Greenfield, MA Radon Levels
Check local Greenfield radon levels and find certified testing and mitigation professionals to keep your home safe
Greenfield, MA Radon Facts
Located in Franklin County at zip code 01301, Greenfield has recorded an average radon level of 17.0 pCi/L, significantly exceeding the EPA's 4.0 pCi/L action threshold. The region's metamorphic bedrock and older housing stock with stone foundations contribute to these elevated readings. Immediate radon mitigation is recommended for homes with similar levels.
Based on 1 user-submitted radon test for homes in Greenfield, MA. The EPA recommends taking action at or above 4.0 pCi/L.
Greenfield, MA Radon Mitigation
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Greenfield, MA Radon Levels
User-submitted radon test readings from homes in the Greenfield area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 17 pCi/L | Greenfield, MA | 21-50 Years | Full Basement |
Have a radon test result for Greenfield? Submit your reading to help other homeowners.
Radon Readings Near Greenfield, MA
Compare radon levels in Greenfield with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Conway | 7.3 mi | 4.00 pCi/L | 1 |
| Sunderland | 10.6 mi | 4.50 pCi/L | 2 |
| Northfield | 10.6 mi | 12.00 pCi/L | 2 |
| Leverett | 11.2 mi | 9.00 pCi/L | 1 |
| Goshen | 14.3 mi | 12.00 pCi/L | 1 |
| Haydenville | 15.7 mi | 4.00 pCi/L | 1 |
| New Salem | 17.2 mi | 10.00 pCi/L | 1 |
| Leeds | 17.5 mi | 5.00 pCi/L | 2 |
Franklin County Radon Profile
EPA mapping assigns Franklin County to Radon Zone 2, indicating moderate predicted indoor screening levels in the 2 to 4 pCi/L range based on regional geology. Homeowner-submitted tests from 6 cities in Franklin County average 9.13 pCi/L across 8 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. As the second leading cause of lung cancer in the U.S., radon warrants testing in every Franklin County home regardless of zone or a neighbor's results.