Historical Ambient Air Quality Data Inventory

Published by U.S. EPA Office of Air and Radiation (OAR) - Office of Air Quality Planning and Standards (OAQPS) | U.S. Environmental Protection Agency | Metadata Last Checked: July 09, 2025 | Last Modified: 2014-01-01

The Historical Ambient Air Quality Data Inventory contains measured and estimated data on ambient air pollution for use in assessing air quality, assisting in designating attainment/non-attainment areas, evaluating state implementation plans for non-attainment areas, performing modeling for permit review analysis, and other air quality functionsThe statutory authority leading to the collection of this information comes from Title I, Part A of the Clean Air Act. Sustance classes include Criteria Air Pollutants, Hazardous Air Pollutants, and Greenhouse Gases. Data no longer collected, current Ambient Air Quality Data Inventory uses higher geographic density and more robust methods of measurement.

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Complete Metadata

bureauCode	[ "020:00" ]
dataQuality	false
identifier	651B2300-A3FF-4DE6-AEE7-882751511C5C
issued	2014-01-01
language	[ "en-US" ]
programCode	[ "020:072" ]
references	[ "https://edg.epa.gov/metadata/catalog/search/resource/details.page?uuid=%7B651B2300-A3FF-4DE6-AEE7-882751511C5C%7D", "https://edg.epa.gov/metadata/rest/document?id=%7B651B2300-A3FF-4DE6-AEE7-882751511C5C%7D" ]
spatial	-180.0,18.0,-66.0,72.0

Location