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Indoor Air Quality (IAQ)

  • May is Asthma Awareness Month

    Learn how to reduce exposure to environmental asthma triggers and find resources for asthma management.

    Take Action!

  • Radon is a health hazard with a simple solution

    Test. Fix. Save a life.

    Test your home today! 

    Find a Radon Test Kit
     

  • Wildfires Could Impact Your Indoor Air Quality

    Learn how to reduce your exposure to wildfire smoke inside your home.

  • Was your home in a flood?

    Flood water can make the air in your home unhealthy. Mold can grow on wood, drywall, carpet and furniture if they remain wet for more than 24 hours. 

    Learn about flood cleanup

Did You Know...

We spend about 90% of our time indoors. Indoor Air Quality affects everyone, especially the most vulnerable - children, the elderly, and people with health conditions like asthma and heart disease. Take steps to address the most common types of IAQ concerns. 


Learn about
IAQ

learn about indoor air quality
  • Learn about IAQ
    • Air Sensor Technology and IAQ
    • Air Cleaners and Filters
    • Climate Change and IAQ
    • Emergencies and IAQ
    • Webinars, Meetings and Updates
    • Wildfire Smoke Preparedness Grant Program

Protect IAQ in Buildings

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  • IAQ by Building Type
    • Homes
    • Schools
    • Offices & Other Large Buildings
    • Clean Air in Buildings Challenge

Related Topics

  • Asthma
  • Mold
  • IAQ in Schools
  • Radon
  • Indoor airPLUS

  • Indoor Air and Coronavirus (COVID-19)
  • Frequent Questions about Indoor Air and Coronavirus (COVID-19)

Network and Collaborate

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  • Network and Collaborate about IAQ
    • Interagency Committee on Indoor Air Quality (CIAQ)
    • Asthma Community Network 
    • Radon Leaders Saving Lives 

Tour the IAQ House

Tour the IAQ Demo House

  • Learn how to protect the air in your home

Resources

  • EPA Regional Office and State IAQ Information
  • Frequently Asked Questions about IAQ
  • Publications (En Español)
  • Media Materials & Public Service Announcements
  • U.S. Agencies and Hotlines 
    • Read CDC's guidance on ventilation in buildings
  • Secondhand Smoke and E-Cigarette Aerosols
  • Indoor Air Quality en Español
  • Subscribe to Indoor Air Quality Email Updates
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on May 1, 2024
United States Environmental Protection Agency

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