Arlington Heights, IL Radon Levels
Check local Arlington Heights radon levels and find certified testing and mitigation professionals to keep your home safe
Arlington Heights, IL Radon Facts
Located in Cook County northwest of downtown Chicago, Arlington Heights shows radon levels averaging 5.6 pCi/L, exceeding the EPA action threshold. The area's glacial till deposits over limestone bedrock, combined with predominantly full-basement homes built between the 1950s and 1990s, create ideal conditions for radon accumulation.
Based on 6 user-submitted radon tests for homes in Arlington Heights, IL. The EPA recommends taking action at or above 4.0 pCi/L.
Arlington Heights, IL Radon Mitigation
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Arlington Heights, IL Radon Levels
User-submitted radon test readings from homes in the Arlington Heights area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 9 pCi/L | Arlington Heights, IL | 100+ Years | Full Basement |
| 7 pCi/L | Arlington Heights, IL | 51-99 Years | Partial Basement |
| 3 pCi/L | Arlington Heights, IL | — | Partial Basement |
| 5 pCi/L | Arlington Heights, IL | 51-99 Years | Full Basement |
| 8 pCi/L | Arlington Heights, IL | — | Full Basement |
Have a radon test result for Arlington Heights? Submit your reading to help other homeowners.
Radon Readings Near Arlington Heights, IL
Compare radon levels in Arlington Heights with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Rolling Meadows | 2.1 mi | 6.00 pCi/L | 2 |
| Prospect Heights | 2.5 mi | 10.00 pCi/L | 1 |
| Mount Prospect | 2.9 mi | 5.33 pCi/L | 3 |
| Palatine | 3.9 mi | 7.80 pCi/L | 5 |
| Wheeling | 4.0 mi | 5.00 pCi/L | 2 |
| Buffalo Grove | 5.0 mi | 6.10 pCi/L | 10 |
| Elk Grove Village | 5.6 mi | 7.00 pCi/L | 4 |
| Schaumburg | 6.4 mi | 4.33 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.