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 …

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, …

Radon mitigation systems and services vary in cost, depending on multiple factors, including the size and structure of your home, the type of mitigation you choose and the radon levels themselves. A …

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

Exposure to radon is the leading cause of lung cancer in people who don’t smoke. Getting your home tested for radon can help protect you and your family and reduce your cancer risk. What is radon? …

Sep 10, 2025 · Radon is a naturally occurring radioactive gas that is colorless and odorless. Radon comes from the natural decay of uranium or thorium, elements found in rocks, soils, and water.