Airthings Logo

Virginia Cities Ranked by Indoor Radon Levels

Measured averages from Airthings devices across Virginia, USA. Action level: 4 pCi/L — the threshold at which remediation is recommended.

Dayton has the highest measured indoor radon in Virginia at 13.4 pCi/L, based on Airthings measurements across 188 cities.

Updated October 19, 2026

Highest city

13.4pCi/L

Dayton

Virginia city average

2.6pCi/L

across 188 cities

Above action level

24/ 188

cities

Virginia Cities Ranked by Indoor Radon Levels
#LocationAvg levelvs action level
1Dayton13.4 pCi/L
3.4× over
2Gate City9.9 pCi/L
2.5× over
3Winchester6.8 pCi/L
1.7× over
4Dublin6.6 pCi/L
1.6× over
5Vinton6.5 pCi/L
1.6× over
6Dahlgren5.9 pCi/L
1.5× over
7Union Hall5.3 pCi/L
1.3× over
8Manassas Park5.2 pCi/L
1.3× over
9Abingdon5.1 pCi/L
1.3× over
10Pearisburg5.1 pCi/L
1.3× over
11Bridgewater4.8 pCi/L
1.2× over
12Christiansburg4.8 pCi/L
1.2× over
13Laurel4.8 pCi/L
1.2× over
14Shawnee Land4.7 pCi/L
1.2× over
15Lakeside4.5 pCi/L
1.1× over
16Nokesville4.5 pCi/L
1.1× over
17Staunton4.5 pCi/L
1.1× over
18Bull Run Mountain Estates4.4 pCi/L
1.1× over
19Madison Heights4.4 pCi/L
1.1× over
20Falmouth4.3 pCi/L
1.1× over
21Amelia Court House4.2 pCi/L
1.1× over
22Marshall4.1 pCi/L
1.0× over
23Stephens City4.1 pCi/L
1.0× over
24Spotsylvania4.1 pCi/L
1.0× over
✓ Below EPA action level (4 pCi/L)
25Louisa4.0 pCi/L
1.0× under
26Front Royal3.9 pCi/L
1.0× under
27Lexington3.9 pCi/L
1.0× under
28Shenandoah Farms3.8 pCi/L
0.9× under
29Massanutten3.7 pCi/L
0.9× under
30Middletown3.7 pCi/L
0.9× under
31Prices Fork3.6 pCi/L
0.9× under
32South Riding3.6 pCi/L
0.9× under
33Bon Air3.5 pCi/L
0.9× under
34Daleville3.5 pCi/L
0.9× under
35Woodbridge3.4 pCi/L
0.8× under
36Motley3.4 pCi/L
0.8× under
37Buckhall3.4 pCi/L
0.8× under
38Cherry Hill3.3 pCi/L
0.8× under
39Culpeper3.3 pCi/L
0.8× under
40North Shore3.3 pCi/L
0.8× under
41Waynesboro3.2 pCi/L
0.8× under
42Tuckahoe3.1 pCi/L
0.8× under
43Chesterfield3.1 pCi/L
0.8× under
44Brambleton3.1 pCi/L
0.8× under
45Narrows3.1 pCi/L
0.8× under
46Cana3.0 pCi/L
0.8× under
47Purcellville3.0 pCi/L
0.7× under
48Sudley2.9 pCi/L
0.7× under
49Stafford2.9 pCi/L
0.7× under
50Blacksburg2.9 pCi/L
0.7× under
51McLean2.8 pCi/L
0.7× under
52Mount Hermon2.8 pCi/L
0.7× under
53Bull Run2.8 pCi/L
0.7× under
54Madison2.8 pCi/L
0.7× under
55Dunn Loring2.8 pCi/L
0.7× under
56Spotsylvania Courthouse2.8 pCi/L
0.7× under
57Hollins2.8 pCi/L
0.7× under
58Washington2.8 pCi/L
0.7× under
59Rocky Mount2.7 pCi/L
0.7× under
60Short Pump2.7 pCi/L
0.7× under
61New Kent2.7 pCi/L
0.7× under
62Countryside2.7 pCi/L
0.7× under
63Haymarket2.7 pCi/L
0.7× under
64King George2.7 pCi/L
0.7× under
65Lorton2.6 pCi/L
0.7× under
66Passapatanzy2.6 pCi/L
0.7× under
67Bowling Green2.6 pCi/L
0.7× under
68Ashburn2.6 pCi/L
0.7× under
69Linton Hall2.6 pCi/L
0.7× under
70Chesterfield Court House2.6 pCi/L
0.7× under
71East Lexington2.6 pCi/L
0.7× under
72Kings Park2.6 pCi/L
0.6× under
73Lake Ridge2.5 pCi/L
0.6× under
74New Baltimore2.5 pCi/L
0.6× under
75Bealeton2.5 pCi/L
0.6× under
76Oakton2.5 pCi/L
0.6× under
77Fairfax Station2.5 pCi/L
0.6× under
78Orange2.5 pCi/L
0.6× under
79Vienna2.5 pCi/L
0.6× under
80Manassas2.4 pCi/L
0.6× under
81Blue Ridge2.4 pCi/L
0.6× under
82Buckingham2.4 pCi/L
0.6× under
83Lynchburg2.4 pCi/L
0.6× under
84Massanetta Springs2.4 pCi/L
0.6× under
85Merrimac2.4 pCi/L
0.6× under
86Roanoke2.4 pCi/L
0.6× under
87West Lynchburg2.4 pCi/L
0.6× under
88Brandermill2.4 pCi/L
0.6× under
