South Carolina Air Quality by City
South Carolina has 8 cities with an air-quality page, from Charleston (734,681 people) on down. Each page leads with the live AQI, the main pollutant driving it, and a go/no-go for outdoor exercise on the EPA scale.
Cities in South Carolina
| City | Typical AQI (county median, 2025) | Population |
|---|---|---|
| Charleston | 47 Good | 734,681 |
| Columbia | 47 Good | 610,536 |
| Greenville | 47 Good | 402,612 |
| Myrtle Beach | 39 Good | 348,669 |
| Rock Hill | 43 Good | 240,159 |
| Spartanburg | 48 Good | 218,799 |
| Mauldin | 47 Good | 189,546 |
| Latta | No EPA monitor | 1,455 |
Our dataset lists 473 places in South Carolina; the 8 above have a page. For a smaller town, the nearest city above is the closest match.