{"@type": "dcat:Dataset", "accessLevel": "public", "bureauCode": ["026:00"], "contactPoint": {"@type": "vcard:Contact", "fn": "Earthdata Forum", "hasEmail": "mailto:earthdata-support@nasa.gov"}, "description": "The MAIA Surface Monitor Stage 0 files are an ancillary dataset containing processed particulate matter (PM) measurements collected from a global  in-situ surface monitoring network. The files are generated by the MAIA surface monitoring subsystem software at NASA\u2019s Atmospheric Science Data Center (ASDC).", "distribution": [{"@type": "dcat:Distribution", "conformsTo": "http://www.isotc211.org/2005/gmi", "description": "The metadata's original source.", "downloadURL": "https://cmr.earthdata.nasa.gov/search/concepts/C3880763231-LARC_CLOUD.iso19115", "format": "ISO", "mediaType": "text/xml", "title": "Original Metadata"}, {"@type": "dcat:Distribution", "downloadURL": "https://asdc.larc.nasa.gov/citing-data", "format": "BIN", "mediaType": "application/octet-stream"}, {"@type": "dcat:Distribution", "downloadURL": "https://asdc.larc.nasa.gov/documents/maia/MAIA_Surface_Monitor_DPS_2025.pdf", "format": "PDF", "mediaType": "application/pdf"}, {"@type": "dcat:Distribution", "downloadURL": "https://asdc.larc.nasa.gov/project/MAIA", "format": "BIN", "mediaType": "application/octet-stream"}, {"@type": "dcat:Distribution", "downloadURL": "https://cmr.earthdata.nasa.gov/virtual-directory/collections/C3880763231-LARC_CLOUD", "format": "BIN", "mediaType": "application/octet-stream"}, {"@type": "dcat:Distribution", "downloadURL": "https://doi.org/10.5067/SurfaceMonitorNetwork/MAIA/SURFACEMONITOR_PM_2.5_SPECIES_ANC.C01", "format": "BIN", "mediaType": "application/octet-stream"}, {"@type": "dcat:Distribution", "downloadURL": "https://maia.jpl.nasa.gov/", "format": "BIN", "mediaType": "application/octet-stream"}, {"@type": "dcat:Distribution", "downloadURL": "https://maia.jpl.nasa.gov/assets/images/home/figure1_standin.jpg", "format": "JPEG", "mediaType": "image/jpeg"}, {"@type": "dcat:Distribution", "downloadURL": "https://search.earthdata.nasa.gov/search/granules?p=C3880763231-LARC_CLOUD", "format": "BIN", "mediaType": "application/octet-stream"}], "identifier": "10.5067/SurfaceMonitorNetwork/MAIA/SURFACEMONITOR_PM_2.5_SPECIES_ANC.C01", "keyword": ["earth-science-aerosols-atmosphere-black-carbon", "earth-science-aerosols-atmosphere-dust-ash-smoke", "earth-science-aerosols-atmosphere-particulate-matter", "earth-science-aerosols-atmosphere-sulfate-particles"], "license": "https://www.usa.gov/government-works", "modified": "2026-06-22", "programCode": ["026:000"], "publisher": {"@type": "org:Organization", "name": "NASA/LARC/SD/ASDC"}, "spatial": "[\"CARTESIAN\", [{\"Boundary\": {\"Points\": [{\"Latitude\": -90, \"Longitude\": -180}, {\"Latitude\": -90, \"Longitude\": 180}, {\"Latitude\": 90, \"Longitude\": 180}, {\"Latitude\": 90, \"Longitude\": -180}, {\"Latitude\": -90, \"Longitude\": -180}]}}]]", "temporal": "2021-01-01/2026-06-15", "theme": ["Earth Science"], "title": "Ancillary speciated PM data from the MAIA Surface Monitor Network"}