The Environmental Protection Agency (EPA) has urged householders and employers to test for Radon, with a new interactive map revealing a sharp increase in the estimated number of high-risk ...

According to EPA’s Map of Radon Zones, all 33 New Mexico counties are in areas of risk. Twenty-six of the counties are in zone two, rated as moderate.

David Fenton, EPA senior scientist, said there was “no doubt” that the new data showed an increase in radon levels. Officials had “expected” to see some increase due to the new maps ...

A new map has revealed that up to 25 percent of Americans live in areas where radon levels are considered unsafe by the Environmental Protection Agency (EPA). Are YOU in the danger zone?

In this Home Zone, we show you one way to test for radon and what to do about it, if your home levels are too high for EPA standards. Recently somebody online asked me why was I putting in a radon ...

Zone 5, whose average is above the danger level stated by the EPA, includes most of South Dakota, North Dakota, Nebraska, parts of Iowa, eastern Pennsylvania and central Ohio.

Click on the map to see radon levels in each Lehigh Valley ZIP code. The EPA’s action level for radon, the point where mitigation steps should be taken, is 4 picocuries per liter.