Mount Prospect, IL Radon Levels
Check local Mount Prospect radon levels and find certified testing and mitigation professionals to keep your home safe
Mount Prospect, IL Radon Facts
Mount Prospect in Cook County shows an average radon level of 4.0 pCi/L based on local testing, right at the EPA action threshold for this northwest Chicago suburb. The community's predominantly postwar housing stock features full basements typical of the region, where glacial till over limestone bedrock creates favorable conditions for radon accumulation. While current readings are at the borderline level, ongoing testing remains important as radon levels can vary seasonally and between individual properties.
Based on 3 user-submitted radon tests for homes in Mount Prospect, IL. The EPA recommends taking action at or above 4.0 pCi/L.
Mount Prospect, IL Radon Mitigation
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Mount Prospect, IL Radon Levels
User-submitted radon test readings from homes in the Mount Prospect area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 5 pCi/L | Mount Prospect, IL | 51-99 Years | Partial Basement |
| 3 pCi/L | Mount Prospect, IL | 51-99 Years | Full Basement |
Have a radon test result for Mount Prospect? Submit your reading to help other homeowners.
Radon Readings Near Mount Prospect, IL
Compare radon levels in Mount Prospect with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Arlington Heights | 2.9 mi | 6.17 pCi/L | 6 |
| Prospect Heights | 3.0 mi | 10.00 pCi/L | 1 |
| Rolling Meadows | 4.2 mi | 6.00 pCi/L | 2 |
| Elk Grove Village | 4.7 mi | 7.00 pCi/L | 4 |
| Wheeling | 5.0 mi | 5.00 pCi/L | 2 |
| Park Ridge | 6.0 mi | 6.57 pCi/L | 7 |
| Northbrook | 6.4 mi | 6.20 pCi/L | 5 |
| Palatine | 6.8 mi | 7.80 pCi/L | 5 |
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.