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AP-42 Emissions Factors (WebFIRE)
Emissions factors have long been the fundamental tool in developing national, regional, state, and local emissions inventories for air quality management decisions and in... -
OAR Tribal System
OTS is an internal EPA national tribal database to assist the Regions and HQs in tracking tribal performance information. -
Photochemical Assessment Monitoring Stations (PAMS)
Photochemical Assessment Monitoring Stations (PAMS). This file provides information on the numbers and distribution (latitude/longitude) of air monitoring sites which measure... -
Title V Permitting Statistics Inventory
The Title V Permitting Statistics Inventory contains measured and estimated nationwide statistical data, consisting of counts of permitted sources, types of permits issued, and... -
Web page with links to air quality and emissions data
A web page that describes and links to EPA systems for accessing and downloading ambient (outdoor) air quality and emissions data -
Web page with Air Quality System (AQS) ambient observation files
Ambient concentrations of most requested pollutants from the national ambient air quality monitoring networks stored in the Air Quality System (AQS). -
Control Strategy Tool (CoST)
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... -
KMZ file of EPA Ambient Ozone Monitors
A KMZ file with the location of all the EPA ambient ozone monitors with the ability to download data from within the description box. -
KMZ files of EPA Ambient Monitors
KMZ files with the location of all the EPA ambient monitors with the ability to download data from within the description box. -
Air Emisisons Inventories
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 emissions... -
Control Measure Dataset
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... -
Criteria Air Emissions Trends
The Air Emissions Trends site provides national trends of criteria pollutant and precursor emissions data based on the the National Emissions Inventory (NEI) from 1970 - the... -
Monitoring Knowledge Base (MKB)
The Monitoring Knowledge Base (MKB) is a compilation of emissions measurement and monitoring techniques associated with air pollution control devices, industrial process... -
Community Multi-scale Air Quality (CMAQ) Model Outputs
The CMAQ Model Outputs data asset includes current and projected future levels of ambient concentrations and deposition to support regulatory impact analyses. -
Air Quality System (AQS) ambient observations: 2007 ozone
Ambient ozone concentrations for 2007 from the national ambient air quality monitoring networks stored in the Air Quality System (AQS). -
Air Quality System (AQS) ambient observations: 2008 ozone
Ambient ozone concentrations for 2008 from the national ambient air quality monitoring networks stored in the Air Quality System (AQS). -
Air Quality System (AQS) ambient observations: 2008 Lead
Ambient Lead (Pb) concentrations from the national ambient air quality monitoring networks stored in the Air Quality System (AQS). -
Air Quality System (AQS) ambient observations: 2008 PM2.5
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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