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Web page with Air Quality System (AQS) ambient observation files
Ambient concentrations of most requested pollutants from the national ambient air quality monitoring networks stored in the Air Quality System (AQS). -
AirNow Real Time Air Quality KML File
A KML file with the location of all real time air quality monitors and the current conditions (air quality index). -
Clean Air Markets 2007 Daily Emissions
Daily emissions from entities regulated under Acid Rain and other "cap and trade" programs ... power plants and other facilities -
Clean Air Status and Trends Network (CASTNET): Visibility
Nephelometer data (conforms to IMPROVE network standards) from October 1993 to June 2002. This table is no longer updated. -
Clean Air Markets Division Data and Maps
Allowance Holdings, Emissions, and Acid Deposition Data collected by EPA/OAR/OAP/Clean Air Markets Division -
EPA Geospatial Data Download: Facility and Site Information
Contains information about facilities or sites subject to environmental regulation, including key facility information along with associated environmental interests for use in... -
Clean Air Status and Trends Network (CASTNET) Download Data Module
The CASTNET Download Data module allows users to select, view, and download CASTNET data (Raw, Aggregate, Modeled & Factual Data) based on user selections. CASTNET sites are... -
Clean Air Markets - Compliance Query Wizard
The Compliance Query Wizard is part of a suite of Clean Air Markets-related tools that are accessible at http://ampd.epa.gov/ampd/. The Compliance module provides final... -
KMZ files of EPA Ambient Monitors
KMZ files with the location of all the EPA ambient monitors with the ability to download data from within the description box. -
Clean Air Markets 2006 Daily Emissions
Daily emissions from entities regulated under Acid Rain and other "cap and trade" programs ... power plants and other facilities -
Web page with links to air quality and emissions data
A web page that describes and links to EPA systems for accessing and downloading ambient (outdoor) air quality and emissions data -
Clean Air Markets - Quick Facts and Trends
The Quick Facts and Trends module is part of a suite of Clean Air Markets-related tools that are accessible at https://ampd.epa.gov/ampd. The Quick Facts and Trends module... -
AirData AQS REST API
A REST web service API allowing the retrieval of historical air quality data from EPA. -
AirNow Real Time Air Quality REST API
A REST web service API allowing the retrieval of real time air quality index data from AirNow. -
Clean Air Status and Trends Network (CASTNET): Ozone
8-hour daily maximum ozone concentrations as measured by the Clean Air Status and Trends Network (CASTNET) -
Clean Air Markets Program Data Application (CAMPD)
The Clean Air Markets Program Data (CAMPD) application, accessible at https://campd.epa.gov/, allows users to view Clean Air Markets data through the Custom Data Download Tool... -
Air Quality System (AQS) ambient observations: 2007 ozone
Ambient ozone concentrations for 2007 from the national ambient air quality monitoring networks stored in the Air Quality System (AQS).