{"ob_id":45882,"uuid":"809e67dc32ac4679a5d6a18a35551213","title":"EOCIS: CHUK Particulate Matter (PM2.5, PM10), Monthly L3C Product, v1.14","abstract":"This dataset contains Particulate Matter (PM2.5, PM10) data produced within the Earth Observation Climate Information Service (EOCIS) project. These data are produced by a machine learning algorithm that combines inputs from satellite, in-situ and analysis data sources. The algorithm generates measurements of the particulate matter (PM) at sizes smaller than 2.5 µm (PM2.5) and 10 µm (PM10). Original level 2 retrievals in the UK region have been reprojected from the instrument swath onto the Climate High-resolution grid for the UK (CHUK) at 100m resolution and composited over daily and monthly timescales. Two versions of each variable are included: with and without the post-processing filtering that is used in the global AOD dataset that is used as an input.","keywords":"Particulate,Matter,PM2.5,PM10,Aerosol,Surface,Temperature,Land,Radiometer,SLSTR,Sea,EOCIS","publicationState":"citable","dataPublishedTime":"2026-06-15T09:39:59","doiPublishedTime":"2026-07-02T13:58:08.626208","updateFrequency":"notPlanned","status":"completed","result_field":{"ob_id":"https://catalogue.ceda.ac.uk/api/v2/observations/45891/?format=json","dataPath":"/neodc/eocis/data/CHUK/particulate_matter/SLSTR/L3C/monthly/v1.14","oldDataPath":[],"storageLocation":"internal","storageStatus":"online","volume":21382335261,"numberOfFiles":136,"fileFormat":"The data are in NetCDF format."},"timePeriod":"https://catalogue.ceda.ac.uk/api/v2/times/12213/?format=json","geographicExtent":"https://catalogue.ceda.ac.uk/api/v2/bboxes/4727/?format=json","nonGeographicFlag":false,"phenomena":["https://catalogue.ceda.ac.uk/api/v2/phenomona/74919/?format=json","https://catalogue.ceda.ac.uk/api/v2/phenomona/74920/?format=json","https://catalogue.ceda.ac.uk/api/v2/phenomona/74921/?format=json","https://catalogue.ceda.ac.uk/api/v2/phenomona/74922/?format=json","https://catalogue.ceda.ac.uk/api/v2/phenomona/93324/?format=json","https://catalogue.ceda.ac.uk/api/v2/phenomona/93325/?format=json","https://catalogue.ceda.ac.uk/api/v2/phenomona/93326/?format=json","https://catalogue.ceda.ac.uk/api/v2/phenomona/93327/?format=json"],"dataLineage":"This dataset was produced by Swansea University in the context of the Earth Observation Climate Information Service project.","removedDataTime":null,"removedDataReason":"","language":"English","identifier_set":["https://catalogue.ceda.ac.uk/api/v2/identifiers/13925/?format=json"],"projects":["https://catalogue.ceda.ac.uk/api/v2/projects/43216/?format=json"],"observationcollection_set":["https://catalogue.ceda.ac.uk/api/v2/observationcollections/45879/?format=json"],"responsiblepartyinfo_set":["https://catalogue.ceda.ac.uk/api/v2/rpis/220062/?format=json","https://catalogue.ceda.ac.uk/api/v2/rpis/219355/?format=json","https://catalogue.ceda.ac.uk/api/v2/rpis/219356/?format=json","https://catalogue.ceda.ac.uk/api/v2/rpis/219357/?format=json","https://catalogue.ceda.ac.uk/api/v2/rpis/219358/?format=json","https://catalogue.ceda.ac.uk/api/v2/rpis/219359/?format=json","https://catalogue.ceda.ac.uk/api/v2/rpis/219360/?format=json","https://catalogue.ceda.ac.uk/api/v2/rpis/219354/?format=json","https://catalogue.ceda.ac.uk/api/v2/rpis/219361/?format=json"],"procedureAcquisition":"https://catalogue.ceda.ac.uk/api/v2/acquisitions/43743/?format=json","procedureCompositeProcess":null,"procedureComputation":null,"permissions":[{"ob_id":"https://catalogue.ceda.ac.uk/api/v2/observations/2528/?format=json","useLimitation":null,"accessConstraints":null,"accessCategory":"public","accessRoles":null,"label":"public: None group","licenceURL":"http://creativecommons.org/licenses/by/4.0/","licenceClassifications":"any, attribution required"}],"discoveryKeywords":[]}