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

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. …

3 days ago · 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 …

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 …

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 …

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.

May 28, 2025 · Here's everything you need to know about radon — and why testing your home today can prevent a lung cancer diagnosis in the future.

Radon is a noble gas with the chemical symbol Rn and atomic number 86. It is unique among the noble gases due to its radioactivity. Radon is produced from the decay of uranium, which is …

Jul 31, 2024 · Radon is a naturally occurring radioactive gas. It is invisible and has no odor or taste. It comes from the normal decay of uranium and thorium. These are two chemical …

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