Data Catalog

• Federal

  Air Quality System (AQS)

  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...

  • HTML
• 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...

  • HTML
• Federal

  AQS Data Mart

  U.S. Environmental Protection Agency —

  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...

  • HTML
• 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

  Photochemical Assessment Monitoring Stations (PAMS)

  U.S. Environmental Protection Agency —

  Photochemical Assessment Monitoring Stations (PAMS). This file provides information on the numbers and distribution (latitude/longitude) of air monitoring sites which...
• 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

  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).

Didn't find what you're looking for? Suggest a dataset here.