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. …

Jan 25, 2023 · Radon escapes from the ground into the air, where it decays and produces further radioactive particles. As we breathe, these particles are deposited on the cells lining the …

Feb 15, 2024 · Radon is a radioactive gas that is naturally released in the air from rocks and soil. It can be found in the air outside and can build up inside buildings and homes. There is no …

Dec 2, 2024 · Radon is found in outdoor air and in the indoor air of buildings of all kinds. The EPA recommends homes be fixed if the radon level is 4 pCi/L (picocuries per liter) (150 becquerels …

Mar 3, 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 …

Jan 24, 2025 · You can't see or smell radon, and it can build up inside homes, buildings and schools to dangerous levels. Exposure to high levels of radon can cause lung cancer. Learn …

Feb 27, 2025 · Radon is the number one cause of lung cancer among non-smokers, according to EPA estimates. Overall, radon is the second leading cause of lung cancer. Radon is …

Feb 2, 2024 · Radon is measured in units of picocuries per liter (pCi/L) of air. Radon is naturally found in outdoor air at very low levels and some radon will always be in your indoor air. …

Radon levels are measured in picocuries per liter (pCi/L) of air. The EPA recommends reducing radon at levels at or above 4 pCi/L and considers action for levels between 2 pCi/L and 4 pCi/L.

What Makes Indoor Air Unhealthy? The American Lung Association's Radon Basics course is a free one-hour interactive online learning program designed to help people understand more …