Radon Levels in Arkansas

75 counties — 0 high risk, 14 moderate, 61 low risk

14
61
Zone 1 High (0.0%) Zone 2 Moderate (18.7%) Zone 3 Low (81.3%)

Arkansas Radon Zone Map

Counties colored by EPA radon zone. Red = Zone 1, Orange = Zone 2, Green = Zone 3.

All 75 Counties — By Radon Risk

CountyEPA ZoneTests% Above 4 pCi/L
Baxter Moderate 13 46.2%
Benton Moderate 26 38.5%
Boone Moderate 9
Carroll Moderate 4
Fulton Moderate
Garland Moderate 19 31.6%
Independence Moderate 6
Izard Moderate
Marion Moderate
Montgomery Moderate
Randolph Moderate 4
Searcy Moderate
Sharp Moderate 4
Stone Moderate
Arkansas Low 6
Ashley Low 5
Bradley Low
Calhoun Low
Chicot Low 4
Clark Low
Clay Low 4
Cleburne Low 6
Cleveland Low
Columbia Low 5
Conway Low 4
Craighead Low 15 40%
Crawford Low 9
Crittenden Low 8
Cross Low 6
Dallas Low
Desha Low
Drew Low
Faulkner Low 15 40%
Franklin Low
Grant Low
Greene Low 7
Hempstead Low
Hot Spring Low 6
Howard Low
Jackson Low
Jefferson Low 13 30.8%
Johnson Low
Lafayette Low
Lawrence Low 4
Lee Low
Lincoln Low
Little River Low
Logan Low
Lonoke Low 9
Madison Low
Miller Low 8 50%
Mississippi Low 6
Monroe Low
Nevada Low
Newton Low
Ouachita Low 5
Perry Low
Phillips Low 4
Pike Low
Poinsett Low 7
Polk Low
Pope Low 7
Prairie Low
Pulaski Low 63 22.2%
Saline Low 17 41.2%
Scott Low
Sebastian Low 17 41.2%
Sevier Low
St. Francis Low 4
Union Low 9
Van Buren Low
Washington Low 23 34.8%
White Low 10 40%
Woodruff Low
Yell Low

Sources: EPA Map of Radon Zones, CDC Environmental Health Tracking Network

Frequently Asked Questions

How many counties in Arkansas have high radon risk?

Arkansas has 0 counties classified as EPA Zone 1 (high radon risk), 14 as Zone 2 (moderate), and 61 as Zone 3 (low risk).

Is radon a problem in Arkansas?

The EPA recommends all homes in Arkansas be tested for radon, regardless of which zone they're in.

How do I check radon levels for my Arkansas address?

Enter your ZIP code in the search box above to see your county's EPA radon zone and available testing data. For your specific home's radon level, you'll need a radon test kit.