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Federal
RACT/BACT/LAER Clearninghouse (RBLC)
U.S. Environmental Protection Agency —
OAR's RACT, BACT, LAER Clearinghouse (RBLC) data asset contains summary information on selected air permitting actions from EPA, state, and local permitting agencies... -
Federal
Ambient Air Quality Data Inventory
U.S. Environmental Protection Agency —
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... -
Federal
Air Quality System (AQS) ambient observations: 2008 PM2.5
U.S. Environmental Protection Agency —
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). -
Federal
Air Quality System (AQS) ambient observations: 2008 ozone
U.S. Environmental Protection Agency —
Ambient ozone concentrations for 2008 from the national ambient air quality monitoring networks stored in the Air Quality System (AQS). -
Federal
Emissions Modeling Clearinghouse
U.S. Environmental Protection Agency —
The Emissions Modeling Clearinghouse (EMCH) supports and promotes emissions modeling activities both internal and external to the EPA. Through this site, the EPA... -
Federal
Air Quality System (AQS) ambient observations: 2007 PM2.5
U.S. Environmental Protection Agency —
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). -
Federal
National Emission Inventory
U.S. Environmental Protection Agency —
The National Emission Inventory contains measured, modeled, and estimated data for emissions of all known source categories in the US (stationary sources, fires,... -
Federal
AP-42 Emissions Factors (WebFIRE)
U.S. Environmental Protection Agency —
Emissions factors have long been the fundamental tool in developing national, regional, state, and local emissions inventories for air quality management decisions... -
Federal
Air Quality System (AQS) ambient observations: 2008 Lead
U.S. Environmental Protection Agency —
Ambient Lead (Pb) concentrations from the national ambient air quality monitoring networks stored in the Air Quality System (AQS). -
Federal
RACT_BACT_LAER Clearinghouse (RBLC)
U.S. Environmental Protection Agency —
OAR's RACT, BACT, LAER Clearinghouse (RBLC) data asset contains summary information on selected air permitting actions from EPA, state, and local permitting agencies... -
Federal
OAR Tribal System
U.S. Environmental Protection Agency —
OTS is an internal EPA national tribal database to assist the Regions and HQs in tracking tribal performance information. -
Federal
Title V Permitting Statistics Inventory
U.S. Environmental Protection Agency —
The Title V Permitting Statistics Inventory contains measured and estimated nationwide statistical data, consisting of counts of permitted sources, types of permits... -
Federal
Web page with Air Quality System (AQS) ambient observation files
U.S. Environmental Protection Agency —
Ambient concentrations of most requested pollutants from the national ambient air quality monitoring networks stored in the Air Quality System (AQS). -
Federal
Air Emisisons Inventories
U.S. Environmental Protection Agency —
This data exchange allows states to submit data to the US Environmental Protection Agency's National Emissions Inventory (NEI). NEI is a national database of air... -
Federal
Criteria Air Emissions Trends
U.S. Environmental Protection Agency —
The Air Emissions Trends site provides national trends of criteria pollutant and precursor emissions data based on the the National Emissions Inventory (NEI) from... -
Federal
Air Quality System (AQS) ambient observations: 2007 ozone
U.S. Environmental Protection Agency —
Ambient ozone concentrations for 2007 from the national ambient air quality monitoring networks stored in the Air Quality System (AQS).