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  <attribute name="title" value="Inorganics in air and particle phase at K-puszta" />
  <attribute name="summary" value="Inorganics in air and particle phase at K-puszta. These measurements are gathered as a part of the following projects EMEP, GAW-WDCRG and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: ['nitrate in aerosol (mass_concentration_of_nitrate_expressed_as_nitrogen_in_dry_aerosol_particles_in_air)', 'nitrate in aerosol (mass_concentration_of_nitrate_in_dry_aerosol_particles_in_air)', 'nitric_acid in air (mass_concentration_of_nitric_acid_expressed_as_nitrogen_in_air)', 'sulphate_total in aerosol (mass_concentration_of_sulphate_expressed_as_sulphur_in_dry_aerosol_particles_in_air)', 'sulphate_total in aerosol (mass_concentration_of_sulphate_in_dry_aerosol_particles_in_air)', 'sulphur_dioxide in air (mass_concentration_of_sulphur_dioxide_expressed_as_sulphur_in_air)', 'sum_nitric_acid_and_nitrate in air+aerosol (mass_concentration_of_sum_nitric_acid_and_nitrate_expressed_as_nitrogen_in_gaseous_phase_and_dry_aerosol_particles_in_air)']" />
  <attribute name="keywords" value="K-puszta HU0002R nitrate nitric_acid sulphate_total sulphur_dioxide sum_nitric_acid_and_nitrate aerosol air air+aerosol EMEP GAW-WDCRG mass_concentration_of_nitrate_expressed_as_nitrogen_in_dry_aerosol_particles_in_air mass_concentration_of_nitrate_in_dry_aerosol_particles_in_air mass_concentration_of_nitric_acid_expressed_as_nitrogen_in_air mass_concentration_of_sulphate_expressed_as_sulphur_in_dry_aerosol_particles_in_air mass_concentration_of_sulphate_in_dry_aerosol_particles_in_air mass_concentration_of_sulphur_dioxide_expressed_as_sulphur_in_air mass_concentration_of_sum_nitric_acid_and_nitrate_expressed_as_nitrogen_in_gaseous_phase_and_dry_aerosol_particles_in_air" />
  <attribute name="id" value="3TV3-Q55D.nc" />
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  <attribute name="project" value="EMEP, GAW-WDCRG" />
  <attribute name="acknowledgement" value="" />
  <attribute name="doi" value="https://doi.org/10.48597/3TV3-Q55D" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Varga, Z., Labancz, K., EMEP, GAW-WDCRG, 2026, Inorganics in air and particle phase at K-puszta, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/3TV3-Q55D" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="HU01L &quot;Hungarian Meteorological Service&quot; OMSZ &quot;Unit of Analysis on Ambient Air&quot; &quot;P.O.Box 39&quot; 1675 Budapest Hungary" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2026-03-19T10:35:49.399578Z" />
  <attribute name="date_metadata_modified" value="2026-03-19T10:33:52Z" />
  <attribute name="creator_name" value="Zsolt Varga, Krisztina Labancz" />
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  <attribute name="contributor_name" value="Krisztina Labancz" />
  <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/" />
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  <attribute name="timezone" value="UTC" />
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  <dimension name="time" length="365" />
  <dimension name="tbnds" length="2" />
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  <dimension name="qc_nitrate_ug_N_per_m3_flags" length="1" />
  <dimension name="qc_nitrate_ug_per_m3_flags" length="1" />
  <dimension name="qc_nitric_acid_flags" length="1" />
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  <dimension name="qc_sulphate_total_ug_per_m3_flags" length="1" />
  <dimension name="qc_sulphur_dioxide_flags" length="1" />
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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    <attribute name="ebas_framework_contact_email" value="kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Varga, Zsolt, varga.zs@met.hu, Hungarian Meteorological Service, OMSZ, Unit of Analysis on Ambient Air, P.O.Box 39, , 1675, Budapest, Hungary&quot;, &quot;Labancz, Krisztina, labancz.k@met.hu, Hungarian Meteorological Service, OMSZ, Unit of Analysis on Ambient Air, P.O.Box 39, , 1675, Budapest, Hungary&quot;" />
    <attribute name="ebas_submitter" value="&quot;Labancz, Krisztina, labancz.k@met.hu, Hungarian Meteorological Service, OMSZ, Unit of Analysis on Ambient Air, P.O.Box 39, , 1675, Budapest, Hungary&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 framework: EMEP." />
    <attribute name="ebas_comment" value="Data converted on export from EBAS from 'ug N/m3' to 'ug/m3', conversion factor 4.4267. Detection limit converted from '0.007 ug N/m3' to '0.03 ug/m3', conversion factor 4.4267." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlenitratemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle nitrate mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlephase" />
    <attribute name="actris_matrix_preferred_term" value="aerosol particle phase" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/lowvolumefiltersampler" />
    <attribute name="actris_instrument_type_preferred_term" value="low volume filter sampler" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP" />
    <attribute name="actris_framework_preferred_term" value="EMEP" />
    <attribute name="actris_temporal_resolution" value="P1D" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_nitrate_ug_per_m3" shape="qc_nitrate_ug_per_m3_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_nitrate_ug_per_m3" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_nitric_acid" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_nitric_acid_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_nitric_acid meta_nitric_acid" />
