Air Quality System (AQS) ambient observations: 2008 PM2.5

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: 2015-09-23

Ambient 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).

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EPA environment

Complete Metadata

bureauCode	[ "020:00" ]
identifier	{214A6E5B-107C-4B0D-9A63-C1858DBEF89B}
issued	2014-01-01
language	[ "en-US" ]
programCode	[ "020:072" ]
references	[ "https://edg.epa.gov/metadata/catalog/search/resource/details.page?uuid=%7B214A6E5B-107C-4B0D-9A63-C1858DBEF89B%7D", "https://edg.epa.gov/metadata/rest/document?id=%7B214A6E5B-107C-4B0D-9A63-C1858DBEF89B%7D" ]
spatial	-180.0,-90.0,180.0,90.0

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