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 16.3 pCi/L, based on Airthings measurements across 183 cities.

Updated August 30, 2026

Highest city

16.3pCi/L

Dayton

Virginia city average

2.7pCi/L

across 183 cities

Above action level

24/ 183

cities

Virginia Cities Ranked by Indoor Radon Levels
#	Location	Avg level	vs action level
1	Dayton	16.3 pCi/L	4.1× over
2	Gate City	9.9 pCi/L	2.5× over
3	Dublin	7.4 pCi/L	1.8× over
4	Dahlgren	6.8 pCi/L	1.7× over
5	Winchester	6.8 pCi/L	1.7× over
6	Vinton	6.5 pCi/L	1.6× over
7	Manassas Park	5.5 pCi/L	1.4× over
8	Union Hall	5.3 pCi/L	1.3× over
9	Abingdon	5.2 pCi/L	1.3× over
10	Pearisburg	5.1 pCi/L	1.3× over
11	Bridgewater	4.8 pCi/L	1.2× over
12	Christiansburg	4.8 pCi/L	1.2× over
13	Laurel	4.8 pCi/L	1.2× over
14	Nokesville	4.7 pCi/L	1.2× over
15	Falmouth	4.6 pCi/L	1.1× over
16	Bull Run Mountain Estates	4.5 pCi/L	1.1× over
17	Shenandoah Farms	4.5 pCi/L	1.1× over
18	Lakeside	4.5 pCi/L	1.1× over
19	Staunton	4.4 pCi/L	1.1× over
20	Marshall	4.4 pCi/L	1.1× over
21	Madison Heights	4.4 pCi/L	1.1× over
22	Front Royal	4.1 pCi/L	1.0× over
23	Shawnee Land	4.1 pCi/L	1.0× over
24	Spotsylvania	4.1 pCi/L	1.0× over
✓ Below EPA action level (4 pCi/L)
25	Stephens City	4.0 pCi/L	1.0× under
26	Louisa	3.9 pCi/L	1.0× under
27	Massanutten	3.9 pCi/L	1.0× under
28	Lexington	3.9 pCi/L	1.0× under
29	Middletown	3.7 pCi/L	0.9× under
30	South Riding	3.6 pCi/L	0.9× under
31	Bon Air	3.5 pCi/L	0.9× under
32	Daleville	3.5 pCi/L	0.9× under
33	Buckhall	3.4 pCi/L	0.9× under
34	Woodbridge	3.4 pCi/L	0.8× under
35	Motley	3.4 pCi/L	0.8× under
36	North Shore	3.4 pCi/L	0.8× under
37	Cherry Hill	3.3 pCi/L	0.8× under
38	Prices Fork	3.2 pCi/L	0.8× under
39	Brambleton	3.1 pCi/L	0.8× under
40	Waynesboro	3.1 pCi/L	0.8× under
41	Culpeper	3.1 pCi/L	0.8× under
42	Narrows	3.1 pCi/L	0.8× under
43	Cana	3.0 pCi/L	0.8× under
44	Stafford	3.0 pCi/L	0.8× under
45	Tuckahoe	3.0 pCi/L	0.8× under
46	Chesterfield	3.0 pCi/L	0.8× under
47	Purcellville	3.0 pCi/L	0.7× under
48	Washington	3.0 pCi/L	0.7× under
49	Sudley	2.9 pCi/L	0.7× under
50	Mount Hermon	2.8 pCi/L	0.7× under
51	Bull Run	2.8 pCi/L	0.7× under
52	McLean	2.8 pCi/L	0.7× under
53	Dunn Loring	2.8 pCi/L	0.7× under
54	Spotsylvania Courthouse	2.8 pCi/L	0.7× under
55	New Kent	2.8 pCi/L	0.7× under
56	Hollins	2.8 pCi/L	0.7× under
57	Linton Hall	2.8 pCi/L	0.7× under
58	Short Pump	2.8 pCi/L	0.7× under
59	Rocky Mount	2.7 pCi/L	0.7× under
60	King George	2.7 pCi/L	0.7× under
61	Lorton	2.7 pCi/L	0.7× under
62	Haymarket	2.7 pCi/L	0.7× under
63	Orange	2.7 pCi/L	0.7× under
64	Lake Ridge	2.6 pCi/L	0.7× under
65	Passapatanzy	2.6 pCi/L	0.7× under
66	Blacksburg	2.6 pCi/L	0.7× under
67	Countryside	2.6 pCi/L	0.7× under
68	Franconia	2.6 pCi/L	0.7× under
69	Ashburn	2.6 pCi/L	0.7× under
70	Chesterfield Court House	2.6 pCi/L	0.7× under
71	East Lexington	2.6 pCi/L	0.7× under
72	New Baltimore	2.6 pCi/L	0.6× under
73	Kings Park	2.6 pCi/L	0.6× under
74	Oakton	2.5 pCi/L	0.6× under
75	Bealeton	2.5 pCi/L	0.6× under
76	Vienna	2.5 pCi/L	0.6× under
77	Manassas	2.5 pCi/L	0.6× under
78	Fairfax Station	2.5 pCi/L	0.6× under
79	Hollymead	2.5 pCi/L	0.6× under
80	West Lynchburg	2.5 pCi/L	0.6× under
81	Forest	2.4 pCi/L	0.6× under
82	Blue Ridge	2.4 pCi/L	0.6× under
83	Lynchburg	2.4 pCi/L	0.6× under
84	Massanetta Springs	2.4 pCi/L	0.6× under
85	Merrimac	2.4 pCi/L	0.6× under
86	Roanoke	2.4 pCi/L	0.6× under
87	Salem	2.4 pCi/L	0.6× under
88	Warrenton	2.4 pCi/L	0.6× under
89	Leesburg	2.4 pCi/L	0.6× under
