{"ob_id":44874,"uuid":"a2ac22ae97a34b51a81c8f53d414ec6b","title":"ESA Precursors for Aerosols and Ozone Climate Change Initiative (Precursors_cci): TROPOMI monthly mean level 3 tropospheric nitrogen dioxide (NO2) version 1.0","abstract":"The dataset was produced as part of the European Space Agency (ESA) Climate Change Initiative+ (CCI+) precursors for aerosols and ozone project by the Royal Netherlands Meteorological Institute (KNMI). \r\n\r\nTROPOspheric Monitoring Instrument (TROPOMI) global tropospheric nitrogen dioxide (NO2) spatiotemporally averaged per month over a standard grid from May 2018 to December 2021. The dataset is provided in four different spatial resolutions: 0.2x0.2 (900x1800 grid cells), 0.5x0.5 (360x720), 1x1 (180x360), 2x2.5 (91x144) and includes auxilliary variables (e.g. cloud and surface properties, propagated level 3 uncertainties, averaging kernels). The data are provided in monthly netCDF files for each spatial resolution.\r\n\r\nThe version number is 1.0. Data are available in NetCDF format. https://doi.org/10.5194/essd-17-4627-2025","keywords":"TROPOMI,L3,NO2","publicationState":"published","dataPublishedTime":"2026-04-01T14:48:07","doiPublishedTime":null,"updateFrequency":"notPlanned","status":"completed","result_field":{"ob_id":"https://catalogue.ceda.ac.uk/api/v2/observations/45679/?format=json","dataPath":"/neodc/esacci/precursors/data/TROPOMI_NO2_L3/v1.0","oldDataPath":[],"storageLocation":"internal","storageStatus":"online","volume":22587240526,"numberOfFiles":177,"fileFormat":"netcdf"},"timePeriod":"https://catalogue.ceda.ac.uk/api/v2/times/12685/?format=json","geographicExtent":"https://catalogue.ceda.ac.uk/api/v2/bboxes/529/?format=json","nonGeographicFlag":false,"phenomena":["https://catalogue.ceda.ac.uk/api/v2/phenomona/51157/?format=json","https://catalogue.ceda.ac.uk/api/v2/phenomona/51158/?format=json","https://catalogue.ceda.ac.uk/api/v2/phenomona/62501/?format=json","https://catalogue.ceda.ac.uk/api/v2/phenomona/92990/?format=json","https://catalogue.ceda.ac.uk/api/v2/phenomona/92991/?format=json","https://catalogue.ceda.ac.uk/api/v2/phenomona/92992/?format=json","https://catalogue.ceda.ac.uk/api/v2/phenomona/92993/?format=json","https://catalogue.ceda.ac.uk/api/v2/phenomona/92994/?format=json","https://catalogue.ceda.ac.uk/api/v2/phenomona/92995/?format=json","https://catalogue.ceda.ac.uk/api/v2/phenomona/92996/?format=json","https://catalogue.ceda.ac.uk/api/v2/phenomona/92997/?format=json","https://catalogue.ceda.ac.uk/api/v2/phenomona/92998/?format=json","https://catalogue.ceda.ac.uk/api/v2/phenomona/92999/?format=json","https://catalogue.ceda.ac.uk/api/v2/phenomona/93000/?format=json","https://catalogue.ceda.ac.uk/api/v2/phenomona/93001/?format=json","https://catalogue.ceda.ac.uk/api/v2/phenomona/93002/?format=json","https://catalogue.ceda.ac.uk/api/v2/phenomona/93003/?format=json","https://catalogue.ceda.ac.uk/api/v2/phenomona/93004/?format=json","https://catalogue.ceda.ac.uk/api/v2/phenomona/93005/?format=json","https://catalogue.ceda.ac.uk/api/v2/phenomona/93006/?format=json","https://catalogue.ceda.ac.uk/api/v2/phenomona/93007/?format=json","https://catalogue.ceda.ac.uk/api/v2/phenomona/93008/?format=json","https://catalogue.ceda.ac.uk/api/v2/phenomona/93009/?format=json","https://catalogue.ceda.ac.uk/api/v2/phenomona/93010/?format=json","https://catalogue.ceda.ac.uk/api/v2/phenomona/93011/?format=json","https://catalogue.ceda.ac.uk/api/v2/phenomona/93012/?format=json","https://catalogue.ceda.ac.uk/api/v2/phenomona/93013/?format=json","https://catalogue.ceda.ac.uk/api/v2/phenomona/93014/?format=json","https://catalogue.ceda.ac.uk/api/v2/phenomona/93015/?format=json","https://catalogue.ceda.ac.uk/api/v2/phenomona/93016/?format=json"],"dataLineage":"The L3 data were generated by spatiotemporally averaging operational TROPOMI L2 NO2 v2.3.1 data as part of the ESA CCI precursors project. Data was provided to CEDA for archival.","removedDataTime":null,"removedDataReason":"","language":"English","identifier_set":[],"projects":["https://catalogue.ceda.ac.uk/api/v2/projects/45106/?format=json"],"observationcollection_set":["https://catalogue.ceda.ac.uk/api/v2/observationcollections/45107/?format=json"],"responsiblepartyinfo_set":["https://catalogue.ceda.ac.uk/api/v2/rpis/216545/?format=json","https://catalogue.ceda.ac.uk/api/v2/rpis/214964/?format=json","https://catalogue.ceda.ac.uk/api/v2/rpis/214965/?format=json","https://catalogue.ceda.ac.uk/api/v2/rpis/214966/?format=json","https://catalogue.ceda.ac.uk/api/v2/rpis/214967/?format=json","https://catalogue.ceda.ac.uk/api/v2/rpis/214968/?format=json","https://catalogue.ceda.ac.uk/api/v2/rpis/214969/?format=json","https://catalogue.ceda.ac.uk/api/v2/rpis/214963/?format=json","https://catalogue.ceda.ac.uk/api/v2/rpis/214970/?format=json","https://catalogue.ceda.ac.uk/api/v2/rpis/214971/?format=json","https://catalogue.ceda.ac.uk/api/v2/rpis/214972/?format=json","https://catalogue.ceda.ac.uk/api/v2/rpis/214973/?format=json"],"procedureAcquisition":null,"procedureCompositeProcess":"https://catalogue.ceda.ac.uk/api/v2/composites/45265/?format=json","procedureComputation":null,"permissions":[{"ob_id":"https://catalogue.ceda.ac.uk/api/v2/observations/2674/?format=json","useLimitation":null,"accessConstraints":null,"accessCategory":"public","accessRoles":null,"label":"public: None group","licenceURL":"https://artefacts.ceda.ac.uk/licences/specific_licences/esacci_precursors_for_aerosols_and_ozone_terms_and_conditions.pdf","licenceClassifications":"any"}],"discoveryKeywords":[{"ob_id":1140,"name":"ESACCI"}]}