Air Quality

  • AirNow Fire and Smoke Map

    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 smoke. Use the map to see current particle pollution information for your location, fire and smoke locations, Smoke Forecast Outlooks, and to learn what actions you can take to reduce the amount of smoke you breathe in. 

    Explore the Fire and Smoke Map

  • Air Quality Index

    The U.S. Air Quality Index is EPA's index for reporting air quality. Every day the AQI tells you how clean or polluted your outdoor air is, along with associated health effects that may be of concern.

    Explore the Air Quality Index

  • National Air Quality Status and Trends

    EPA's annual report, Our Nation's Air, summarizes the nation's air quality status and trends through 2023. 

    Read the 2024 Report

You can’t see it, taste it, or feel it but clean air is critical to good health. For over 50 years, the Clean Air Act has played a major role in cutting pollution and improving air quality. This website promotes air quality awareness by providing streamlined access to EPA tools and information about air quality. 

 

  • Air Quality Awareness Week

    Landscape

    Explore Air Quality Awareness Week 2025 information and resources. 

    Air Quality Awareness Week

  • Status and Trends of Key Air Pollutants

    Andrea Clements demonstrates the sensor

    EPA provides a wide variety of air quality resources, from information on the health effects of air pollutants to research funding opportunities... and beyond.

    Explore air quality resources

  • Raise a Flag, Raise Awareness

    Air Quality Flag Program

    Explore the Air Quality Flag Program and learn how you can share air quality information with your community.

    Air Quality Flag Program
Contact Us About Air Quality to ask a question, provide feedback, or report a problem.
Last updated on October 22, 2025