Air Data: Air Quality Data Collected at Outdoor Monitors Across the US
This website provides access to outdoor air quality data collected from state, local and tribal monitoring agencies across the United States.
An official website of the United States government.
This is not the current EPA website. To navigate to the current EPA website, please go to www.epa.gov. This website is historical material reflecting the EPA website as it existed on January 19, 2021. This website is no longer updated and links to external websites and some internal pages may not work. More information »
Get real-time data at AirNow.gov.
Use the Fire and Smoke map during fire events.
This website provides access to outdoor air quality data collected from state, local and tribal monitoring agencies across the United States.