Addison, IL Radon Levels
Check local Addison radon levels and find certified testing and mitigation professionals to keep your home safe
Addison, IL Radon Facts
Located in DuPage County in the western suburbs of the Chicago Metro, Addison sits atop glacial till deposits that create conditions highly favorable for radon gas production and migration. Based on available testing data, the community shows an average radon level of 4.0 pCi/L, which aligns with the EPA action threshold. Given the region's geological characteristics and predominantly postwar housing with full basements, regular radon testing remains essential for all homeowners in zip code 60101.
Based on 1 user-submitted radon test for homes in Addison, IL. The EPA recommends taking action at or above 4.0 pCi/L.
Addison, IL Radon Mitigation
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Addison, IL Radon Levels
User-submitted radon test readings from homes in the Addison area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 4 pCi/L | Addison, IL | 21-50 Years | Full Basement |
Have a radon test result for Addison? Submit your reading to help other homeowners.
Radon Readings Near Addison, IL
Compare radon levels in Addison with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Wood Dale | 2.2 mi | 4.00 pCi/L | 1 |
| Glendale Heights | 3.9 mi | 11.00 pCi/L | 1 |
| Villa Park | 4.0 mi | 12.50 pCi/L | 2 |
| Lombard | 4.3 mi | 6.25 pCi/L | 4 |
| Elmhurst | 4.3 mi | 4.00 pCi/L | 1 |
| Elk Grove Village | 5.2 mi | 7.00 pCi/L | 4 |
| Roselle | 5.2 mi | 6.00 pCi/L | 1 |
| Glen Ellyn | 5.6 mi | 9.00 pCi/L | 3 |
Dupage County Radon Profile
EPA mapping assigns Dupage 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 25 cities in Dupage County average 6.98 pCi/L across 45 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 Dupage County home regardless of zone or a neighbor's results.