Indoor Air Quality (IAQ)
Did You Know...
We spend about 90% of our time indoors? Indoor Air Quality impacts everyone, including those who may be more vulnerable - children, the elderly, and people with health conditions like asthma and heart disease. Learn how source control, ventilation and filtration can reduce exposure to indoor pollutants and improve indoor air quality.
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Learn About IAQ
Learn about indoor air quality and ways to improve it where we live, learn, work and play.
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IAQ by Building Type
Learn about indoor air quality in different building types.
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Indoor Pollutants and Sources
What's in your indoor air? Learn about indoor air pollutants and sources.
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IAQ Science and Technologies
Learn about indoor air science and technologies used to help improve indoor air quality.
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Networking and Funding
Discover indoor air quality networking and funding opportunities.
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Upcoming Events and Resources
Find a calendar of events, links to Indoor air-related webinars and helpful resources.
![trending topics](/system/files/styles/small/private/images/2024-08/trending.jpg?itok=JAvoy3x4)
IAQ Topics in the Spotlight
See trending IAQ topics and get the information you need to improve your indoor air quality.
![How to safely place a generator outside away from buildings](/system/files/styles/large/private/images/2021-08/epa-oria-generator-infographic_final_.jpg?itok=YDMZmuxX)
Publications about IAQ
Find IAQ-related publications, factsheets, and infographics.
![frequently asked questions](/sites/default/files/styles/small/public/2018-11/faq325.jpg?itok=Y9--BKup)
Frequently Asked Questions
![Map of the US, split into EPA regions](/system/files/styles/large/private/images/2023-05/us-regions.png?itok=s4rrlFSE)
EPA Regional and State Contacts
Find contact information for EPA's 10 regional offices and state IAQ information.