• Organization: U.S. Environmental Protection Agency
• Updated: 2009-01-01T00:00:00.000+00:00

This data layer identifies areas in the U.S. where air pollution levels have not met the National Ambient Air Quality Standards (NAAQS) for 2006 PM-2.5 standards. These areas were designated...

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• Organization: U.S. Department of Health & Human Services
• Updated: 2018-06-05

The Environmental Protection Agency (EPA) provides air pollution data about ozone and particulate matter (PM2.5) to CDC for the Tracking Network. The EPA maintains a database called the Air...

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• xml