
Radon - Wikipedia
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 and Your Health | Radon | CDC
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 Gas: Causes, Exposure, Symptoms & Complications
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 …
Radon | US EPA
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 | Definition, Properties, Effects, & Facts | Britannica
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 …
Midwest Radon-Olathe, KS - Midwest Radon
As radon specialists, our expertise has been sought and successfully applied to all styles of homes and buildings, including multifamily buildings, schools, and all types of large & mixed-use commercial …
Ask An Expert: Learn how radon mitigation systems remove ...
3 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.
Radon | National Institute of Environmental Health Sciences
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.
What is Radon? Understanding the Invisible Risk in Your Home
Radon is an invisible, odorless gas that results from the radioactive decay of uranium found naturally in soil, rock, and water. This naturally occurring radioactive gas seeps into our homes, infiltrating …
Radon Frequently Asked Questions - US EPA
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 …