AirData: Air Quality Data Collected at Outdoor Monitors Across the US

  • Outdoor Air Quality Data

    Use the tools on this site to access recent and historical data.

    For current air quality, visit AirNow.gov.

    During fire events, use the Fire and Smoke map.

Check out the new AirData!

AirData has an updated look and feel. Test out your favorite tools, download datasets, and generate reports and visualizations using this new interface.

Contact Us about Outdoor Air Quality Data to ask a question, provide feedback, or report a problem.
Last updated on July 21, 2026