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
15 datasets found
  • Federal

    Regional Air Quality Data 416 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

    AirNow Real Time Air Quality REST API 11 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

    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

    Air Quality System (AQS) 17 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

    AP-42 Emissions Factors (WebFIRE) 11 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

    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

    Control Measure Dataset

    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

    KMZ files of EPA Ambient Monitors

    U.S. Environmental Protection Agency —

    KMZ files with the location of all the EPA ambient monitors with the ability to download data from within the description box.
  • Federal

    AirData AQS REST API

    U.S. Environmental Protection Agency —

    A REST web service API allowing the retrieval of historical air quality data from EPA.
  • Federal

    Community Multi-scale Air Quality (CMAQ) Model Outputs

    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

    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

    Monitoring Knowledge Base (MKB)

    U.S. Environmental Protection Agency —

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

    Control Strategy Tool (CoST)

    U.S. Environmental Protection Agency —

    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...
  • Federal

    AirNow

    U.S. Environmental Protection Agency —

    AirNow is a collaboration between EPA, and othe federal, state and local agencies to provide complete and real-time air quality information.
  • Federal

    WebFIRE

    U.S. Environmental Protection Agency —

    The Factor Information Retrieval (FIRE) Data System is a database management system containing EPA's recommended emission estimation factors for criteria and...
15 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.