Lithonia, GA Radon Levels
Check local Lithonia radon levels and find certified testing and mitigation professionals to keep your home safe
Lithonia, GA Radon Facts
Located in DeKalb County within the Atlanta Metro area, Lithonia demonstrates an exceptionally high average radon level of 20.0 pCi/L from available testing. This reading significantly exceeds EPA action levels, making immediate radon mitigation critical for homes throughout the 30038 and 30058 zip code areas.
Based on 1 user-submitted radon test for homes in Lithonia, GA. The EPA recommends taking action at or above 4.0 pCi/L.
Lithonia, GA Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
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Lithonia, GA Radon Levels
User-submitted radon test readings from homes in the Lithonia area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 20 pCi/L | Lithonia, GA | 21-50 Years | No Basement/All Crawl Space |
Have a radon test result for Lithonia? Submit your reading to help other homeowners.
Radon Readings Near Lithonia, GA
Compare radon levels in Lithonia with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Stone Mountain | 6.2 mi | 6.00 pCi/L | 2 |
| Conyers | 7.6 mi | 6.00 pCi/L | 1 |
| Decatur | 8.0 mi | 9.00 pCi/L | 1 |
| Avondale Estates | 8.6 mi | 10.00 pCi/L | 1 |
| Snellville | 11.3 mi | 8.75 pCi/L | 4 |
| Lilburn | 11.3 mi | 7.50 pCi/L | 2 |
| Forest Park | 15.5 mi | 10.00 pCi/L | 1 |
| Grayson | 15.8 mi | 18.00 pCi/L | 1 |
Dekalb County Radon Profile
The bedrock and soils beneath Dekalb County are classified by the EPA as Radon Zone 1, the highest-risk tier, with predicted average indoor screening levels above 4 pCi/L. Homeowner-submitted tests from 5 cities in Dekalb County average 9.50 pCi/L across 10 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 Dekalb County.