Jun 18, 2026 · Radon is the second leading cause of lung cancer deaths in the United States after cigarette smoke. The EPA and the Surgeon General's office estimate radon is responsible for more …

Emission spectrum of radon-222 (radium emanation), photographed by Ernest Rutherford in 1908. Numbers at the side of the spectrum are wavelengths. The middle spectrum is of radon-222, while …

Information about how radon gets into your home, how it affects you, and how to reduce it.

Nov 7, 2024 · Radon is a colorless, odorless gas that you can unknowingly breathe in from your home. Learn about its health effects and how to reduce levels.

Jun 24, 2026 · Find local information related to radon, including your state radon program, with contact information, EPA Regional contacts and a state-specific map.

Oct 27, 2023 · Kansas Radon 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 …

Jul 7, 2026 · Radon Radon is a naturally occurring gas that can have a big impact on indoor air quality and your health. You can't see or smell radon, and it can build up inside homes, buildings and …

Jun 24, 2026 · Exposure to Radon can cause lung cancer in both non-smokers and smokers. Learn more about Radon risks and read studies on the health effects of radon exposure.

Aug 7, 2024 · Radon is a colorless, odorless gas that can harm your lungs over time. Learn about its health effects, symptoms of exposure, and how to reduce your risk.

Check radon levels by zip code in your area with our updated database. Learn how to safeguard your home from radon exposure by seeing radon levels by zip code.