Northampton, MA Radon Levels
Check local Northampton radon levels and find certified testing and mitigation professionals to keep your home safe
Northampton, MA Radon Facts
Home to Smith College in western Massachusetts's Hampshire County, Northampton recorded an average radon level of 3.0 pCi/L across zip code 01060, falling within EPA recommended ranges but still warranting regular monitoring. Situated in the Connecticut River valley on glacial deposits over metamorphic bedrock, the area shows moderate radon potential that varies with local geology and home construction. The city's diverse housing stock, from Victorian-era homes to modern construction, creates varying foundation conditions that influence radon entry patterns.
Based on 2 user-submitted radon tests for homes in Northampton, MA. The EPA recommends taking action at or above 4.0 pCi/L.
Northampton, MA Radon Mitigation
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Northampton, MA Radon Levels
User-submitted radon test readings from homes in the Northampton area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 3 pCi/L | Northampton, MA | 100+ Years | Full Basement |
Have a radon test result for Northampton? Submit your reading to help other homeowners.
Radon Readings Near Northampton, MA
Compare radon levels in Northampton with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Florence | 3.1 mi | 6.83 pCi/L | 6 |
| Easthampton | 4.3 mi | 6.00 pCi/L | 1 |
| Leeds | 4.3 mi | 5.00 pCi/L | 2 |
| Haydenville | 5.5 mi | 4.00 pCi/L | 1 |
| South Hadley | 6.4 mi | 6.50 pCi/L | 2 |
| Granby | 7.3 mi | 20.00 pCi/L | 1 |
| Amherst | 9.1 mi | 6.00 pCi/L | 2 |
| Sunderland | 9.7 mi | 4.50 pCi/L | 2 |
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.