Evanston, IL Radon Levels
Check local Evanston radon levels and find certified testing and mitigation professionals to keep your home safe
Evanston, IL Radon Facts
Situated in Cook County along Lake Michigan's shore, Evanston combines historic neighborhoods with modern developments throughout zip codes 60201-60203. The area shows an average radon level of 9.0 pCi/L, significantly exceeding EPA guidelines due to glacial till deposits over limestone bedrock. Full basements common in this Chicago Metro community provide ideal conditions for radon accumulation.
Based on 1 user-submitted radon test for homes in Evanston, IL. The EPA recommends taking action at or above 4.0 pCi/L.
Evanston, IL Radon Mitigation
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Evanston, IL Radon Levels
User-submitted radon test readings from homes in the Evanston area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 9 pCi/L | Evanston, IL | 100+ Years | Full Basement |
Have a radon test result for Evanston? Submit your reading to help other homeowners.
Radon Readings Near Evanston, IL
Compare radon levels in Evanston with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Wilmette | 2.6 mi | 5.00 pCi/L | 2 |
| Glenview | 5.8 mi | 4.33 pCi/L | 3 |
| Park Ridge | 7.6 mi | 6.57 pCi/L | 7 |
| Northbrook | 9.4 mi | 6.20 pCi/L | 5 |
| Highland Park | 10.8 mi | 10.00 pCi/L | 3 |
| River Forest | 11.9 mi | 4.00 pCi/L | 1 |
| Deerfield | 11.9 mi | 4.00 pCi/L | 1 |
| Oak Park | 12.0 mi | 5.33 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.