ArticleProceedings of the National Academy of Sciences of the United States of America2025
High-resolution national radon maps based on massive indoor measurements in the United States.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
11 citing papers in PubMed.
- Indoor Radon Concentrations and Hematologic Traits in the Women's Health Initiative.Epidemiology (Cambridge, Mass.) · 2026Article
- Radium - from discovery to the present day - narrative review.Clinical and experimental medicine · 2026Review
- Association of Plasma IL-6 with Indoor Radon Exposure in Children with Non-Allergic Asthma.Journal of personalized medicine · 2026Article
- The case for space as a model of accelerated aging.Nature aging · 2026Review
- Residential Radon Levels and Ovarian Cancer Among Postmenopausal Women.JAMA network open · 2026Article
- Identifying early-life, environmental, and social stressors as key predictors of U.S. respiratory failure mortality: a machine learning study.Frontiers in public health · 2026Article
- Assessing home environmental hazards for older adults receiving in-home supportive services: the healthy homes assessment tool.Innovation in aging · 2026Article
- Striking Surge in Lung Cancer Incidence in Children of Early Life.Journal of respiratory biology and translational medicine · 2026Article
- Residential radon exposure and incident myocardial infarction and stroke risks in the All of Us Research Program.BMC medicine · 2025Article
- Radon Exposure and Gestational Diabetes.JAMA network open · 2025Observational
- Meta-analysis of the association between indoor environmental pollution and lung cancer risk in never-smokers.American journal of translational research · 2025Review
Corrections and comments
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Authors and funding
4 authors.
Funding
Abstract
Radon, a common radioactive indoor air pollutant, is the second leading cause of lung cancer in the United States. Knowledge about its distribution is essential for risk assessment and designing efficient protective regulations. However, the three current radon maps for the United States are unable to provide the up-to-date, high-resolution, and time-varying radon concentrations. Tens of millions of radon measurements have been conducted as parts of property inspections in the past two decades, making it possible for us to improve the national radon map. We compiled a national database of over 6 million radon measurements conducted by independent laboratories during 2001 to 2021. A random forest model was built to predict monthly community-level radon concentrations based on nearly 200 geological, meteorological, architectural, and socioeconomical factors. Our radon map can accurately show the distribution of radon at higher spatial and temporal resolutions. We observed slight decreases in average radon concentrations in high-radon regions during the study period. But over 83 million people are living in residences with radon concentrations at screening floor over 148 Bq/m3 (the recommended action level). Most of these residences are in low-radon zones, highlighting the need for comprehensive radon surveys. The high-resolution radon maps can be used by federal and local governments to design, update, and improve the regulations. Furthermore, the model can be used to assess residential exposure to radon, thus facilitating studies to expand our understanding of radon's health effects.
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