Huntley, IL Radon Levels
Check local Huntley radon levels and find certified testing and mitigation professionals to keep your home safe
Huntley, IL Radon Facts
This rapidly growing community in McHenry County shows an average radon level of 5.75 pCi/L, significantly exceeding the EPA action level and reflecting the area's glacial till geology. Located in the northwest suburban reaches of the Chicago Metro, zip code 60142 features predominantly newer subdivision homes with full basements where radon readily accumulates. The area's glacial deposits over limestone bedrock create ideal conditions for radon production and migration into homes.
Based on 4 user-submitted radon tests for homes in Huntley, IL. The EPA recommends taking action at or above 4.0 pCi/L.
Huntley, IL Radon Mitigation
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Huntley, IL Radon Levels
User-submitted radon test readings from homes in the Huntley area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 9 pCi/L | Huntley, IL | 21-50 Years | Full Basement |
| 5 pCi/L | Huntley, IL | 21-50 Years | Full Basement |
| 4 pCi/L | Huntley, IL | 0-20 Years | Partial Basement |
Have a radon test result for Huntley? Submit your reading to help other homeowners.
Radon Readings Near Huntley, IL
Compare radon levels in Huntley with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Lake In The Hills | 5.0 mi | 6.50 pCi/L | 4 |
| Algonquin | 6.2 mi | 5.00 pCi/L | 2 |
| Crystal Lake | 7.2 mi | 7.25 pCi/L | 8 |
| Dundee | 8.9 mi | 14.00 pCi/L | 1 |
| Cary | 9.9 mi | 6.00 pCi/L | 3 |
| Woodstock | 10.0 mi | 12.50 pCi/L | 2 |
| Marengo | 10.4 mi | 5.50 pCi/L | 2 |
| Fox River Grove | 10.6 mi | 10.00 pCi/L | 1 |
McHenry County Radon Profile
EPA mapping assigns McHenry County to Radon Zone 2, indicating moderate predicted indoor screening levels in the 2 to 4 pCi/L range based on regional geology. Homeowner-submitted tests from 11 cities in McHenry County average 7.73 pCi/L across 33 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. As the second leading cause of lung cancer in the U.S., radon warrants testing in every McHenry County home regardless of zone or a neighbor's results.