Radon is a contaminant that affects indoor air quality worldwide. Because radon is denser than air it accumulates in basements and crawlspaces under dwellings.

Radon is a radioactive substance, which means it emits radiation (a type of energy). Radiation can damage your cells, leading to cancer. Experts estimate that radon exposure is the second most …

Jan 8, 2026 · 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 …

Feb 16, 2024 · Radon is an odorless and invisible radioactive gas naturally released from rocks, soil, and water. Radon can get trapped inside homes and buildings, and build up in the air. Over time, …

Oct 3, 2024 · Radon is a colorless and odorless gas that comes from the soil. The gas can accumulate in the home. Radon gas decays into fine particles that are radioactive. When inhaled, these fine …

Jan 14, 2026 · Radon and smoking are both known causes of lung cancer, but when someone is exposed to both, the results can be deadly.

Learn what radon is, how it affects your health, and the steps you can take to protect yourself and your family. Radon is the leading cause of lung cancer among non-smokers in the United States and is …

Jan 13, 2026 · Radon gas is odorless, colorless and the second leading cause of lung cancer. These are some common methods for assessing, preventing or removing it.

Radon.com is the trusted online source for radon solutions and information. Learn effective strategies to protect your home or workplace from radon exposure.

Radon is a naturally occurring radioactive gas that has become a significant concern in homes and buildings worldwide. Invisible, odorless, and tasteless, radon emerges from the natural decay of …