Tinley Park, IL Radon Levels
Check local Tinley Park radon levels and find certified testing and mitigation professionals to keep your home safe
Tinley Park, IL Radon Facts
Residing in Cook County within the Chicago Metro area, Tinley Park shows an average radon level of 7.67 pCi/L based on local testing data — well above the EPA action threshold of 4.0 pCi/L. The community's glacial till soils over limestone bedrock create conditions highly favorable for radon gas production and accumulation. With predominantly single-family homes featuring full basements built between the 1950s and 1990s, residents in zip codes 60477 and 60487 should prioritize radon testing and mitigation when elevated levels are detected.
Based on 3 user-submitted radon tests for homes in Tinley Park, IL. The EPA recommends taking action at or above 4.0 pCi/L.
Tinley Park, IL Radon Mitigation
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Tinley Park, IL Radon Levels
User-submitted radon test readings from homes in the Tinley Park area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 7 pCi/L | Tinley Park, IL | 0-20 Years | Full Basement |
| 8 pCi/L | Tinley Park, IL | 21-50 Years | Partial Basement |
| 8 pCi/L | Tinley Park, IL | 0-20 Years | Full Basement |
Have a radon test result for Tinley Park? Submit your reading to help other homeowners.
Radon Readings Near Tinley Park, IL
Compare radon levels in Tinley Park with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Orland Park | 3.5 mi | 7.00 pCi/L | 3 |
| Mokena | 4.6 mi | 5.67 pCi/L | 3 |
| Matteson | 6.0 mi | 15.00 pCi/L | 1 |
| Palos Heights | 6.3 mi | 5.00 pCi/L | 1 |
| Flossmoor | 7.4 mi | 5.00 pCi/L | 1 |
| Homer Glen | 7.5 mi | 4.33 pCi/L | 3 |
| Richton Park | 8.0 mi | 3.00 pCi/L | 2 |
| New Lenox | 8.7 mi | 10.14 pCi/L | 7 |
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.