Dataset 1124

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Facts about Dataset 1124RDF feed
92/additional metadata  +
92/agencyEnvironmental Protection Agency  +
92/agency data series pagewarning.pngURIs of the form "AQS Data Download," are not allowed.
92/agency program pagewarning.pngURIs of the form "Air Quality System (AQS)," are not allowed.
92/applicable agency information quality guideline designationEnvironmental Protection Agency
92/categoryGeography and Environment  +
92/citationUS Environmental Protection Agency. Air Quality System [internet database] available at
92/collection modeComputer
92/csv txt access point  +
92/csv txt file size8 MB  +
92/data collection instrumentHttp://  +
92/data dictionary variable list  +
92/data gov data category typeRaw Data Catalog  +
92/data quality certificationYes  +
92/date released04/15/2008  +
92/date updated06/04/2009  +
92/descriptionAmbient PM2.5 (particulate matter less than 2.5 microns) concentrations from the national ambient air quality monitoring networks stored in the Air Quality System (AQS).  +
92/frequencyDaily (or 1 day in every 3 or every 6, some may be hourly)  +
92/geographic coverageUnited States and territories, and border regions of Canada and Mexico
92/granularityCoordinate pair (latitude/longitude)  +
92/keywordsPM, PM25, PM2.5, Particulate Matter, Air Quality, Air Pollution, EPA, ambient air, public health, environment, federal data download, clean air trends, monitoring air, federal datasets, respiratory, epidemiology
92/privacy and confidentialityYes  +
92/specialized data category designationAdministrative
92/technical documentation
92/time period1 year (2008)
92/titleAir Quality System (AQS) ambient observations: 2008 PM2.5  +
92/unique id1124  +
92/unit of analysisAn air quality sampling station
92/url  +
Datagov id1124  +
Dc:identifierdgtwc1124  +
Dcterms:identifierdgtwc1124, and datagov1124
Dcterms:relationURLSHA1/e2391b356d14c1a4058f4d4908ac2d0c37c8f6f7  +
Dcterms:source  +
Dgtwc:linked data entry point  +
Dgtwc id1124  +
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