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. Over time, …

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 …

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 …

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 …

Radon is a naturally occurring radioactive gas that is colorless, odorless, and tasteless. It is produced by the breakdown of uranium in soil, rock, and water. Exposure to high levels of radon can lead to lung …

Nov 18, 2024 · Concerned about high radon levels? Learn about different radon testing methods and mitigation options in our comprehensive guide.

Radon is a cancer-causing, radioactive gas. It comes from the natural (radioactive) breakdown of uranium and radium in soil, rock, and water and is released into the air we breathe.

Jun 5, 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.

5 days ago · A large pipe with a fan inside is a simple way to think of a radon mitigation system. But how does it work? We asked an expert to explain.