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  • 38 datasets found

    Publishers: U.S. EPA Office of Air and Radiation (OAR) - Office of Air Quality Planning and Standards (OAQPS)

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    • www.FuelEconomy.gov

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

    • AirCompare

      AirCompare contains air quality information that allows a user to compare conditions in different localities over time and compare conditions in the same location at different...

    • Regional Air Quality Data

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

    • AirNow Real Time Air Quality REST API

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

    • RACT/BACT/LAER Clearninghouse (RBLC)

      OAR's RACT, BACT, LAER Clearinghouse (RBLC) data asset contains summary information on selected air permitting actions from EPA, state, and local permitting agencies across the...

    • Air Quality System (AQS)

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

    • AirNow

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

    • AQS Data Mart

      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 queries of...

    • Historical Ambient Air Quality Data Inventory

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

    • Emissions Modeling Clearinghouse

      The Emissions Modeling Clearinghouse (EMCH) supports and promotes emissions modeling activities both internal and external to the EPA. Through this site, the EPA distributes and...

    • AirData

      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 where air...

    • Compliance and Emissions Data Reporting Interface (CEDRI)

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

    • National Emission Inventory

      The National Emission Inventory contains measured, modeled, and estimated data for emissions of all known source categories in the US (stationary sources, fires, light duty...

    • 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...

    • AirData AQS REST API

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

    • Air Emissions Where You Live KMZ File

      A KMZ file with the location of all major facilities that emit pollutants into the atmopshere.

    • Air Quality System (AQS) ambient observations: 2007 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).

    • OAR Tribal System

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

    • Air Trends

      Air Trends provides geographic trend information for specific air pollutants.

    • 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...