20%tests ≥ 4 pCi/L
154tests on record
1.6median pCi/L
Zone 2EPA zone (1993 prediction)

Test results in Clayton County

ResultShareEPA guidance
Below 2 pCi/L56%Below EPA's levels
2 to 4 pCi/L24%Consider fixing
4 pCi/L or more20%EPA recommends fixing

What the data shows

Where Clayton County sits among Georgia's 129 counties with dataEach dot is a county's share of tests at or above 4 pCi/L · Radon test results from laboratories, 2008–2017
0%20%40%60%

How Clayton County compares

Clayton County ranks 5 of 6 among its neighboursShare of tests at or above 4 pCi/L · Radon test results from laboratories, 2008–2017 · whisker: 95% range
Spalding County34%Fayette County30%Henry County23%Fulton County21%Clayton County20%DeKalb County18%Georgia 25%
Data table
AreaTests ≥ 4 pCi/LTests
Spalding County34%107
Fayette County30%873
Henry County23%384
Fulton County21%4,858
Clayton County20%154
DeKalb County18%3,475
Georgia (129 counties)25%30,152

Same source as Clayton County.

What it means for your home

About 1 in 5 results in Clayton County were at or above 4 pCi/L, where the EPA recommends a fix. Only a test shows your own home's level.

Levels in pCi/L from the EPA. The WHO reference level is 100 Bq/m³, about 2.7 pCi/L.

Test your home

Start with a short-term test (2–90 days) and confirm a result of 4 pCi/L or more with a second test. EPA guide

Sponsored: we earn a commission on purchases through these links. We haven't tested Airthings monitors yet.

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Fixing high radon

No local job records yet. National range: $800–$2,500, average $1,200 (EPA, 2003). Cost guide →

About this data

Source: Radon test results from laboratories (CDC Environmental Public Health Tracking Network). Period: 2008–2017. Tests: 154. Read the methodology →

These are voluntary and real-estate tests, not a random sample of homes, so they describe tested homes rather than every home.

About this page

Published by Ray Roman, editor of Radon by County. Figures are loaded from the cited source and spot-checked against it. Editorial policy · About us