{"@type": "dcat:Dataset", "accessLevel": "public", "accrualPeriodicity": "irregular", "bureauCode": ["020:00"], "contactPoint": {"@type": "vcard:Contact", "fn": "Gary Lear,US Environmental Protection Agency, U.S. EPA Office of Air and Radiation (OAR) - Office of Air Quality Planning and Standards (OAQPS)", "hasEmail": "mailto:lear.gary@epa.gov"}, "dataQuality": false, "description": "This asset provides data on regional air quality, including trace level SO2, nitric acid, ozone, carbon monoxide, and NOy; and particulate sulfate, nitrate, and ammonium from 1989 to present. Precipitation and meteorology are provided from 1989 to 2011.", "distribution": [{"@type": "dcat:Distribution", "accessURL": "https://www.epa.gov/castnet"}], "identifier": "DE68A445-C389-4C5C-AAC7-D15395BC12D1", "issued": "2014-01-01", "keyword": ["epa", "oar", "oap", "office of atmospheric programs", "environmental protection agency", "emissions", "so2", "sulfates", "nox", "nitrates", "ozone", "carbon monoxide", "co", "air quality", "particulates", "clean air status and trends network", "castnet", "environment", "environment", "united states", "environment"], "landingPage": "https://www.epa.gov/castnet", "language": ["en-US"], "license": "https://edg.epa.gov/EPA_Data_License.htm", "modified": "2014-01-01", "programCode": ["020:094"], "publisher": {"@type": "org:Organization", "name": "U.S. EPA Office of Air and Radiation (OAR) - Office of Air Quality Planning and Standards (OAQPS)"}, "references": ["https://edg.epa.gov/metadata/rest/document?id=%7BDE68A445-C389-4C5C-AAC7-D15395BC12D1%7D", "https://edg.epa.gov/metadata/catalog/search/resource/details.page?uuid=%7BDE68A445-C389-4C5C-AAC7-D15395BC12D1%7D"], "spatial": "-180.0,18.0,-66.0,72.0", "title": "Regional Air Quality Data"}