    <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="2026-03-19T10:33:52.972772Z" />
    <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="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="HU0002R" />
    <attribute name="ebas_platform_code" value="HU0002S" />
    <attribute name="ebas_station_name" value="K-puszta" />
    <attribute name="ebas_station_wdca_id" value="GAWAHU__KPS" />
    <attribute name="ebas_station_gaw_id" value="KPS" />
    <attribute name="ebas_station_gaw_name" value="K-Puszta" />
    <attribute name="ebas_station_land_use" value="Forest" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="46.965333" />
    <attribute name="ebas_station_longitude" type="double" value="19.544889" />
    <attribute name="ebas_station_altitude" value="125.0 m" />
    <attribute name="ebas_measurement_altitude" value="128.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="nitric_acid" />
    <attribute name="ebas_unit" value="ug N/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="HU01L" />
    <attribute name="ebas_instrument_type" value="filter_3pack" />
    <attribute name="ebas_instrument_name" value="3F2" />
    <attribute name="ebas_instrument_manufacturer" value="NILU" />
    <attribute name="ebas_instrument_model" value="Three stage open face" />
    <attribute name="ebas_instrument_serial_number" value="03200107" />
    <attribute name="ebas_method_ref" value="HU01L_OMSZ_ICS" />
    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v1996" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Downward facing" />
    <attribute name="ebas_medium" value="Cellulose" />
    <attribute name="ebas_coating_solution" value="KOH" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_detection_limit" value="0.007 ug N/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of laboratory blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as value below detection limit, flagged with 781" />
    <attribute name="ebas_organization" value="HU01L, Hungarian Meteorological Service, OMSZ, Unit of Analysis on Ambient Air, P.O.Box 39, , 1675, Budapest, Hungary" />
    <attribute name="ebas_framework_acronym" value="EMEP" />
    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme" />
    <attribute name="ebas_framework_description" value="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." />
    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Varga, Zsolt, varga.zs@met.hu, Hungarian Meteorological Service, OMSZ, Unit of Analysis on Ambient Air, P.O.Box 39, , 1675, Budapest, Hungary&quot;, &quot;Labancz, Krisztina, labancz.k@met.hu, Hungarian Meteorological Service, OMSZ, Unit of Analysis on Ambient Air, P.O.Box 39, , 1675, Budapest, Hungary&quot;" />
    <attribute name="ebas_submitter" value="&quot;Labancz, Krisztina, labancz.k@met.hu, Hungarian Meteorological Service, OMSZ, Unit of Analysis on Ambient Air, P.O.Box 39, , 1675, Budapest, Hungary&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 framework: EMEP." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/nitricacidmassconcentration" />
    <attribute name="actris_variable_preferred_term" value="nitric acid mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
    <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" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/lowvolumefiltersampler" />
    <attribute name="actris_instrument_type_preferred_term" value="low volume filter sampler" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP" />
    <attribute name="actris_framework_preferred_term" value="EMEP" />
    <attribute name="actris_temporal_resolution" value="P1D" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_nitric_acid" shape="qc_nitric_acid_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_nitric_acid" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_sulphate_total_ug_S_per_m3" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_sulphate_expressed_as_sulphur_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="qc_sulphate_total_ug_S_per_m3 meta_sulphate_total_ug_S_per_m3" />
    <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="2026-03-19T10:33:52.972772Z" />
    <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="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="HU0002R" />
    <attribute name="ebas_platform_code" value="HU0002S" />
    <attribute name="ebas_station_name" value="K-puszta" />
    <attribute name="ebas_station_wdca_id" value="GAWAHU__KPS" />
    <attribute name="ebas_station_gaw_id" value="KPS" />
    <attribute name="ebas_station_gaw_name" value="K-Puszta" />
    <attribute name="ebas_station_land_use" value="Forest" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="46.965333" />
    <attribute name="ebas_station_longitude" type="double" value="19.544889" />
    <attribute name="ebas_station_altitude" value="125.0 m" />
    <attribute name="ebas_measurement_altitude" value="128.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="sulphate_total" />
    <attribute name="ebas_unit" value="ug S/m3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="HU01L" />
    <attribute name="ebas_instrument_type" value="filter_3pack" />
    <attribute name="ebas_instrument_name" value="3F2" />
    <attribute name="ebas_instrument_manufacturer" value="NILU" />
    <attribute name="ebas_instrument_model" value="Three stage open face" />
