Radon is a contaminant that affects indoor air quality worldwide. According to the United States Environmental Protection Agency (EPA), radon is the second most frequent cause of lung …

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 …

Jan 23, 2024 · How Radon Gets Into Your Home Key points Radon is an odorless and invisible radioactive gas that can lead to lung cancer. Radon can enter your home through construction …

Sep 5, 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 …

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 …

Check radon levels by zip code in your area with our updated database. Learn how to safeguard your home from radon exposure by seeing radon levels by zip code.

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 cancer-causing, radioactive gas. You can’t see radon. And you can’t smell it or taste it. But it may be a problem in your home. Radon is estimated to cause many thousands of deaths …

Aug 6, 2025 · The following map shows the highest level of radon measured in each county. Data for this map was obtained from two test kit companies (Air Chek and Alpha Energy) and one …

Aug 14, 2025 · Radon is a radioactive gas that comes from the natural breakdown of uranium in the ground. It is a natural part of the air we breathe and is the largest source of an average …