All outdoor and indoor air has some radon in it, and it is the second leading cause of lung cancer deaths after cigarette smoking. Radon can build up in the air in any home or building whether it has a basement, is sealed or drafty, or is new or old. It is a risk anywhere in the country.
There is no known safe level of radon, and you should always aim to have the lowest level. Learn how to test for radon in your home at
