Grand Rapids, MI Radon Levels
Check local Grand Rapids radon levels and find certified testing and mitigation professionals to keep your home safe
Grand Rapids, MI Radon Facts
Michigan's second-largest city, located in Kent County, shows radon levels averaging 3.0 pCi/L based on available testing data. While this falls below the EPA action level of 4.0 pCi/L, the reading still warrants attention given the area's glacial geology and prevalence of basement foundations. Residents across Grand Rapids' numerous zip codes should consider radon testing, as individual homes can vary significantly from city-wide averages.
Based on 1 user-submitted radon test for homes in Grand Rapids, MI. The EPA recommends taking action at or above 4.0 pCi/L.
Grand Rapids, MI Radon Mitigation
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Grand Rapids, MI Radon Levels
User-submitted radon test readings from homes in the Grand Rapids area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 3 pCi/L | Grand Rapids, MI | 100+ Years | Full Basement |
Have a radon test result for Grand Rapids? Submit your reading to help other homeowners.
Radon Readings Near Grand Rapids, MI
Compare radon levels in Grand Rapids with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Wyoming | 4.7 mi | 4.00 pCi/L | 1 |
| Jenison | 9.7 mi | 4.00 pCi/L | 2 |
| Byron Center | 11.0 mi | 4.00 pCi/L | 1 |
| Hudsonville | 12.8 mi | 12.00 pCi/L | 1 |
| Rockford | 13.0 mi | 5.00 pCi/L | 1 |
| Allendale | 14.2 mi | 5.00 pCi/L | 1 |
| Saranac | 22.4 mi | 4.00 pCi/L | 1 |
| Holland | 27.0 mi | 5.00 pCi/L | 1 |
Kent County Radon Profile
EPA mapping assigns Kent 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 4 cities in Kent County average 4.00 pCi/L across 4 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 Kent County home regardless of zone or a neighbor's results.