Call For A Free Quote: 1-800-299-3578 (toll free) | 404-348-4142 (local)

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

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Fulton County, GA
Zip Code 30303
Avg. User Level 8.80 pCi/L
User Tests 5

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.

8.80
pCi/L average
Above EPA Action Level

Based on 5 user-submitted radon tests for homes in Atlanta, GA. The EPA recommends taking action at or above 4.0 pCi/L.

0
4.0 EPA
10+

Atlanta, GA Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

Need Radon Mitigation or Testing in Atlanta?

  • 100% Free, No-Obligation Quotes
  • Matches You with State-Licensed Fulton County Pros
1-800-299-3578 404-348-4142 (local) Toll-free · Mon–Fri 8am–6pm ET

Atlanta, GA Radon Levels

User-submitted radon test readings from homes in the Atlanta area.

Radon LevelCityHome AgeFoundation
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.

CityDistanceAvg User LevelReadings
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.

Radon FAQ for Atlanta, GA

What is the average radon level in Atlanta, GA?
Based on 5 user-submitted tests, the average radon level in Atlanta is 8.80 pCi/L. This exceeds the EPA's recommended action level of 4.0 pCi/L, and radon testing is recommended for all homes in the area.
What EPA Radon Zone is Atlanta in?
Atlanta and the 30303 zip code are in Fulton County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.
How much does radon mitigation cost in Atlanta?
Radon mitigation in Atlanta typically costs between $800 and $2,000. Most homes with standard basements can be mitigated with a sub-slab depressurization system in the $1,000–$1,500 range. Factors that can increase cost include complex foundations, crawl spaces, or very high radon levels.
Should I test for radon if I'm buying a home in Atlanta?
Yes. Radon testing should be part of every home purchase. A short-term radon test is typically included as part of the home inspection process and costs $150–$250. If elevated levels are found, you can negotiate mitigation as part of the sale.