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 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 safe level of …

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 · A look at frequently asked questions about radon and what Ohioans can do to protect themselves from the toxic gas.

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 …

Aug 7, 2024 · You can't see, feel, taste, or smell it, but radon can be present anywhere. Learn more about this radioactive gas and how to keep your exposure low.

Jul 16, 2025 · Learn about radon, how it affects lung health and what you can do about it. What Is Radon? Radon is a colorless, tasteless and odorless gas that causes lung cancer. Exposure to …

Information about how radon gets into your home, how it affects you, and how to reduce it.

Health effects of radon The health effects of radon are harmful, and include an increased chance of lung cancer. Radon is a radioactive, colorless, odorless, tasteless noble gas, which has been studied by a …