GIS Map
RankingsVirginiaWorst air quality

Counties with the Worst Air Quality in Virginia

The top 25 of 29 Virginia counties on GIS Map, ranked by median Air Quality Index, counting only counties that host an EPA air monitor.

#CountyMedian AQI
1Loudoun County
43
2Fairfax County
42
3Rockingham County
42
4Chesterfield County
41
5Frederick County
41
6Henrico County
41
7Madison County
41
8Wythe County
41
9Albemarle County
40
10Hampton city
39
11Hanover County
39
12Roanoke County
39
13Giles County
38
14Caroline County
37
15Rockbridge County
37
16Suffolk city
37
17Arlington County
36
18Fauquier County
36
19Richmond County
36
20Virginia Beach city
36
21Prince William County
35
22Stafford County
35
23Bristol city
33
24Prince Edward County
33
25Norfolk city
32

Source: EPA Air Quality Index annual summary (2024). All counties with data are ranked. Estimates carry margins of error.

Citing this page: GIS Map, “Counties with the Worst Air Quality in Virginia”, https://gismap.land/rankings/virginia/worst-air-quality-counties. Figures from EPA Air Quality Index annual summary (2024).