    <attribute name="ebas_instrument_serial_number" value="03200107" />
    <attribute name="ebas_method_ref" value="HU01L_OMSZ_ICS" />
    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v1996" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Downward facing" />
    <attribute name="ebas_medium" value="Teflon" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_detection_limit" value="0.014 ug S/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of laboratory blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as value below detection limit, flagged with 781" />
    <attribute name="ebas_organization" value="HU01L, Hungarian Meteorological Service, OMSZ, Unit of Analysis on Ambient Air, P.O.Box 39, , 1675, Budapest, Hungary" />
    <attribute name="ebas_framework_acronym" value="EMEP" />
    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme" />
    <attribute name="ebas_framework_description" value="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." />
    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Varga, Zsolt, varga.zs@met.hu, Hungarian Meteorological Service, OMSZ, Unit of Analysis on Ambient Air, P.O.Box 39, , 1675, Budapest, Hungary&quot;, &quot;Labancz, Krisztina, labancz.k@met.hu, Hungarian Meteorological Service, OMSZ, Unit of Analysis on Ambient Air, P.O.Box 39, , 1675, Budapest, Hungary&quot;" />
    <attribute name="ebas_submitter" value="&quot;Labancz, Krisztina, labancz.k@met.hu, Hungarian Meteorological Service, OMSZ, Unit of Analysis on Ambient Air, P.O.Box 39, , 1675, Budapest, Hungary&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 framework: EMEP." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlesulphatemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle sulphate mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlephase" />
    <attribute name="actris_matrix_preferred_term" value="aerosol particle phase" />
    <attribute name="actris_constraints_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/expressedassulfur" />
    <attribute name="actris_constraints_preferred_term" value="expressed as sulfur" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
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    <attribute name="actris_instrument_type_preferred_term" value="low volume filter sampler" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP" />
    <attribute name="actris_framework_preferred_term" value="EMEP" />
    <attribute name="actris_temporal_resolution" value="P1D" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_sulphate_total_ug_S_per_m3" shape="qc_sulphate_total_ug_S_per_m3_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_sulphate_total_ug_S_per_m3" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_sulphate_total_ug_per_m3" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_sulphate_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="qc_sulphate_total_ug_per_m3 meta_sulphate_total_ug_per_m3" />
    <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="2026-03-19T10:33:52.972772Z" />
    <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="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="HU0002R" />
    <attribute name="ebas_platform_code" value="HU0002S" />
    <attribute name="ebas_station_name" value="K-puszta" />
    <attribute name="ebas_station_wdca_id" value="GAWAHU__KPS" />
    <attribute name="ebas_station_gaw_id" value="KPS" />
    <attribute name="ebas_station_gaw_name" value="K-Puszta" />
    <attribute name="ebas_station_land_use" value="Forest" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="46.965333" />
    <attribute name="ebas_station_longitude" type="double" value="19.544889" />
    <attribute name="ebas_station_altitude" value="125.0 m" />
    <attribute name="ebas_measurement_altitude" value="128.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="sulphate_total" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="HU01L" />
    <attribute name="ebas_instrument_type" value="filter_3pack" />
    <attribute name="ebas_instrument_name" value="3F2" />
    <attribute name="ebas_instrument_manufacturer" value="NILU" />
    <attribute name="ebas_instrument_model" value="Three stage open face" />
    <attribute name="ebas_instrument_serial_number" value="03200107" />
    <attribute name="ebas_method_ref" value="HU01L_OMSZ_ICS" />
    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v1996" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Downward facing" />
    <attribute name="ebas_medium" value="Teflon" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_detection_limit" value="0.04 ug/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of laboratory blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as value below detection limit, flagged with 781" />
    <attribute name="ebas_organization" value="HU01L, Hungarian Meteorological Service, OMSZ, Unit of Analysis on Ambient Air, P.O.Box 39, , 1675, Budapest, Hungary" />
    <attribute name="ebas_framework_acronym" value="EMEP" />
    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme" />
    <attribute name="ebas_framework_description" value="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." />
    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Varga, Zsolt, varga.zs@met.hu, Hungarian Meteorological Service, OMSZ, Unit of Analysis on Ambient Air, P.O.Box 39, , 1675, Budapest, Hungary&quot;, &quot;Labancz, Krisztina, labancz.k@met.hu, Hungarian Meteorological Service, OMSZ, Unit of Analysis on Ambient Air, P.O.Box 39, , 1675, Budapest, Hungary&quot;" />
