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  <attribute name="title" value="Nitrogen oxides at Puy de Dôme" />
  <attribute name="summary" value="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 name="keywords" value="&quot;Puy de Dôme&quot; 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 name="id" value="E3JJ-P9PJ.nc" />
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  <attribute name="acknowledgement" value="" />
  <attribute name="doi" value="https://doi.org/10.48597/E3JJ-P9PJ" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="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/E3JJ-P9PJ" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="FR04L CNRS-LaMP &quot;Campus des Cézeaux&quot; &quot;24 avenue des Landais&quot; 63177 Aubière France" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2026-06-25T13:49:04.784391Z" />
  <attribute name="date_metadata_modified" value="2026-06-25T13:44:17Z" />
  <attribute name="creator_name" value="Aurelie Colomb, Jean-Marc Pichon" />
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  <attribute name="creator_institution" value=", " />
  <attribute name="contributor_name" value="Nicolas Pascal" />
  <attribute name="contributor_role" value="data submitter" />
  <attribute name="publisher_type" value="institution" />
  <attribute name="publisher_name" value="NILU - Norwegian Institute for Air Research, ATMOS, EBAS" />
  <attribute name="publisher_institution" value="NILU - Norwegian Institute for Air Research, ATMOS, EBAS" />
  <attribute name="publisher_email" value="ebas@nilu.no" />
  <attribute name="publisher_url" value="https://www.nilu.no/" />
  <attribute name="geospatial_bounds" value="POINT Z (2.964886 45.772223 1465)" />
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  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <attribute name="time_coverage_start" value="2023-10-02T00:00:00Z" />
  <attribute name="time_coverage_end" value="2025-01-01T00:00:00Z" />
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  <attribute name="timezone" value="UTC" />
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  <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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  <attribute name="ebas_startdate" value="2023-10-02T00:00:00.000000Z" />
  <attribute name="ebas_revision_date" value="2026-06-25T13:44:17.817298Z" />
  <attribute name="ebas_version" value="1" />
  <attribute name="ebas_version_description" value="initial revision, manually inspected" />
  <attribute name="ebas_data_level" value="2" />
  <attribute name="ebas_period_code" value="15mo" />
  <attribute name="ebas_resolution_code" value="1h" />
  <attribute name="ebas_sample_duration" value="1h" />
  <attribute name="ebas_orig_time_res" value="5mn" />
  <attribute name="ebas_station_code" value="FR0030R" />
  <attribute name="ebas_platform_code" value="FR0030S" />
  <attribute name="ebas_station_name" value="Puy de Dôme" />
  <attribute name="ebas_station_gaw_id" value="PUY" />
  <attribute name="ebas_station_gaw_name" value="Puy de Dôme" />
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  <attribute name="ebas_station_setting" value="Mountain" />
  <attribute name="ebas_station_gaw_type" value="G" />
  <attribute name="ebas_station_wmo_region" type="long" value="6" />
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  <attribute name="ebas_station_altitude" value="1465.0 m" />
  <attribute name="ebas_measurement_height" value="12.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_matrix" value="air" />
  <attribute name="ebas_laboratory_code" value="FR04L" />
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  <attribute name="ebas_instrument_name" value="PUY_chem_photo_Teledyne_T200UP-198" />
  <attribute name="ebas_instrument_manufacturer" value="Teledyne" />
  <attribute name="ebas_instrument_model" value="T200UP" />
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  <attribute name="ebas_method_ref" value="FR04L_Teledyne_T200UP_DE20L_NOx_corr_offset" />
  <attribute name="ebas_standard_method" value="None" />
  <attribute name="ebas_inlet_type" value="Hat or hood" />
  <attribute name="ebas_inlet_description" value="upstream from manifold, tube length=6.5m, flow rate=17l/min" />
  <attribute name="ebas_inlet_tube_material" value="Teflon" />
  <attribute name="ebas_ozone_correction" value="Not corrected for reaction with O3 in the inlet" />
  <attribute name="ebas_water_vapor_correction" value="Not corrected for water vapor quenching in CLD" />
  <attribute name="ebas_humidity_temperaure_control" value="Temperature conditioning at 20 deg. C" />
  <attribute name="ebas_humidity_temperaure_control_description" value="None" />
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  <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
  <attribute name="ebas_zero_negative_values" value="Zero values may appear if the concentration is under limit of detection" />
  <attribute name="ebas_organization" value="FR04L, CNRS-LaMP, , , Campus des Cézeaux, 24 avenue des Landais, 63177, Aubière, France" />
  <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
  <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
  <attribute name="ebas_framework_description" value="&quot;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.&quot;, 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 name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
  <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
  <attribute name="ebas_originator" value="&quot;Colomb, Aurelie, , , , , , , , , &quot;, &quot;Pichon, Jean-Marc, , , , , , , , , &quot;" />
  <attribute name="ebas_submitter" value="&quot;Pascal, Nicolas, , , , , , , , , &quot;" />
  <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; 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" />
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  <attribute name="geospatial_lat_units" value="degrees_north" />
  <attribute name="geospatial_lon_units" value="degrees_east" />
