Radon

Test your nest for radon

January is National Radon Action Month

Take action against the second leading cause of lung cancer.

Find a radon test kit

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

You can’t see or smell radon. Testing is the only way to know your level of exposure. Radon can have a big impact on your health and indoor air quality. All homes should be tested for radon.

Radon Risks and Solutions

Learn how you can reduce your risk and exposure to radon.

Protect your family
National Radon Action Plan

Read about the national multisector strategies to prevent exposure to radon.

Help advance NRAP goals
Standards of Practice

Review technical standards for radon professionals.

Learn about current standards
Frequently Asked Questions

Search most common questions or send a question to our customer care team.

Find answers
State and Tribal Indoor Radon Grants

Access resources on the EPA’s State and Tribal Indoor Radon Grants (SIRG) program.

Review SIRG resources
Radon Outreach and Media

Stay informed and help communicate strategies to reduce radon risk.

Discover radon resources