Concord, MA Radon Levels
Check local Concord radon levels and find certified testing and mitigation professionals to keep your home safe
Concord, MA Radon Facts
Located in historic Middlesex County within the Boston Metro area, Concord in zip code 01742 has an average radon level of 4.0 pCi/L based on available testing data. This reading sits exactly at the EPA action level, making regular testing and monitoring particularly important for homeowners. The region's New England bedrock and glacial soils can produce variable radon concentrations throughout this established community.
Based on 1 user-submitted radon test for homes in Concord, MA. The EPA recommends taking action at or above 4.0 pCi/L.
Concord, MA Radon Mitigation
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Concord, MA Radon Levels
User-submitted radon test readings from homes in the Concord area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 4 pCi/L | Concord, MA | 21-50 Years | Full Basement |
Have a radon test result for Concord? Submit your reading to help other homeowners.
Radon Readings Near Concord, MA
Compare radon levels in Concord with the closest nearby cities that have user-submitted test data.
Middlesex County Radon Profile
The bedrock and soils beneath Middlesex County are classified by the EPA as Radon Zone 1, the highest-risk tier, with predicted average indoor screening levels above 4 pCi/L. Homeowner-submitted tests from 46 cities in Middlesex County average 7.28 pCi/L across 90 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Radon is the second leading cause of lung cancer in the United States, and a short-term test is the only way to confirm a specific home's level in Middlesex County.