Indoor radon levels worldwide
Radon is a radioactive gas that seeps in through a building’s foundation and can build up indoors. Long-term exposure is the second leading cause of lung cancer after smoking.
Do you know your home’s radon level?
What is this map showing me?
You’re viewing recent indoor radon levels measured by homeowners using Airthings* smart radon monitors.
While geology plays an important role, factors like building type, weather, and foundation gaps also impact radon risk levels.
This map does not predict radon risk for your home. In fact, it demonstrates that homes in the same region are reporting varying levels of indoor radon.
Many regional authorities recommend testing every home. Testing is to only way to evaluate the health risk radon may be posing and it’s easy. If you haven’t tested your home, make a plan today!
The only way to know if radon poses a health risk in your home is to test