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

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 …

Since the building can hold the radon similarly to smoke trapped under a glass, indoor radon concentrations can increase to many times that of outdoor levels. The only way to know the radon …

Dec 11, 2025 · Radon is an odorless, invisible, radioactive gas naturally released from rocks, soil, and water. Radon can get into homes and buildings through soil, small cracks or holes in your home's …

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 …

Sep 10, 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.

Dec 14, 2025 · Radon monitors will soon be available at Columbus libraries. Here's what to know about the deadly gas.

3 days ago · Raleigh In recognition of National Radon Action Month, the North Carolina Department of Health and Human Services is providing 8,000 free radon test kits available beginning Jan. 1, 2026, …

Nov 20, 2025 · Radon, the second-leading cause of lung cancer, affects an estimated 50% of Ohio homes. The state lacks testing mandates despite known health risks and widespread contamination …