Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Skip to content
38 datasets found
  • Federal

    Regional Air Quality Data    recent views

    U.S. Environmental Protection Agency —

    This asset provides data on regional air quality, including trace level SO2, nitric acid, ozone, carbon monoxide, and NOy; and particulate sulfate, nitrate, and...
  • Federal

    www.FuelEconomy.gov    recent views

    U.S. Environmental Protection Agency —

    FuelEconomy.gov provides comprehensive information about vehicles' fuel economy. The official U.S. government site for fuel economy information, it is operated by the...
  • Federal

    AirNow Real Time Air Quality REST API    recent views

    U.S. Environmental Protection Agency —

    A REST web service API allowing the retrieval of real time air quality index data from AirNow.
  • Federal

    Ambient Air Quality Data Inventory    recent views

    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

    Historical Ambient Air Quality Data Inventory    recent views

    U.S. Environmental Protection Agency —

    The Historical Ambient Air Quality Data Inventory contains measured and estimated data on ambient air pollution for use in assessing air quality, assisting in...
  • Federal

    RACT/BACT/LAER Clearninghouse (RBLC)    recent views

    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    recent views

    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

    Air Quality System (AQS)    recent views

    U.S. Environmental Protection Agency —

    The Air Quality System (AQS) database contains measurements of air pollutant concentrations from throughout the United States and its territories. The measurements...
  • Federal

    Photochemical Assessment Monitoring Stations (PAMS)    recent views

    U.S. Environmental Protection Agency —

    Photochemical Assessment Monitoring Stations (PAMS). This file provides information on the numbers and distribution (latitude/longitude) of air monitoring sites which...
  • Federal

    Compliance and Emissions Data Reporting Interface (CEDRI)    recent views

    U.S. Environmental Protection Agency —

    EPA regulations codified in 40 CFR Part 60 and 63 require affected sources to perform emissions source tests, conduct continuous emissions monitoring, and submit...
  • Federal

    AP-42 Emissions Factors (WebFIRE)    recent views

    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: 2007 ozone    recent views

    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).
  • Federal

    Air Trends    recent views

    U.S. Environmental Protection Agency —

    Air Trends provides geographic trend information for specific air pollutants.
  • Federal

    Control Measure Dataset    recent views

    U.S. Environmental Protection Agency —

    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...
  • Federal

    AirData    recent views

    U.S. Environmental Protection Agency —

    The AirData site provides access to yearly summaries of United States air pollution data, taken from EPA's air pollution databases. AirData has information about...
  • Federal

    AQS Data Mart    recent views

    U.S. Environmental Protection Agency —

    The AQS Data Mart is a database that contains all of the information from the AQS system. It is a storehouse of air quality information that allows users to make...
  • Federal

    Community Multi-scale Air Quality (CMAQ) Model Outputs    recent views

    U.S. Environmental Protection Agency —

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

    Emissions Modeling Clearinghouse    recent views

    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

    Web page with Air Quality System (AQS) ambient observation files    recent views

    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

    Title V Permitting Statistics Inventory    recent views

    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...
38 datasets found

You can also access this registry using the API (see API Docs).

Didn't find what you're looking for? Suggest a dataset here.