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Particulate Matter (PM) Pollution

Contact Us
November 11, 2018: 
Protect Yourself from Wildfire Smoke
Fine particles in smoke can cause a range of health problems.

Particulate Matter (PM) Pollution


Particulate
Matter Basics

Setting and Reviewing
the Standards


Implementing
the Standards

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.

Other Common Air Pollutants

See information on all criteria pollutants.

Contact Us to ask a question, provide feedback, or report a problem.