Counties with the Worst Air Quality in West Virginia
The top 13 of 13 West Virginia counties on GIS Map, ranked by median Air Quality Index, counting only counties that host an EPA air monitor.
| # | County | Median AQI |
|---|---|---|
| 1 | Cabell County | 43 |
| 2 | Monongalia County | 43 |
| 3 | Wood County | 43 |
| 4 | Berkeley County | 42 |
| 5 | Hancock County | 41 |
| 6 | Ohio County | 41 |
| 7 | Greenbrier County | 40 |
| 8 | Kanawha County | 40 |
| 9 | Marshall County | 39 |
| 10 | Tucker County | 37 |
| 11 | Brooke County | 36 |
| 12 | Harrison County | 34 |
| 13 | Marion County | 33 |
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 West Virginia”, https://gismap.land/rankings/west-virginia/worst-air-quality-counties. Figures from EPA Air Quality Index annual summary (2024).
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