About 1 out of 10 homes in Wisconsin has high radon levels
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.
Test Your Home
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.
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.
- Looking to test your school for radon? Our Radon in Schools page can help you get started.
- Health care professionals: Reducing the Risk From Radon: Information and Interventions.
- Sharable fact sheet: Is Your Home Radon Safe? The Centers for Disease Control and Prevention also has customizable fact sheets, infographics, and images highlighting the risks of radon.
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