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

Jan 8, 2026 · 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 …

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 …

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, …

Learn what radon is, how it affects your health, and the steps you can take to protect yourself and your family. Radon is the leading cause of lung cancer among non-smokers in the United States and is …

6 days ago · 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 …

Radon is a colorless, odorless, tasteless, invisible and chemically inert gas that comes from the decay of radium in the soil. Radium is a decay product of

6 days 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.

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 …

Jan 12, 2026 · The public is encouraged to call DEP’s Radon Division at 717-783-3594, or the Radon Hotline at 800-237-2366, for help with interpreting their test results and what follow-up action may be …