Data Catalog

• City

  Respiratory Virus Wastewater Surveillance

  City of Chicago —

  Concentrations of respiratory viruses in the Chicago sewer system as measured at seven sewershed sites since February 2022. In addition to SARS-CoV-2 (the virus that...

  • CSV
  • RDF
  • JSON
  • XML
• 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

  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 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

  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
• City

  Change Notice: COVID-19 Vaccination Column Updates - 2/13/2026

  City of Chicago —

  Upcoming change to the Respiratory Virus Wastewater Surveillance Dataset.
• Federal

  Clean Air Status and Trends Network (CASTNET): Ozone

  U.S. Environmental Protection Agency —

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

  • CSV
• 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

  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

  Cookstove data

  U.S. Environmental Protection Agency —

  No dataset available. This dataset is not publicly accessible because: The dataset was never touched by EPA employees. Data was collected, analyzed, and maintained...

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