Radon Levels in Virginia

117 counties — 54 high risk, 24 moderate, 39 low risk

54
24
39
Zone 1 High (46.2%) Zone 2 Moderate (20.5%) Zone 3 Low (33.3%)

Virginia Radon Zone Map

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

Highest-Risk Counties

AlleghanyZone 1 — High
AmeliaZone 1 — High
AppomattoxZone 1 — High
AugustaZone 1 — High
BathZone 1 — High
BedfordZone 1 — High
BlandZone 1 — High
BotetourtZone 1 — High
BristolZone 1 — High
BrunswickZone 1 — High
BuckinghamZone 1 — High
CampbellZone 1 — High
+42 more

All 117 Counties — By Radon Risk

CountyEPA ZoneTests% Above 4 pCi/L
Alleghany High
Amelia High
Appomattox High
Augusta High
Bath High
Bedford High
Bland High
Botetourt High
Bristol High
Brunswick High
Buckingham High
Campbell High
Chesterfield High
Clarke High
Craig High
Cumberland High
Danville High
Dinwiddie High
Fairfax High
Falls Church High
Fluvanna High
Frederick High
Giles High
Goochland High
Harrisonburg High
Henry High
Highland High
Lee High
Louisa High
Manassas High
Montgomery High
Nottoway High
Orange High
Page High
Patrick High
Pittsylvania High
Powhatan High
Pulaski High
Radford High
Roanoke High
Rockbridge High
Rockingham High
Russell High
Salem High
Scott High
Shenandoah High
Smyth High
Spotsylvania High
Stafford High
Tazewell High
Warren High
Washington High
Winchester High
Wythe High
Albemarle Moderate
Amherst Moderate
Arlington Moderate
Buchanan Moderate
Carroll Moderate
Charlotte Moderate
Charlottesville Moderate
Culpeper Moderate
Dickenson Moderate
Fauquier Moderate
Floyd Moderate
Grayson Moderate
Greene Moderate
Halifax Moderate
Loudoun Moderate
Lunenburg Moderate
Lynchburg Moderate
Madison Moderate
Mecklenburg Moderate
Nelson Moderate
Prince Edward Moderate
Prince William Moderate
Rappahannock Moderate
Wise Moderate
Accomack Low
Alexandria Low
Caroline Low
Charles City Low
Chesapeake Low
Essex Low
Franklin Low
Fredericksburg Low
Gloucester Low
Greensville Low
Hampton Low
Hanover Low
Henrico Low
Isle of Wight Low
James City Low
King George Low
King William Low
King and Queen Low
Lancaster Low
Martinsville Low
Mathews Low
Middlesex Low
New Kent Low
Newport News Low
Norfolk Low
Northampton Low
Northumberland Low
Poquoson Low
Portsmouth Low
Prince George Low
Richmond Low
Southampton Low
Suffolk Low
Surry Low
Sussex Low
Virginia Beach Low
Westmoreland Low
Williamsburg Low
York Low

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

Frequently Asked Questions

How many counties in Virginia have high radon risk?

Virginia has 54 counties classified as EPA Zone 1 (high radon risk), 24 as Zone 2 (moderate), and 39 as Zone 3 (low risk).

Is radon a problem in Virginia?

Virginia has 54 high-risk counties where elevated radon is likely. The EPA recommends all homes in Virginia be tested for radon, regardless of which zone they're in.

How do I check radon levels for my Virginia 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.