Data Catalog

• City

  Open Air Chicago Individual Measurements

  City of Chicago —

  Sensors deployed throughout the City by Open Air Chicago measuring fine particulate matter 2.5 (PM2.5) and nitrogen dioxide (NO2). All sensors collect data on PM2.5...

  • CSV
  • RDF
  • JSON
  • XML
• City

  Open Air Chicago Hour Aggregations

  City of Chicago —

  Sensors deployed throughout the City by Open Air Chicago measuring fine particulate matter 2.5 (PM2.5) and nitrogen dioxide (NO2). All sensors collect data on PM2.5...

  • CSV
  • RDF
  • JSON
  • XML
• City

  Open Air Chicago Day Aggregations

  City of Chicago —

  Sensors deployed throughout the City by Open Air Chicago measuring fine particulate matter 2.5 (PM2.5) and nitrogen dioxide (NO2). All sensors collect data on PM2.5...

  • CSV
  • RDF
  • JSON
  • XML
• State

  Title V Emissions Inventory: Beginning 2010

  State of New York —

  A list by county of New York State Title V facilities and the air pollutants emitted from those facilities.

  • CSV
  • RDF
  • JSON
  • XML
• County

  Allegheny County Particulate Matter 2.5

  Allegheny County / City of Pittsburgh / Western PA Regional Data Center —

  The U.S. Environmental Protection Agency provides information on the particulate matter concentration for Allegheny County that have a diameter greater or equal to...

  • CSV
  • ZIP
  • HTML

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

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