Granby, MA Radon Levels
Check local Granby radon levels and find certified testing and mitigation professionals to keep your home safe
Granby, MA Radon Facts
Positioned in Hampshire County within the Northampton Metro area, Granby has recorded an exceptionally high average radon level of 20.0 pCi/L. This reading, five times the EPA action threshold, makes radon testing and mitigation critical for all homes in zip code 01033.
Based on 1 user-submitted radon test for homes in Granby, MA. The EPA recommends taking action at or above 4.0 pCi/L.
Granby, MA Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
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Granby, MA Radon Levels
User-submitted radon test readings from homes in the Granby area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 20 pCi/L | Granby, MA | 51-99 Years | Full Basement |
Have a radon test result for Granby? Submit your reading to help other homeowners.
Radon Readings Near Granby, MA
Compare radon levels in Granby with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| South Hadley | 3.4 mi | 6.50 pCi/L | 2 |
| Belchertown | 5.7 mi | 6.67 pCi/L | 3 |
| Ludlow | 6.3 mi | 6.00 pCi/L | 1 |
| Chicopee | 6.5 mi | 9.00 pCi/L | 1 |
| Northampton | 7.3 mi | 3.00 pCi/L | 2 |
| Easthampton | 7.7 mi | 6.00 pCi/L | 1 |
| Amherst | 8.2 mi | 6.00 pCi/L | 2 |
| Florence | 9.9 mi | 6.83 pCi/L | 6 |
Hampshire County Radon Profile
EPA mapping assigns Hampshire 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 10 cities in Hampshire County average 6.86 pCi/L across 21 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 Hampshire County home regardless of zone or a neighbor's results.