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1 in 3 Missouri Homes Exceed Safe Radon Levels: Air Sense Urges St. Louis Summer Testing

1 in 3 Missouri Homes Exceed Safe Radon Levels: Air Sense Urges St. Louis Summer Testing

How to choose a St. Louis radon mitigation contractor: what to check before you sign, from NRPP/NRSB certification and system warranties to post-mitigation testing and transparent pricing.EDWARDSVILLE, Ill., June 23, 2026 (GLOBE NEWSWIRE) -- Air Sense Environmental is urging homeowners across the St. Louis metro to test for radon this summer after the Missouri Department of Health and Senior Services reported that one in three homes in its residential testing program tested above the EPA action level of 4.0 pCi/L. In St. Louis County, average indoor radon measures 3.4 pCi/L, more than double the national average, according to Air Chek data. St. Louis area radon at a glance: Measure Figure Source St. Louis County average indoor radon3.4 pCi/LAir ChekU.S. national indoor average1.3 pCi/LAir ChekEPA action level for mitigation4.0 pCi/LEPA Radon is a colorless, odorless gas and the second leading cause of lung cancer in the U.S., causing an estimated 21,000 deaths a year, according to the

manilatimes17h agoRead more
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News sources: Current news aggregated from GNews API; historical newspaper mentions from Library of Congress Chronicling America

Attribution: GNews API & Library of Congress Chronicling America

By Evan Brooks, Data EditorUpdated Reviewed by Evan Brooks, Data Editor