89Forest2.4 pCi/L
0.6× under
90Warrenton2.4 pCi/L
0.6× under
91Hollymead2.4 pCi/L
0.6× under
92Salem2.4 pCi/L
0.6× under
93Leesburg2.4 pCi/L
0.6× under
94Franconia2.3 pCi/L
0.6× under
95Nellysford2.3 pCi/L
0.6× under
96Floris2.3 pCi/L
0.6× under
97North Springfield2.3 pCi/L
0.6× under
98Great Falls2.3 pCi/L
0.6× under
99Lovettsville2.2 pCi/L
0.6× under
100Powhatan2.2 pCi/L
0.6× under
101Berryville2.2 pCi/L
0.6× under
102Timberlake2.2 pCi/L
0.6× under
103Sterling2.2 pCi/L
0.5× under
104Chantilly2.2 pCi/L
0.5× under
105Richmond2.2 pCi/L
0.5× under
106Wolf Trap2.2 pCi/L
0.5× under
107Broadlands2.1 pCi/L
0.5× under
108Radford2.1 pCi/L
0.5× under
109Fredericksburg2.1 pCi/L
0.5× under
110Pimmit Hills2.1 pCi/L
0.5× under
111Montclair2.1 pCi/L
0.5× under
112Williamsburg2.1 pCi/L
0.5× under
113Crozet2.1 pCi/L
0.5× under
114Harrisonburg2.1 pCi/L
0.5× under
115University Center2.1 pCi/L
0.5× under
116Kilmarnock2.1 pCi/L
0.5× under
117Seven Corners2.1 pCi/L
0.5× under
118Aquia Harbour2.0 pCi/L
0.5× under
119Dale City2.0 pCi/L
0.5× under
120Goochland2.0 pCi/L
0.5× under
121Ashland2.0 pCi/L
0.5× under
122Ravensworth2.0 pCi/L
0.5× under
123Woodlake2.0 pCi/L
0.5× under
124West Springfield2.0 pCi/L
0.5× under
125Burke2.0 pCi/L
0.5× under
126Lake Monticello2.0 pCi/L
0.5× under
127Charlottesville2.0 pCi/L
0.5× under
128Mantua2.0 pCi/L
0.5× under
129Gainesville1.9 pCi/L
0.5× under
130Falls Church1.9 pCi/L
0.5× under
131Hybla Valley1.9 pCi/L
0.5× under
132Jefferson1.9 pCi/L
0.5× under
133Gordonsville1.9 pCi/L
0.5× under
134Lincolnia1.9 pCi/L
0.5× under
135Centreville1.9 pCi/L
0.5× under
136Greenbriar1.9 pCi/L
0.5× under
137Lake Barcroft1.8 pCi/L
0.5× under
138Reston1.8 pCi/L
0.5× under
139Fort Hunt1.8 pCi/L
0.5× under
140Sugarland Run1.8 pCi/L
0.5× under
141Appomattox1.8 pCi/L
0.5× under
142Yorkshire1.8 pCi/L
0.5× under
143Arlington1.8 pCi/L
0.4× under
144Apple Mountain Lake1.8 pCi/L
0.4× under
145Wyndham1.8 pCi/L
0.4× under
146Merrifield1.7 pCi/L
0.4× under
147Cave Spring1.7 pCi/L
0.4× under
148Idylwood1.7 pCi/L
0.4× under
149Newington1.7 pCi/L
0.4× under
150Ruckersville1.7 pCi/L
0.4× under
151Mechanicsville1.7 pCi/L
0.4× under
152Dranesville1.6 pCi/L
0.4× under
153Mount Vernon1.6 pCi/L
0.4× under
154Stanardsville1.6 pCi/L
0.4× under
155Concord1.6 pCi/L
0.4× under
156Independent Hill1.6 pCi/L
0.4× under
157Belmont1.6 pCi/L
0.4× under
158Tysons Corner1.5 pCi/L
0.4× under
159Fairfax1.5 pCi/L
0.4× under
160Glen Allen1.5 pCi/L
0.4× under
161Oak Grove1.5 pCi/L
0.4× under
162Bracey1.5 pCi/L
0.4× under
163Herndon1.5 pCi/L
0.4× under
164Enon1.5 pCi/L
0.4× under
165Annandale1.5 pCi/L
0.4× under
166Huntington1.5 pCi/L
0.4× under
167Lowes Island1.5 pCi/L
0.4× under
168Chester1.4 pCi/L
0.4× under
169Oak Hill1.4 pCi/L
0.4× under
170Chamberlayne1.4 pCi/L
0.4× under
171Springfield1.4 pCi/L
0.4× under
172Dumbarton1.4 pCi/L
0.3× under
173Groveton1.3 pCi/L
0.3× under
174Alexandria1.3 pCi/L
0.3× under
175Belle Haven1.3 pCi/L
0.3× under
176Strasburg1.1 pCi/L
0.3× under
177Baileys Crossroads1.0 pCi/L
0.3× under
178Rose Hill0.9 pCi/L
0.2× under
179Yorktown0.8 pCi/L
0.2× under
180Chesapeake0.8 pCi/L
0.2× under
181Hampton0.7 pCi/L
0.2× under
182Cedar Bluff0.7 pCi/L
0.2× under
183Hanover0.7 pCi/L
0.2× under
184Montrose0.6 pCi/L
0.2× under
185Virginia Beach0.6 pCi/L
0.1× under
186Newport News0.5 pCi/L
0.1× under
187Norfolk0.4 pCi/L
0.1× under
188Portsmouth Heights0.3 pCi/L
0.1× under
See USA cities ranked by radon levelSee all States ranked by radon level