90	North Springfield	2.4 pCi/L	0.6× under
91	Brandermill	2.4 pCi/L	0.6× under
92	Buckingham	2.4 pCi/L	0.6× under
93	Lovettsville	2.3 pCi/L	0.6× under
94	Bowling Green	2.3 pCi/L	0.6× under
95	Nellysford	2.3 pCi/L	0.6× under
96	Floris	2.3 pCi/L	0.6× under
97	Berryville	2.3 pCi/L	0.6× under
98	Sterling	2.3 pCi/L	0.6× under
99	Richmond	2.2 pCi/L	0.6× under
100	Wolf Trap	2.2 pCi/L	0.6× under
101	Great Falls	2.2 pCi/L	0.6× under
102	Powhatan	2.2 pCi/L	0.6× under
103	Timberlake	2.2 pCi/L	0.6× under
104	Pimmit Hills	2.2 pCi/L	0.5× under
105	Broadlands	2.2 pCi/L	0.5× under
106	Chantilly	2.1 pCi/L	0.5× under
107	Radford	2.1 pCi/L	0.5× under
108	Williamsburg	2.1 pCi/L	0.5× under
109	Montclair	2.1 pCi/L	0.5× under
110	Seven Corners	2.1 pCi/L	0.5× under
111	Aquia Harbour	2.1 pCi/L	0.5× under
112	Fredericksburg	2.1 pCi/L	0.5× under
113	Yorkshire	2.1 pCi/L	0.5× under
114	Crozet	2.1 pCi/L	0.5× under
115	University Center	2.1 pCi/L	0.5× under
116	Lake Monticello	2.1 pCi/L	0.5× under
117	Harrisonburg	2.0 pCi/L	0.5× under
118	Dale City	2.0 pCi/L	0.5× under
119	Goochland	2.0 pCi/L	0.5× under
120	Woodlake	2.0 pCi/L	0.5× under
121	Ravensworth	2.0 pCi/L	0.5× under
122	West Springfield	2.0 pCi/L	0.5× under
123	Lincolnia	2.0 pCi/L	0.5× under
124	Charlottesville	2.0 pCi/L	0.5× under
125	Falls Church	1.9 pCi/L	0.5× under
126	Gainesville	1.9 pCi/L	0.5× under
127	Sugarland Run	1.9 pCi/L	0.5× under
128	Burke	1.9 pCi/L	0.5× under
129	Hybla Valley	1.9 pCi/L	0.5× under
130	Jefferson	1.9 pCi/L	0.5× under
131	Mantua	1.9 pCi/L	0.5× under
132	Gordonsville	1.9 pCi/L	0.5× under
133	Centreville	1.9 pCi/L	0.5× under
134	Mechanicsville	1.8 pCi/L	0.5× under
135	Reston	1.8 pCi/L	0.5× under
136	Idylwood	1.8 pCi/L	0.5× under
137	Lake Barcroft	1.8 pCi/L	0.5× under
138	Fort Hunt	1.8 pCi/L	0.5× under
139	Appomattox	1.8 pCi/L	0.5× under
140	Wyndham	1.8 pCi/L	0.5× under
141	Merrifield	1.8 pCi/L	0.4× under
142	Newington	1.8 pCi/L	0.4× under
143	Arlington	1.8 pCi/L	0.4× under
144	Cave Spring	1.8 pCi/L	0.4× under
145	Greenbriar	1.8 pCi/L	0.4× under
146	Ruckersville	1.7 pCi/L	0.4× under
147	Bracey	1.6 pCi/L	0.4× under
148	Dranesville	1.6 pCi/L	0.4× under
149	Stanardsville	1.6 pCi/L	0.4× under
150	Apple Mountain Lake	1.6 pCi/L	0.4× under
151	Belmont	1.6 pCi/L	0.4× under
152	Concord	1.6 pCi/L	0.4× under
153	Tysons Corner	1.6 pCi/L	0.4× under
154	Independent Hill	1.6 pCi/L	0.4× under
155	Mount Vernon	1.6 pCi/L	0.4× under
156	Fairfax	1.5 pCi/L	0.4× under
157	Glen Allen	1.5 pCi/L	0.4× under
158	Herndon	1.5 pCi/L	0.4× under
159	Annandale	1.5 pCi/L	0.4× under
160	Huntington	1.5 pCi/L	0.4× under
161	Oak Grove	1.5 pCi/L	0.4× under
162	Lowes Island	1.5 pCi/L	0.4× under
163	Chester	1.4 pCi/L	0.4× under
164	Chamberlayne	1.4 pCi/L	0.3× under
165	Springfield	1.4 pCi/L	0.3× under
166	Dumbarton	1.4 pCi/L	0.3× under
167	Alexandria	1.3 pCi/L	0.3× under
168	Groveton	1.3 pCi/L	0.3× under
169	Oak Hill	1.3 pCi/L	0.3× under
170	Belle Haven	1.3 pCi/L	0.3× under
171	Strasburg	1.1 pCi/L	0.3× under
172	Baileys Crossroads	1.0 pCi/L	0.3× under
173	Rose Hill	0.9 pCi/L	0.2× under
174	Yorktown	0.8 pCi/L	0.2× under
175	Chesapeake	0.8 pCi/L	0.2× under
176	Hampton	0.7 pCi/L	0.2× under
177	Cedar Bluff	0.7 pCi/L	0.2× under
178	Hanover	0.7 pCi/L	0.2× under
179	Montrose	0.6 pCi/L	0.2× under
180	Virginia Beach	0.6 pCi/L	0.1× under
181	Newport News	0.6 pCi/L	0.1× under
182	Norfolk	0.3 pCi/L	0.1× under
183	Portsmouth Heights	0.3 pCi/L	0.1× under

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