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  <attribute name="history" value="None" />
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  <dimension name="time" length="10968" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="2" />
  <dimension name="qc_NOx_nmol_per_mol_amean_flags" length="1" />
  <dimension name="qc_NOx_ug_N_per_m3_amean_flags" length="1" />
  <dimension name="qc_NOx_nmol_per_mol_prec1587_flags" length="1" />
  <dimension name="qc_NOx_ug_N_per_m3_prec1587_flags" length="1" />
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  <dimension name="qc_nitrogen_dioxide_ug_N_per_m3_stddev_flags" length="1" />
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    <attribute name="time_coverage_start" value="2023-10-02T00:30:00Z" />
    <attribute name="time_coverage_end" value="2024-12-31T23:30:00Z" />
    <attribute name="time_coverage_units" value="seconds" />
    <attribute name="time_coverage_resolution" value="3600.0" />
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    <attribute name="long_name" value="time bounds for measurement" />
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    <attribute name="_FillValue" type="double" value="NaN" />
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="_FillValue" type="double" value="NaN" />
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    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="qc_NOx_ug_N_per_m3_amean meta_NOx_ug_N_per_m3_amean" />
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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    <attribute name="ebas_humidity_temperaure_control_description" value="None" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="given by instrument constructor" />
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    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear if the concentration is under limit of detection" />
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    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Colomb, Aurelie, , , , , , , , , &quot;, &quot;Pichon, Jean-Marc, , , , , , , , , &quot;" />
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    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; 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 name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/nitrogenoxidesmassconcentration" />
    <attribute name="actris_variable_preferred_term" value="nitrogen oxides mass concentration" />
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    <attribute name="actris_matrix_preferred_term" value="gas phase" />
    <attribute name="actris_constraints_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/expressedasnitrogen" />
    <attribute name="actris_constraints_preferred_term" value="expressed as nitrogen" />
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    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
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    <attribute name="actris_instrument_type_preferred_term" value="chemiluminescence detector, photolytical converter" />
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    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_NOx_ug_N_per_m3_stddev" shape="qc_NOx_ug_N_per_m3_stddev_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="meta_NOx_ug_N_per_m3_stddev" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_nitrogen_dioxide_nmol_per_mol_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_nitrogen_dioxide_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="nmol/mol" />
    <attribute name="ancillary_variables" value="qc_nitrogen_dioxide_nmol_per_mol_amean meta_nitrogen_dioxide_nmol_per_mol_amean" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2026-06-25T13:44:17.817298Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="FR0030R" />
    <attribute name="ebas_platform_code" value="FR0030S" />
    <attribute name="ebas_station_name" value="Puy de Dôme" />
    <attribute name="ebas_station_gaw_id" value="PUY" />
    <attribute name="ebas_station_gaw_name" value="Puy de Dôme" />
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    <attribute name="ebas_station_land_use" value="Forest" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="45.772223" />
    <attribute name="ebas_station_longitude" type="double" value="2.964886" />
    <attribute name="ebas_station_altitude" value="1465.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="nitrogen_dioxide" />
    <attribute name="ebas_unit" value="nmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="FR04L" />
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    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="upstream from manifold, tube length=6.5m, flow rate=17l/min" />
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    <attribute name="ebas_ozone_correction" value="Not corrected for reaction with O3 in the inlet" />
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    <attribute name="ebas_humidity_temperaure_control" value="Temperature conditioning at 20 deg. C" />
    <attribute name="ebas_humidity_temperaure_control_description" value="None" />
    <attribute name="ebas_detection_limit_expl" value="given by instrument constructor" />
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    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear if the concentration is under limit of detection" />
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    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
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    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Colomb, Aurelie, , , , , , , , , &quot;, &quot;Pichon, Jean-Marc, , , , , , , , , &quot;" />
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    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/nitrogendioxideamountfraction" />
    <attribute name="actris_variable_preferred_term" value="nitrogen dioxide amount fraction" />
