• Organization: U.S. Environmental Protection Agency
• Updated: 2014-01-01

The Office of Air and Radiation's (OAR) Ambient Air Quality Data (Current) contains ambient air pollution data collected by EPA, other federal agencies, as well as state, local, and tribal air...

• Organization: U.S. Environmental Protection Agency
• Updated: 2015-09-22T00:00:00.000+00:00

This downloadable package contains the following layers: Mandatory Class 1 Federal Area polygons in the United States. Included in this package are a file geodatabase, Esri ArcMap map document and...

• 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. Environmental Protection Agency
• Updated: 2015-07-01T00:00:00.000+00:00

This web service contains the following layer: PM10 Nonattainment Areas (1987 NAAQS). Full FGDC metadata records for each layer may be found by clicking the layer name at the web service endpoint...

• Organization: U.S. Environmental Protection Agency
• Updated: 2015-07-01T00:00:00.000+00:00

This web service contains the following layers: Lead NAA 2008 NAAQS and Lead NAA Centroids 2008 NAAQS. Full FGDC metadata records for each layer may be found by clicking the layer name at the web...

• Organization: U.S. Environmental Protection Agency
• Updated: 2014-01-01

The EPA Control Strategy Tool (CoST) is a software tool for projecting potential future control scenarios, their effects on emissions and estimated costs. This tool uses the NEI and the Control...

• Organization: U.S. Environmental Protection Agency
• Updated: 2015-07-01T00:00:00.000+00:00

This web service layer, Carbon Monoxide (1990 NAAQS), displays identified state level areas where carbon monoxide pollution has not met the National Ambient Air Quality Standards (NAAQS)...

• Organization: U.S. Environmental Protection Agency
• Updated: 2015-07-01T00:00:00.000+00:00

This web service contains the following layers: Ozone 1997 NAAQS NAA State Level and Ozone 1997 NAAQS NAA National Level. Full FGDC metadata records for each layer may be found by clicking the...

• Organization: U.S. Environmental Protection Agency
• Updated: 2015-07-01T00:00:00.000+00:00

This web service contains the following layer: SO2 2010 NAAQS State Level. Full FGDC metadata records for each layer may be found by clicking the layer name at the web service endpoint...

• Organization: U.S. Environmental Protection Agency
• Updated: 2015-07-01T00:00:00.000+00:00

This web service contains the following layers: PM2.5 24hr 2006 NAAQS State Level and PM2.5 24hr 2006 NAAQS National. Full FGDC metadata records for each layer may be found by clicking the layer...

• Organization: U.S. Environmental Protection Agency
• Updated: 2015-07-01T00:00:00.000+00:00

This web service contains the following layers: Ozone 2008 NAAQS NAA State Level and Ozone 2008 NAAQS NAA National Level. Full FGDC metadata records for each layer may be found by clicking the...

• Organization: U.S. Environmental Protection Agency
• Updated: 2015-09-22T00:00:00.000+00:00

This web service contains the following layers: Mandatory Class 1 Federal Area polygons and Mandatory Class 1 Federal Area labels in the United States. The polygon layer draws at all scales. The...

• Organization: U.S. Environmental Protection Agency
• Updated: 2014-01-01

The EPA Control Measure Dataset is a collection of documents describing air pollution control available to regulated facilities for the control and abatement of air pollution emissions from a...

• Organization: U.S. Environmental Protection Agency
• Updated: 2015-07-01T00:00:00.000+00:00

This web service contains the following layers: PM2.5 Annual 1997 NAAQS State Level and PM2.5 Annual 1997 NAAQS National . It also contains the following tables:...

• Organization: U.S. Environmental Protection Agency
• Updated: 2015-07-01T00:00:00.000+00:00

This web service contains the following layer: PM2.5 Annual 2012 NAAQS State Level. Full FGDC metadata records for each layer may be found by clicking the layer name at the web service endpoint...

• Organization: U.S. Environmental Protection Agency
• Updated: 2014-01-01

The Monitoring Knowledge Base (MKB) is a compilation of emissions measurement and monitoring techniques associated with air pollution control devices, industrial process descriptions, and...

• Organization: U.S. Environmental Protection Agency
• Updated: 2015-07-01T00:00:00.000+00:00

This web service layer, Ozone 8-hr (2015 standard), displays identified state level areas where ground-level ozone have not met the National Ambient Air Quality Standards (NAAQS) established in...

• Organization: U.S. Environmental Protection Agency
• Updated: 2014-01-01

The CMAQ Model Outputs data asset includes current and projected future levels of ambient concentrations and deposition to support regulatory impact analyses.

• Organization: U.S. Environmental Protection Agency
• Updated: 2014-01-01

OTS is an internal EPA national tribal database to assist the Regions and HQs in tracking tribal performance information.

• Organization: U.S. Environmental Protection Agency
• Updated: 2015-07-01T00:00:00.000+00:00

This web service contains the following state level layers:Ozone 8-hr (1997 standard), Ozone 8-hr (2008 standard), Lead (2008 standard), SO2 1-hr (2010 standard), PM2.5 24hr (2006 standard), PM2.5...