Rock Island, IL Radon Levels
Check local Rock Island radon levels and find certified testing and mitigation professionals to keep your home safe
Rock Island, IL Radon Facts
Positioned along the Mississippi River in Rock Island County, Rock Island shows an average radon level of 4.5 pCi/L, which exceeds the EPA action threshold of 4.0 pCi/L. The city's location within the Illinois River valley creates variable radon conditions due to alluvial soils and underlying dolomite formations that can differ significantly from block to block. As part of the Davenport Metro area (61201), homes here benefit from testing and potential mitigation planning.
Based on 2 user-submitted radon tests for homes in Rock Island, IL. The EPA recommends taking action at or above 4.0 pCi/L.
Rock Island, IL Radon Mitigation
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Rock Island, IL Radon Levels
User-submitted radon test readings from homes in the Rock Island area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 4 pCi/L | Rock Island, IL | 51-99 Years | Full Basement |
| 5 pCi/L | Rock Island, IL | 21-50 Years | Full Basement |
Have a radon test result for Rock Island? Submit your reading to help other homeowners.
Radon Readings Near Rock Island, IL
Compare radon levels in Rock Island with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Moline | 3.5 mi | 5.00 pCi/L | 1 |
| Coal Valley | 6.5 mi | 12.00 pCi/L | 1 |
| Orion | 12.8 mi | 4.00 pCi/L | 1 |
| Geneseo | 20.4 mi | 6.00 pCi/L | 1 |
| New Windsor | 20.9 mi | 6.00 pCi/L | 1 |
| Fulton | 32.8 mi | 4.00 pCi/L | 1 |
| Annawan | 34.4 mi | 10.00 pCi/L | 1 |
| Kewanee | 37.3 mi | 8.00 pCi/L | 1 |
Rock Island County Radon Profile
Rock Island County falls in EPA Radon Zone 1, meaning the local uranium-bearing geology is predicted to drive average indoor radon screening levels above the EPA's 4 pCi/L action threshold. Homeowner-submitted tests from 3 cities in Rock Island County average 6.50 pCi/L across 4 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Rock Island County to test, as levels can differ between neighboring homes.