An official website of the United States government.
We've made some changes to EPA.gov. If the information you are looking for is not here, you may be able to find it on the EPA Web Archive or the January 19, 2017 Web Snapshot.
Learn how you can reduce your exposure to wildfire smoke inside your home.
Learn about flood cleanup.Información relacionada en español.
Test. Fix. Save a life. Find a Radon Test Kit
Subscribe to Indoor Air Quality Email Updates
For COVID-19 specific information, visit: https://www.epa.gov/coronavirus.
Contact Us to ask a question, provide feedback, or report a problem.