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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 This website is no longer updated and links to external websites and some internal pages may not work.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 »

Particulate Matter (PM) Pollution

Particulate Matter (PM) Pollution

Air Quality Where You Live

  • View current and forecasted air quality conditions across the U.S.
  • Explore current locations of wildfires
  • Review data from air quality monitors across the world

Visit AirNow.gov

Note: AirNow is experiencing extremely heavy traffic and may be slow. Visit an alternate map showing air quality from fires.