Up to a quarter of all Americans live in areas where radon levels are above the "action level" set by the United States Environmental ... The researchers' map reveals the geographical distribution ...

Average radon concentration across the contiguous United States was estimated at ... begins the journey up again as radon gas. Much of the low radon map overlays well with traditional flood ...

“We spend approximately 90 percent of our lives inside the built environment, so your indoor environment impacts your ...

The Minnesota Department of Health delivered good and bad news to residents this past week. The bad: A map developed by the Department of Health shows how 40 percent of the state’s homes ...

About 1 out of every 10 homes in Wisconsin has high levels of radon gas. In the United States, radon is the leading ... The DHS publishes an interactive map of radon test results to show where ...