Glendale Heights, IL Radon Levels
Check local Glendale Heights radon levels and find certified testing and mitigation professionals to keep your home safe
Glendale Heights, IL Radon Facts
Nestled in DuPage County within the western suburbs of the Chicago metro, Glendale Heights is built on glacial till deposits from the Wisconsin glaciation that create soil conditions highly favorable for radon gas production. The community's average radon level of 11.0 pCi/L significantly exceeds EPA action guidelines, reflecting the area's predominantly single-family homes with full basements typical of postwar suburban development. Residents in the 60139 zip code should prioritize professional radon mitigation to address these elevated readings.
Based on 1 user-submitted radon test for homes in Glendale Heights, IL. The EPA recommends taking action at or above 4.0 pCi/L.
Glendale Heights, IL Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
Need Radon Mitigation or Testing in Glendale Heights?
- 100% Free, No-Obligation Quotes
- Matches You with State-Licensed Dupage County Pros
Glendale Heights, IL Radon Levels
User-submitted radon test readings from homes in the Glendale Heights area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 11 pCi/L | Glendale Heights, IL | 21-50 Years | Full Basement |
Have a radon test result for Glendale Heights? Submit your reading to help other homeowners.
Radon Readings Near Glendale Heights, IL
Compare radon levels in Glendale Heights with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Carol Stream | 3.4 mi | 6.00 pCi/L | 1 |
| Glen Ellyn | 3.8 mi | 9.00 pCi/L | 3 |
| Addison | 3.9 mi | 4.00 pCi/L | 1 |
| Roselle | 4.1 mi | 6.00 pCi/L | 1 |
| Wheaton | 4.6 mi | 4.00 pCi/L | 1 |
| Lombard | 4.7 mi | 6.25 pCi/L | 4 |
| Winfield | 4.9 mi | 5.75 pCi/L | 4 |
| Wood Dale | 5.7 mi | 4.00 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.