Counties with the Cleanest Air in South Carolina
The top 13 of 13 South Carolina counties on GIS Map, ranked by lowest median Air Quality Index, counting only counties that host an EPA air monitor.
| # | County | Median AQI |
|---|---|---|
| 1 | Berkeley County | 37 |
| 2 | Aiken County | 39 |
| 3 | Darlington County | 40 |
| 4 | Horry County | 40 |
| 5 | Anderson County | 43 |
| 6 | Charleston County | 43 |
| 7 | Chesterfield County | 44 |
| 8 | Edgefield County | 44 |
| 9 | Florence County | 44 |
| 10 | York County | 46 |
| 11 | Richland County | 47 |
| 12 | Greenville County | 48 |
| 13 | Spartanburg County | 49 |
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 Cleanest Air in South Carolina”, https://gismap.land/rankings/south-carolina/cleanest-air-counties. Figures from EPA Air Quality Index annual summary (2024).
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