    <attribute name="ebas_submitter" value="&quot;Labancz, Krisztina, labancz.k@met.hu, Hungarian Meteorological Service, OMSZ, Unit of Analysis on Ambient Air, P.O.Box 39, , 1675, Budapest, Hungary&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 framework: EMEP." />
    <attribute name="ebas_comment" value="Data converted on export from EBAS from 'ug S/m3' to 'ug/m3', conversion factor 2.9962. Detection limit converted from '0.014 ug S/m3' to '0.04 ug/m3', conversion factor 2.9962." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlesulphatemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle sulphate mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlephase" />
    <attribute name="actris_matrix_preferred_term" value="aerosol particle phase" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
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    <attribute name="actris_instrument_type_preferred_term" value="low volume filter sampler" />
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    <attribute name="actris_framework_preferred_term" value="EMEP" />
    <attribute name="actris_temporal_resolution" value="P1D" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_sulphate_total_ug_per_m3" shape="qc_sulphate_total_ug_per_m3_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_sulphate_total_ug_per_m3" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_sulphur_dioxide" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_sulphur_dioxide_expressed_as_sulphur_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="qc_sulphur_dioxide meta_sulphur_dioxide" />
    <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="2026-03-19T10:33:52.972772Z" />
    <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="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="HU0002R" />
    <attribute name="ebas_platform_code" value="HU0002S" />
    <attribute name="ebas_station_name" value="K-puszta" />
    <attribute name="ebas_station_wdca_id" value="GAWAHU__KPS" />
    <attribute name="ebas_station_gaw_id" value="KPS" />
    <attribute name="ebas_station_gaw_name" value="K-Puszta" />
    <attribute name="ebas_station_land_use" value="Forest" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="46.965333" />
    <attribute name="ebas_station_longitude" type="double" value="19.544889" />
    <attribute name="ebas_station_altitude" value="125.0 m" />
    <attribute name="ebas_measurement_altitude" value="128.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="sulphur_dioxide" />
    <attribute name="ebas_unit" value="ug S/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="HU01L" />
    <attribute name="ebas_instrument_type" value="filter_3pack" />
    <attribute name="ebas_instrument_name" value="3F2" />
    <attribute name="ebas_instrument_manufacturer" value="NILU" />
    <attribute name="ebas_instrument_model" value="Three stage open face" />
    <attribute name="ebas_instrument_serial_number" value="03200107" />
    <attribute name="ebas_method_ref" value="HU01L_OMSZ_ICS" />
    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v1996" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Downward facing" />
    <attribute name="ebas_medium" value="Cellulose" />
    <attribute name="ebas_coating_solution" value="KOH" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_detection_limit" value="0.014 ug S/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of laboratory blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as value below detection limit, flagged with 781" />
    <attribute name="ebas_organization" value="HU01L, Hungarian Meteorological Service, OMSZ, Unit of Analysis on Ambient Air, P.O.Box 39, , 1675, Budapest, Hungary" />
    <attribute name="ebas_framework_acronym" value="EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="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="Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Varga, Zsolt, varga.zs@met.hu, Hungarian Meteorological Service, OMSZ, Unit of Analysis on Ambient Air, P.O.Box 39, , 1675, Budapest, Hungary&quot;, &quot;Labancz, Krisztina, labancz.k@met.hu, Hungarian Meteorological Service, OMSZ, Unit of Analysis on Ambient Air, P.O.Box 39, , 1675, Budapest, Hungary&quot;" />
    <attribute name="ebas_submitter" value="&quot;Labancz, Krisztina, labancz.k@met.hu, Hungarian Meteorological Service, OMSZ, Unit of Analysis on Ambient Air, P.O.Box 39, , 1675, Budapest, Hungary&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: EMEP, GAW-WDCRG." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/sulfurdioxidemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="sulfur dioxide mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
    <attribute name="actris_matrix_preferred_term" value="gas phase" />
    <attribute name="actris_constraints_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/expressedassulfur" />
    <attribute name="actris_constraints_preferred_term" value="expressed as sulfur" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/lowvolumefiltersampler" />
    <attribute name="actris_instrument_type_preferred_term" value="low volume filter sampler" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG" />
