One Day Radon

Do you know your zone?

No matter where you live, test your home for radon—it’s easy and inexpensive. Fix any problems. Breathe safely.

1 in 15 homes have high radon levels.
Don't let yours be one of them.

Radon: Protect Yourself and Your Family From Radon Radon is a natural radioactive gas that can build up inside of homes and can cause lung cancer over time. A home radon test is the only way to know if radon ...

Test your home. Mitigate any problems. Retest.

Breathe safely.

Protect health with radon testing Radon is a leading cause of lung cancer. Protect your health from this invisible threat by testing your home.

Don't ignore this "invisible threat."
Test your home for radon. Mitigate any problems. Breathe safely.

Cancer Survivor Advises Radon Testing; More Than 80,000 Illinois Homes Have Tested High Since 2015 Radon is an invisible threat lurking in thousands of Illinois homes.