas_detection_limit_expl = "given by instrument constructor"
	attribute ebas_framework_acronym = "ACTRIS, EMEP, GAW-WDCRG"
	attribute ebas_framework_contact_email = "clm@nilu.no, kt@nilu.no, kt@nilu.no"
	attribute ebas_framework_contact_name = "Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth"
	attribute ebas_framework_description = "\"ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.\", The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme."
	attribute ebas_framework_name = "\"European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases\", European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases"
	attribute ebas_humidity_temperaure_control = "Temperature conditioning at 20 deg. C"
	attribute ebas_humidity_temperaure_control_description = "None"
	attribute ebas_inlet_description = "upstream from manifold, tube length=6.5m, flow rate=17l/min"
	attribute ebas_inlet_tube_material = "Teflon"
	attribute ebas_inlet_type = "Hat or hood"
	attribute ebas_instrument_manufacturer = "Teledyne"
	attribute ebas_instrument_model = "T200UP"
	attribute ebas_instrument_name = "PUY_chem_photo_Teledyne_T200UP-198"
	attribute ebas_instrument_serial_number = "T200UP-198"
	attribute ebas_instrument_type = "chemiluminescence_photolytic"
	attribute ebas_laboratory_code = "FR04L"
	attribute ebas_matrix = "air"
	attribute ebas_measurement_height = "12.0 m"
	attribute ebas_measurement_uncertainty_expl = "includes statistical uncertainty of individual sample and calibration uncertainty"
	attribute ebas_method_ref = "FR04L_Teledyne_T200UP_DE20L_NOx_corr_O3_H2O"
	attribute ebas_organization = "FR04L, CNRS-LaMP, , , Campus des Cézeaux, 24 avenue des Landais, 63177, Aubière, France"
	attribute ebas_orig_time_res = "5mn"
	attribute ebas_originator = "\"Colomb, Aurelie, , , , , , , , , \", \"Pichon, Jean-Marc, , , , , , , , , \""
	attribute ebas_ozone_correction = "Corrected for reaction with O3 in the inlet"
	attribute ebas_platform_code = "FR0030S"
	attribute ebas_regime = "IMG"
	attribute ebas_revision_date = "2026-06-25T13:51:28.046758Z"
	attribute ebas_sample_duration = "1h"
	attribute ebas_standard_method = "None"
	attribute ebas_station_altitude = "1465.0 m"
	attribute ebas_station_code = "FR0030R"
	attribute ebas_station_gaw_id = "PUY"
	attribute ebas_station_gaw_name = "Puy de Dôme"
	attribute ebas_station_gaw_type = "G"
	attribute ebas_station_land_use = "Forest"
	attribute ebas_station_latitude = 45.772223
	attribute ebas_station_longitude = 2.964886
	attribute ebas_station_name = "Puy de Dôme"
	attribute ebas_station_other_ids = "FRPUY (SYLVA)"
	attribute ebas_station_setting = "Mountain"
	attribute ebas_station_wmo_region = 6
	attribute ebas_statistics = "stddev"
	attribute ebas_submitter = "\"Pascal, Nicolas, , , , , , , , , \", \"Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany\""
	attribute ebas_unit = "ug N/m3"
	attribute ebas_version = "1"
	attribute ebas_version_description = "initial revision, manually inspected"
	attribute ebas_volume_std_pressure = "1013.25 hPa"
	attribute ebas_volume_std_temperature = "273.15 K"
	attribute ebas_water_vapor_correction = "Corrected for water vapor quenching in CLD"
	attribute ebas_zero_negative_values = "Zero values may appear if the concentration is under limit of detection"
	attribute ebas_zero_negative_values_code = "Zero possible"
	attribute missing_value = nan
	attribute standard_name = "mass_concentration_of_nitrogen_monoxide_expressed_as_nitrogen_in_air"
	attribute units = "ug/m3"