New data from the Oregon Health Authority indicates some areas around the state, including areas around the Willamette Valley, are at high risk of exposure to a radioactive gas called radon. OHA's ...

New Oregon radon data out Tuesday show many regions of the state at moderate risk of high radon levels, with several pockets of high-risk areas around the Willamette Valley and in eastern and southern ...

New data show that many regions of Oregon are at moderate risk of having elevated radon levels, as well as several high-risk areas, according to a state agency that has an interactive map online to ...

CLARK COUNTY, Wash. -- A new study found that one out of every five homes in Clark County has high levels of radon, a naturally occurring but potentially deadly gas. "We knew it would be high but we ...

New estimates of radon risks across Oregon underscore the need for homeowners to test for the presence of the odorless, invisible radioactive gas, researchers say. The update, released this week, ...

Up to a quarter of all Americans live in areas where radon levels are above the "action level" set by the United States Environmental Protection Agency (EPA). According to a new paper in the journal ...