
Radon - Wikipedia
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 | US EPA
6 days ago · 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 …
Radon and Your Health | Radon | CDC
Dec 11, 2025 · Radon is an odorless, invisible, radioactive gas naturally released from rocks, soil, and water. Radon can get into homes and buildings through soil, small cracks or holes in your …
Radon | Definition, Properties, Effects, & Facts | Britannica
Dec 11, 2025 · Radon, chemical element, a heavy radioactive gas of Group 18 (noble gases) of the periodic table, generated by the radioactive decay of radium. It is a colorless gas, 7.5 times …
Radon Gas: Causes, Exposure, Symptoms & Complications
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 …
Invisible Danger: Lung Association Urges Home Testing for Cancer ...
Jan 5, 2026 · January is National Radon Action Month, and the American Lung Association is raising awareness of the potential health risks of radon and the importance of home testing. …
Radon myths busted. What you need to know about the deadly gas
Dec 15, 2025 · Radon is released into the air in buildings when radium and uranium decay in the soil.
Radon gas in homes: What to know - State Farm®
1 day 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 | National Institute of Environmental Health Sciences
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, …
About Radon - Ohio Department of Health
Radon is a colorless and odorless gas that comes from the soil. The gas can accumulate in the air we breathe. Exposure to radon over a long period of time can lead to lung cancer. Is there a …