Data Catalog

• Federal

  AirNow Real Time Air Quality KML File 43 recent views

  U.S. Environmental Protection Agency —

  A KML file with the location of all real time air quality monitors and the current conditions (air quality index).

  • KML
• Federal

  Clean Air Status and Trends Network (CASTNET): Ozone 25 recent views

  U.S. Environmental Protection Agency —

  8-hour daily maximum ozone concentrations as measured by the Clean Air Status and Trends Network (CASTNET)

  • CSV
• Federal

  AirNow Real Time Air Quality REST API 17 recent views

  U.S. Environmental Protection Agency —

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

  • HTML
• Federal

  Clean Air Status and Trends Network (CASTNET) Download Data Module

  U.S. Environmental Protection Agency —

  The CASTNET Download Data module allows users to select, view, and download CASTNET data (Raw, Aggregate, Modeled & Factual Data) based on user selections....

  • CSV
• Federal

  Air Emissions Where You Live KMZ File

  U.S. Environmental Protection Agency —

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

  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).

  • HTML
• 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.

  • KMZ
• Federal

  Web page with links to air quality and emissions data

  U.S. Environmental Protection Agency —

  A web page that describes and links to EPA systems for accessing and downloading ambient (outdoor) air quality and emissions data

  • 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

  Clean Air Status and Trends Network (CASTNET): Visibility

  U.S. Environmental Protection Agency —

  Nephelometer data (conforms to IMPROVE network standards) from October 1993 to June 2002. This table is no longer updated.

  • CSV

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