AirNow is a partnership of the U.S. Environmental Protection Agency, National Oceanic and Atmospheric Administration (NOAA), National Park Service, NASA, Centers for Disease …

AirNow is a partnership of the EPA, NOAA, National Park Service, NASA, Centers for Disease Control, and tribal, state, and local air quality agencies. AirNow reports air quality using the …

Nov 5, 2025 · The AirNow Fire and Smoke Map, which EPA runs in partnership with the U.S. Forest Service, provides information that you can use to help protect your health from wildfire …

A partnership between the Forest Service-led Interagency Wildland Fire Air Quality Response Program, Forest Service Research, and the Environmental Protection Agency, the Fire and …

6 days ago · The U.S. Environmental Protection Agency, National Oceanic and Atmospheric Administration, National Park Service, tribal, state, and local agencies developed the AirNow …

Apr 19, 2022 · An official website of the United States government. Send a question or a comment to our staff. How is the NowCast algorithm used to report current air quality? Where …

Each year, millions of people visit AirNow.gov to check current air quality and forecast maps that show air quality in the familiar colors of the U.S. Air Quality Index. Travelers to National Parks …

EPA's AirNow mobile app provides a simple interface for quickly checking current and forecast air quality information for planning daily activities and protecting your health.

AirNow is a partnership of the U.S. Environmental Protection Agency; National Oceanic and Atmospheric Administration; National Park Service; National Aeronautics and Space …

The US EPA PM2.5 Air Quality Index (AQI) is a number used by US government agencies to communicate to the public how polluted the air currently is or how polluted it is forecast to …