Test Your Home for Radon

"Testing is the only way to know if radon levels are high in your home. Read how CDC’s Tracking Programs are improving radon exposure maps to inform testing in their states and find out more information about testing your home for radon.

Tracking Radon Exposure Risks

Radon is a gas that you cannot see, smell, or taste. According to the U.S. Environmental Protection Agency (EPA), radon causes about 20,000 cases of lung cancer each year, making it the second leading cause of lung cancer after smoking. Radon can seep up from the ground and become trapped in buildings. The EPA recommends taking action to reduce radon in buildings that have a radon level at or above 4 picocuries per liter (pCi/L) of air. Testing is the only way to know if radon levels are high in a particular home or office.."

Radon