Atlanta, GA Radon Levels
Check local Atlanta radon levels and find certified testing and mitigation professionals to keep your home safe
Atlanta, GA Radon Facts
Georgia's capital city spans multiple counties including Cobb County, where local testing shows an average radon level of 8.8 pCi/L, significantly exceeding the EPA action threshold of 4.0 pCi/L. The crystalline bedrock underlying the Atlanta Metro creates conditions conducive to radon production, with readings ranging from 4.0 to 15.0 pCi/L across tested homes. Atlanta's diverse housing stock, from historic neighborhoods to modern subdivisions, requires careful attention to radon testing and mitigation.
Based on 5 user-submitted radon tests for homes in Atlanta, GA. The EPA recommends taking action at or above 4.0 pCi/L.
Atlanta, GA Radon Mitigation
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Atlanta, GA Radon Levels
User-submitted radon test readings from homes in the Atlanta area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 7 pCi/L | Atlanta, GA | 0-20 Years | Full Basement |
| 15 pCi/L | Atlanta, GA | 51-99 Years | No Basement/All Crawl Space |
| 6 pCi/L | Atlanta, GA | 0-20 Years | Full Basement |
| 4 pCi/L | Atlanta, GA | 51-99 Years | Full Basement |
| 12 pCi/L | Atlanta, GA | 51-99 Years | Partial Basement |
Have a radon test result for Atlanta? Submit your reading to help other homeowners.
Radon Readings Near Atlanta, GA
Compare radon levels in Atlanta with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Avondale Estates | 7.7 mi | 10.00 pCi/L | 1 |
| Decatur | 8.2 mi | 9.00 pCi/L | 1 |
| Stone Mountain | 11.8 mi | 6.00 pCi/L | 2 |
| Mableton | 12.5 mi | 4.67 pCi/L | 3 |
| Marietta | 13.1 mi | 4.00 pCi/L | 1 |
| Forest Park | 13.2 mi | 10.00 pCi/L | 1 |
| Roswell | 16.0 mi | 4.00 pCi/L | 1 |
| Lithonia | 16.2 mi | 20.00 pCi/L | 1 |
Fulton County Radon Profile
Because of its underlying geology, Fulton County is mapped as EPA Radon Zone 1 — the most elevated classification — where predicted indoor screening averages exceed 4 pCi/L. Homeowner-submitted tests from 2 cities in Fulton County average 5.00 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 Fulton County home regardless of zone or a neighbor's results.