Air quality in South Dakota
Air quality index (AQI⁺) and PM2.5 air pollution in South Dakota • 22:00, May 21
Live most polluted city ranking
Real-time South Dakota most polluted city ranking
Learn more about global air quality
Which is the most polluted city in South Dakota?
- Clay County
- Jackson County
- Sioux Falls46
- Harding County44
- Custer County42
- Blackhawk39
- Brookings39
- Watertown39
- North Sioux City34
- Fort Thompson23
- Sisseton22
- Milbank21
- Eagle Butte19
- Aberdeen18
- Britton17
- Clear Lake, Marshall County17
- Webster17
- Dupree16
- Mission16
- Murdo16
- North Eagle Butte16
- Rapid City16
- Rosebud16
- White River16
- Custer15
- Spearfish15
- Winner15
- Bison14
- Lemmon14
- Burke13
- Fort Pierre13
- Gregory13
- Groton13
- Hayti13
- Chamberlain12
- Flandreau12
- Garretson12
- Kennebec12
- Lake Andes12
- Platte12
- Volga12
- Wagner12
- Box Elder11
- Colonial Pine Hills11
- Deadwood11
- Kadoka11
- Lower Brule11
- Martin11
- Oglala11
- Philip11
- Pine Ridge11
- Porcupine11
- Rapid Valley11
- Sturgis11
- Summerset11
- Timber Lake11
- Lead10
- Springfield10
- Armour9
- Belle Fourche9
- Brandon9
- Clark9
- Dell Rapids9
- McIntosh9
- Mountain Plains9
- North Spearfish9
- Baltic8
- Buffalo8
- Dakota Dunes8
- Elk Point8
- Leola8
- Mobridge8
- Onida8
- Pierre8
- Tyndall8
- Yankton8
- Alexandria7
- Beresford7
- Canton7
- Crooks7
- De Smet7
- Faulkton7
- Freeman7
- Gettysburg7
- Harrisburg7
- Hartford7
- Highmore7
- Howard7
- Huron7
- Ipswich7
- Lennox7
- Madison7
- Miller7
- Mitchell7
- Mound City7
- Olivet7
- Parker7
- Parkston7
- Plankinton7
- Redfield7
- Salem7
- Selby7
- Tea7
- Wessington Springs7
- Woonsocket7
