Data Catalog

• Federal

  AirCompare

  U.S. Environmental Protection Agency —

  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...

  • HTML
• 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...

  • HTML
• 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.

  • HTML
• 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

  Compliance and Emissions Data Reporting Interface (CEDRI)

  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)

  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

  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.

  • HTML
• Federal

  Air Trends

  U.S. Environmental Protection Agency —

  Air Trends provides geographic trend information for specific air pollutants.

  • HTML
• 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

  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

  KMZ file of EPA Ambient Ozone Monitors

  U.S. Environmental Protection Agency —

  A KMZ file with the location of all the EPA ambient ozone monitors with the ability to download data from within the description box.

  • ZIP
• 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

  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

  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).

  • ZIP

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

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