Lombard, IL Radon Levels
Check local Lombard radon levels and find certified testing and mitigation professionals to keep your home safe
Lombard, IL Radon Facts
Lombard residents in western DuPage County face radon readings averaging 6.25 pCi/L, which exceeds the EPA's 4.0 pCi/L action threshold. The community's glacial till deposits from Wisconsin glaciation, combined with predominantly postwar homes featuring full basements, create conditions favorable for radon accumulation. Local testing in the 60148 area shows readings ranging from 4.0 to 13.0 pCi/L, emphasizing the importance of individual home testing throughout this Chicago Metro suburb.
Based on 4 user-submitted radon tests for homes in Lombard, IL. The EPA recommends taking action at or above 4.0 pCi/L.
Lombard, IL Radon Mitigation
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Lombard, IL Radon Levels
User-submitted radon test readings from homes in the Lombard area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 13 pCi/L | Lombard, IL | 21-50 Years | Partial Basement |
| 4 pCi/L | Lombard, IL | 21-50 Years | Full Basement |
Have a radon test result for Lombard? Submit your reading to help other homeowners.
Radon Readings Near Lombard, IL
Compare radon levels in Lombard with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Villa Park | 2.0 mi | 12.50 pCi/L | 2 |
| Glen Ellyn | 2.5 mi | 9.00 pCi/L | 3 |
| Oak Brook | 3.6 mi | 10.00 pCi/L | 1 |
| Hinsdale | 3.6 mi | 5.00 pCi/L | 1 |
| Elmhurst | 4.1 mi | 4.00 pCi/L | 1 |
| Addison | 4.3 mi | 4.00 pCi/L | 1 |
| Wheaton | 4.5 mi | 4.00 pCi/L | 1 |
| Glendale Heights | 4.7 mi | 11.00 pCi/L | 1 |
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.