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 ...
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 ...
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: ...
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