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

Nov 13, 2025 · 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 …

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. …

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 …

2 days ago · 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. …

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 …

Sep 10, 2025 · One in seven Vermont homes has unsafe levels of radon. Radon is a naturally occurring radioactive gas that can cause lung cancer. Testing is the only way to know if it is in …

4 days ago · PORTLAND, Maine — Health officials are emphasizing the importance of testing homes for radon this month. That’s because January is National Radon Action Month. 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, …

Aug 15, 2025 · What did the National Academy of Sciences have to say about radon? Does the 2009 World Health Organization's recommendation of a lower radon action level affect the …