Westwood, MA Radon Levels
Check local Westwood radon levels and find certified testing and mitigation professionals to keep your home safe
Westwood, MA Radon Facts
This Boston Metro suburb in Norfolk County shows an average radon level of 5.0 pCi/L, which exceeds the EPA action threshold. Westwood's glacial till soils and predominantly full-basement housing stock typical of the region create favorable conditions for radon accumulation. Homeowners in zip code 02090 should prioritize testing and mitigation to address potential radon concerns.
Based on 1 user-submitted radon test for homes in Westwood, MA. The EPA recommends taking action at or above 4.0 pCi/L.
Westwood, MA Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
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Westwood, MA Radon Levels
User-submitted radon test readings from homes in the Westwood area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 5 pCi/L | Westwood, MA | 51-99 Years | Full Basement |
Have a radon test result for Westwood? Submit your reading to help other homeowners.
Radon Readings Near Westwood, MA
Compare radon levels in Westwood with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Norwood | 2.0 mi | 5.00 pCi/L | 1 |
| Needham | 4.9 mi | 6.00 pCi/L | 1 |
| Needham Heights | 5.6 mi | 4.00 pCi/L | 1 |
| Roslindale | 6.3 mi | 6.00 pCi/L | 1 |
| Wellesley | 7.1 mi | 4.00 pCi/L | 1 |
| Milton | 7.3 mi | 7.00 pCi/L | 1 |
| Wellesley Hills | 7.4 mi | 8.50 pCi/L | 2 |
| Stoughton | 8.1 mi | 5.00 pCi/L | 1 |
Norfolk County Radon Profile
The soils and bedrock of Norfolk County place it in EPA Radon Zone 2, a moderate-risk classification with predicted indoor averages of 2 to 4 pCi/L. Homeowner-submitted tests from 17 cities in Norfolk County average 8.08 pCi/L across 25 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Norfolk County to test, as levels can differ between neighboring homes.