Duluth, MN Radon Levels
Check local Duluth radon levels and find certified testing and mitigation professionals to keep your home safe
Duluth, MN Radon Facts
Positioned in St. Louis County at the western tip of Lake Superior, Duluth sits on Precambrian bedrock formations that can produce elevated radon levels. Local testing data shows an average of 5.0 pCi/L, exceeding the EPA action level and indicating that mitigation may be needed in many homes. The city's steep terrain, older housing stock, and typical basement construction create conditions favorable for radon accumulation throughout the area's multiple zip codes.
Based on 2 user-submitted radon tests for homes in Duluth, MN. The EPA recommends taking action at or above 4.0 pCi/L.
Duluth, MN Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
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Duluth, MN Radon Levels
User-submitted radon test readings from homes in the Duluth area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 4 pCi/L | Duluth, MN | 100+ Years | Full Basement |
| 6 pCi/L | Duluth, MN | 21-50 Years | Partial Basement |
Have a radon test result for Duluth? Submit your reading to help other homeowners.
Radon Readings Near Duluth, MN
Compare radon levels in Duluth with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Carlton | 18.6 mi | 6.00 pCi/L | 1 |
| Cloquet | 19.4 mi | 8.50 pCi/L | 2 |
| Moose Lake | 37.4 mi | 4.00 pCi/L | 1 |
St Louis County Radon Profile
St Louis County has not been assigned a definitive EPA radon zone, so the agency recommends that every home be tested regardless of predicted risk. Homeowner-submitted tests from 1 city in St Louis County average 5.00 pCi/L across 2 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 St Louis County.