    <attribute name="actris_framework_preferred_term" value="EMEP, GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="P1D" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_sulphur_dioxide" shape="qc_sulphur_dioxide_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_sulphur_dioxide" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_sum_nitric_acid_and_nitrate" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_sum_nitric_acid_and_nitrate_expressed_as_nitrogen_in_gaseous_phase_and_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="qc_sum_nitric_acid_and_nitrate meta_sum_nitric_acid_and_nitrate" />
    <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="2026-03-19T10:33:52.972772Z" />
    <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="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="HU0002R" />
    <attribute name="ebas_platform_code" value="HU0002S" />
    <attribute name="ebas_station_name" value="K-puszta" />
    <attribute name="ebas_station_wdca_id" value="GAWAHU__KPS" />
    <attribute name="ebas_station_gaw_id" value="KPS" />
    <attribute name="ebas_station_gaw_name" value="K-Puszta" />
    <attribute name="ebas_station_land_use" value="Forest" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="46.965333" />
    <attribute name="ebas_station_longitude" type="double" value="19.544889" />
    <attribute name="ebas_station_altitude" value="125.0 m" />
    <attribute name="ebas_measurement_altitude" value="128.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="sum_nitric_acid_and_nitrate" />
    <attribute name="ebas_unit" value="ug N/m3" />
    <attribute name="ebas_matrix" value="air+aerosol" />
    <attribute name="ebas_laboratory_code" value="HU01L" />
    <attribute name="ebas_instrument_type" value="filter_3pack" />
    <attribute name="ebas_instrument_name" value="3F2" />
    <attribute name="ebas_instrument_manufacturer" value="NILU" />
    <attribute name="ebas_instrument_model" value="Three stage open face" />
    <attribute name="ebas_instrument_serial_number" value="03200107" />
    <attribute name="ebas_method_ref" value="HU01L_OMSZ_ICS" />
    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v1996" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Downward facing" />
    <attribute name="ebas_medium" value="Teflon+cellulose" />
    <attribute name="ebas_coating_solution" value="KOH" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_detection_limit" value="0.01 ug N/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of laboratory blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as value below detection limit, flagged with 781" />
    <attribute name="ebas_organization" value="HU01L, Hungarian Meteorological Service, OMSZ, Unit of Analysis on Ambient Air, P.O.Box 39, , 1675, Budapest, Hungary" />
    <attribute name="ebas_framework_acronym" value="EMEP" />
    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme" />
    <attribute name="ebas_framework_description" value="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." />
    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Varga, Zsolt, varga.zs@met.hu, Hungarian Meteorological Service, OMSZ, Unit of Analysis on Ambient Air, P.O.Box 39, , 1675, Budapest, Hungary&quot;, &quot;Labancz, Krisztina, labancz.k@met.hu, Hungarian Meteorological Service, OMSZ, Unit of Analysis on Ambient Air, P.O.Box 39, , 1675, Budapest, Hungary&quot;" />
    <attribute name="ebas_submitter" value="&quot;Labancz, Krisztina, labancz.k@met.hu, Hungarian Meteorological Service, OMSZ, Unit of Analysis on Ambient Air, P.O.Box 39, , 1675, Budapest, Hungary&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 framework: EMEP." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasandparticlenitricacidandnitratemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="gas and particle nitric acid and nitrate mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasandparticlephase" />
    <attribute name="actris_matrix_preferred_term" value="gas and particle 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" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/lowvolumefiltersampler" />
    <attribute name="actris_instrument_type_preferred_term" value="low volume filter sampler" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP" />
    <attribute name="actris_framework_preferred_term" value="EMEP" />
    <attribute name="actris_temporal_resolution" value="P1D" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_sum_nitric_acid_and_nitrate" shape="qc_sum_nitric_acid_and_nitrate_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_sum_nitric_acid_and_nitrate" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="time" shape="time" type="double">
    <attribute name="long_name" value="time of measurement" />
    <attribute name="standard_name" value="time" />
    <attribute name="units" value="days since 1900-01-01T00:00:00Z" />
    <attribute name="axis" value="T" />
    <attribute name="calendar" value="standard" />
    <attribute name="bounds" value="time_bnds" />
    <attribute name="_CoordinateAxisType" value="Time" />
  </variable>
  <variable name="metadata_time" shape="metadata_time" type="double">
    <attribute name="long_name" value="time of ebas metadata intervals" />
    <attribute name="standard_name" value="time" />
    <attribute name="units" value="days since 1900-01-01T00:00:00Z" />
    <attribute name="axis" value="T" />
    <attribute name="calendar" value="standard" />
    <attribute name="bounds" value="metadata_time_bnds" />
    <attribute name="_CoordinateAxisType" value="Time" />
  </variable>
</netcdf>
