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 an odorless, invisible, radioactive gas that can enter your home from the ground through cracks in the foundation. A known human carcinogen, radon is the second leading cause of lung …

Apr 13, 2023 · Long-term exposure to high levels of radon can be dangerous to your health. Learn where you’re likely to find high levels of radon, how to test for it, and how it can impact your health.

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 …

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 …

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, …

4 days ago · 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.

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

Denver (January 5, 2026) — Gov. Jared Polis has proclaimed January 2026 National Radon Action Month to encourage Coloradans to reduce their risk of radon-induced lung cancer. The Colorado …