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    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_nitrogen_dioxide_nmol_per_mol_amean" shape="qc_nitrogen_dioxide_nmol_per_mol_amean_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="meta_nitrogen_dioxide_nmol_per_mol_amean" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_nitrogen_dioxide_ug_N_per_m3_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_nitrogen_dioxide_expressed_as_nitrogen_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="qc_nitrogen_dioxide_ug_N_per_m3_amean meta_nitrogen_dioxide_ug_N_per_m3_amean" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2026-06-25T13:44:17.817298Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="FR0030R" />
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    <attribute name="ebas_station_name" value="Puy de Dôme" />
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    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_gaw_type" value="G" />
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    <attribute name="ebas_station_latitude" type="double" value="45.772223" />
    <attribute name="ebas_station_longitude" type="double" value="2.964886" />
    <attribute name="ebas_station_altitude" value="1465.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="nitrogen_dioxide" />
    <attribute name="ebas_unit" value="ug N/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="FR04L" />
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    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="upstream from manifold, tube length=6.5m, flow rate=17l/min" />
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    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/nitrogendioxidemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="nitrogen dioxide mass concentration" />
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    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
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    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_nitrogen_dioxide_ug_N_per_m3_amean" shape="qc_nitrogen_dioxide_ug_N_per_m3_amean_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="meta_nitrogen_dioxide_ug_N_per_m3_amean" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_nitrogen_dioxide_nmol_per_mol_prec1587" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_nitrogen_dioxide_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="nmol/mol" />
    <attribute name="ancillary_variables" value="qc_nitrogen_dioxide_nmol_per_mol_prec1587 meta_nitrogen_dioxide_nmol_per_mol_prec1587" />
    <attribute name="cell_methods" value="time: percentile:15.87" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2026-06-25T13:44:17.817298Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="percentile:15.87" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="5mn" />
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    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="45.772223" />
    <attribute name="ebas_station_longitude" type="double" value="2.964886" />
    <attribute name="ebas_station_altitude" value="1465.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="nitrogen_dioxide" />
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    <attribute name="ebas_instrument_serial_number" value="T200UP-198" />
    <attribute name="ebas_method_ref" value="FR04L_Teledyne_T200UP_DE20L_NOx_corr_offset" />
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    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="upstream from manifold, tube length=6.5m, flow rate=17l/min" />
    <attribute name="ebas_inlet_tube_material" value="Teflon" />
    <attribute name="ebas_ozone_correction" value="Not corrected for reaction with O3 in the inlet" />
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    <attribute name="ebas_humidity_temperaure_control" value="Temperature conditioning at 20 deg. C" />
    <attribute name="ebas_humidity_temperaure_control_description" value="None" />
    <attribute name="ebas_detection_limit_expl" value="given by instrument constructor" />
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    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/nitrogendioxidemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="nitrogen dioxide mass concentration" />
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  <variable name="qc_nitrogen_dioxide_ug_N_per_m3_perc8413" shape="qc_nitrogen_dioxide_ug_N_per_m3_perc8413_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
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  <variable name="meta_nitrogen_dioxide_ug_N_per_m3_perc8413" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_nitrogen_dioxide_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="nmol/mol" />
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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    <attribute name="ebas_statistics" value="stddev" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="FR0030R" />
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    <attribute name="ebas_station_setting" value="Mountain" />
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    <attribute name="standard_name" value="mass_concentration_of_nitrogen_dioxide_expressed_as_nitrogen_in_air" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="_FillValue" type="double" value="NaN" />
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    <attribute name="missing_value" type="double" value="NaN" />
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    <attribute name="ebas_revision_date" value="2026-06-25T13:44:17.817298Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
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    <attribute name="ebas_data_level" value="2" />
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    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="nitrogen_monoxide" />
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    <attribute name="ebas_humidity_temperaure_control_description" value="None" />
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