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 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 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 …

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. Exposure to …

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 heavier …

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 your home.

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 is a radioactive …

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.

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 EPA's radon …