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 ...
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 ...
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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