Glenview, IL Radon Levels
Check local Glenview radon levels and find certified testing and mitigation professionals to keep your home safe
Glenview, IL Radon Facts
Located in Cook County along the northern suburban corridor of the Chicago metro, Glenview has recorded an average radon level of 4.33 pCi/L, which slightly exceeds the EPA's 4.0 pCi/L action threshold. The community sits on glacial till deposits from the Wisconsin glaciation over limestone bedrock, creating soil conditions highly favorable for radon gas production. Glenview's predominantly single-family homes built between the 1950s and 1990s, most with full poured-concrete basements, provide enclosed below-grade spaces where radon accumulates readily.
Based on 3 user-submitted radon tests for homes in Glenview, IL. The EPA recommends taking action at or above 4.0 pCi/L.
Glenview, IL Radon Mitigation
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Glenview, IL Radon Levels
User-submitted radon test readings from homes in the Glenview area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 4 pCi/L | Glenview, IL | 51-99 Years | No Basement/All Crawl Space |
| 5 pCi/L | Glenview, IL | 0-20 Years | Full Basement |
Have a radon test result for Glenview? Submit your reading to help other homeowners.
Radon Readings Near Glenview, IL
Compare radon levels in Glenview with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Wilmette | 4.1 mi | 5.00 pCi/L | 2 |
| Northbrook | 4.2 mi | 6.20 pCi/L | 5 |
| Park Ridge | 4.6 mi | 6.57 pCi/L | 7 |
| Evanston | 5.8 mi | 9.00 pCi/L | 1 |
| Mount Prospect | 6.8 mi | 5.33 pCi/L | 3 |
| Prospect Heights | 7.3 mi | 10.00 pCi/L | 1 |
| Deerfield | 7.3 mi | 4.00 pCi/L | 1 |
| Highland Park | 7.4 mi | 10.00 pCi/L | 3 |
Cook County Radon Profile
Cook County is mapped as EPA Radon Zone 2, where the local geology is predicted to produce moderate indoor screening levels between 2 and 4 pCi/L. Homeowner-submitted tests from 40 cities in Cook County average 6.44 pCi/L across 82 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Radon is the second leading cause of lung cancer in the United States, and a short-term test is the only way to confirm a specific home's level in Cook County.