Ramping up their campaign to reduce health hazards from radon, state officials released an online map Tuesday that Minnesotans can use to check risk levels in their area. The Minnesota Department of ...

Researchers from Harvard T.H. Chan School of Public Health have assembled a national database with millions of multi-day indoor radon measurements from 2001 to 2021. Findings reveal that nearly 25% of ...

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). Radon is a radioactive gas that has no ...

Average predicted community-level radon concentrations at screening floor across contiguous United States during 2001 to 2021. Credit: Proceedings of the National Academy of Sciences (2025). DOI: ...