Nov 12, 2025 · Radon is found in outdoor air and in the indoor air of buildings of all kinds. The EPA recommends homes be fixed if the radon level is 4 pCi/L (picocuries per liter) (150 becquerels per …

Between 2.0 and 4.0 pCi/L: These levels are still considered urgent and should lower radon levels where possible. Below 2.0 pCi/L: Considered safer, but level of radon gas should continued to be monitored.

4 days ago · Radon test results can be confusing. Learn what pCi/L means, what levels are considered safe, and how to get an accurate reading of your home.

When you hear the term radon levels, this refers to the amount of radon present in a given area (generally your home). These levels are measured in picocuries per liter (pCi/L). There is no safe …

The safe level of radon at home, as recommended by the EPA, is 4 picocuries per liter (pCi/L) of air or 148 becquerels per cubic meter (Bq/m3). Levels above this are dangerous as it can cause lung …

Feb 15, 2024 · There is no known safe level of radon. Aiming for the lowest radon level you can achieve in your home will reduce your risk of harmful health effects, including lung cancer.

Confused by your radon test results? Learn safe radon levels, compare EPA and WHO action limits, and know when mitigation is recommended.

Radon mitigation systems are relatively simple and relatively low-cost. Typical systems involve sealing off all leaks at the ground level and using an exhaust system to collect radon under the building’s …

Aug 23, 2025 · While the U.S. Environmental Protection Agency (EPA) sets the action level at 4.0 picocuries per liter (pCi/L), no radon exposure is entirely safe. Long-term exposure, even at lower …

A safe radon level is typically defined as one that poses a minimal health risk, such as levels below <150 Bq/m3 or < 4.0 pCi/L - the recommended threshold set by health organizations.