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

Jan 8, 2026 · 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 …

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 health.

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 …

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, …

Jan 23, 2026 · Breathing high levels of radon over time can lead to lung cancer since this gas is a Class A carcinogen. Learn more from Mayo Clinic.

Radon.com is the trusted online source for radon solutions and information. Learn effective strategies to protect your home or workplace from radon exposure.

Radon is a naturally occurring radioactive gas that has become a significant concern in homes and buildings worldwide. Invisible, odorless, and tasteless, radon emerges from the natural decay of …

Radon is a cancer-causing gas that occurs naturally from radioactive materials breaking down in the soil. It can move through the soil and into homes, collecting in the basement or lower levels.

Jan 28, 2026 · A long-awaited update to Canada's national building code requires newly built homes to include a type of radon mitigation system. But what about the millions of existing homes that are at …