Radon Information for Wisconsin

January 2023 is National Radon Action Month

Governor Evers has proclaimed January as National Radon Action Month in Wisconsin.

Test your house or apartment for radon! Contact a Radon Information Center to get a test kit or reach out to a certified measurement professional.


About 1 out of 10 homes in Wisconsin has high radon levels

 COVID-19 impacts

Learn how Radon Mitigation is impacted by COVID-19.

Radon is a naturally occurring gas that is radioactive and can cause lung cancer.

Radon can leak into your home and is common in Wisconsin.

While you can't see or smell it, you can protect yourself from it.

Testing for radon is common when buying or selling a home, but you should take action now by testing your home.

Test Your Home

Contact a Radon Information Center to get a test kit for around $20; certified measurement professionals are also available.

Fix a Radon Problem

If your radon levels are high, a contractor can fix it. Check out the certified contractor listings.

Save a Life

Radon is the second leading cause of lung cancer in the United States.

Interactive Radon map for Wisconsin


View our interactive map of radon test results to see where radon levels are the highest.


Where does radon come from?

Radon is naturally occurring from the ground, and although you cannot see it or smell it, it can be present in your home.

New resources

Experts are available statewide to answer your questions and provide test kits to the general public.

Have questions or need help? Get in touch with a radon expert by calling
1-888-LOW-RADON (1-888-569-7236).

Last Revised: January 3, 2023