King, NC Radon Levels
Check local King radon levels and find certified testing and mitigation professionals to keep your home safe
King, NC Radon Facts
Located in Stokes County within the Winston Metro area, King recorded an average radon level of 3.0 pCi/L based on available testing data. This reading falls within the EPA's recommended range, though individual homes may vary significantly due to the area's Piedmont geology and mixed housing stock. Homeowners in zip code 27021 should still conduct testing, as geological conditions in the foothills can produce elevated readings in some properties.
Based on 1 user-submitted radon test for homes in King, NC. The EPA recommends taking action at or above 4.0 pCi/L.
King, NC Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
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King, NC Radon Levels
User-submitted radon test readings from homes in the King area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 3 pCi/L | King, NC | 21-50 Years | — |
Have a radon test result for King? Submit your reading to help other homeowners.
Radon Readings Near King, NC
Compare radon levels in King with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Pilot Mountain | 11.0 mi | 14.00 pCi/L | 1 |
| Walnut Cove | 11.7 mi | 12.00 pCi/L | 1 |
| Winston Salem | 15.7 mi | 6.33 pCi/L | 3 |
| Clemmons | 18.2 mi | 4.00 pCi/L | 2 |
| Mount Airy | 20.1 mi | 5.00 pCi/L | 1 |
| Harmony | 32.4 mi | 5.00 pCi/L | 1 |
| Roaring Gap | 37.4 mi | 11.00 pCi/L | 1 |
| North Wilkesboro | 43.5 mi | 4.00 pCi/L | 1 |
Stokes County Radon Profile
EPA mapping assigns Stokes 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 2 cities in Stokes County average 7.50 pCi/L across 2 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 Stokes County home regardless of zone or a neighbor's results.