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. …

Radon is a naturally occurring, radioactive gas found in soil and rock that gets into the air you breathe. It seeps into buildings through cracks in the foundation, walls, and joints.

Apr 13, 2023 · Long-term exposure to high levels of radon can be dangerous to your health. Learn where you’re likely to find high levels of radon, how to test for it, and how it can impact your …

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 …

Oct 3, 2024 · Radon is a colorless and odorless gas that comes from the soil. The gas can accumulate in the home. Radon gas decays into fine particles that are radioactive. When …

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 …

Jan 25, 2021 · Radon is an odorless, invisible, radioactive gas that can enter your home from the ground through cracks in the foundation. A known human carcinogen, radon is the second …

Radon is a gas you can't see, smell, or taste. It naturally comes from the breakdown of uranium in soil and rocks. Radon can enter your home through small cracks in floors, walls, or around …

Sep 16, 2025 · Radon is a radioactive gas that comes from the breakdown of naturally occurring uranium in soil and rock. It is invisible, odorless and tasteless, and can only be detected by …