South Dakota
17 monitoring stations · readings from 33 to 50
Average AQI
Air quality in South Dakota
Air quality in South Dakota is currently 39 on the AQI scale, which falls in the Good band. That number is the average across every monitoring station reporting in South Dakota right now.
We aggregate 17 stations across South Dakota. Individual stations range from 33 at the cleanest to 50 at the worst, so conditions vary across South Dakota — the local figure matters more than the average.
South Dakota breaks down into 11 cities you can open individually. Of those listed below, Box Elder is reading highest at 50 and Pierre lowest at 33.
Readings refresh hourly from the official monitoring networks we track. Conditions can still change quickly, so check back before planning time outdoors.
What to do at good levels
Outdoor activity
No restrictions. This is a good day for exercise, commuting on foot or bike, and time outside.
Sensitive groups
Children, older adults and people with asthma or heart conditions can go about their day as normal.
Indoor air
Open the windows. Outdoor air is currently cleaner than typical indoor air, so ventilating helps.
Cities in South Dakota
11 cities
Box Elder
Good
- Stations
- 1
- Range
- 50–50
Interior
Good
- Stations
- 1
- Range
- 50–50
Black Hawk
Good
- Stations
- 1
- Range
- 46–46
Pringle
Good
- Stations
- 1
- Range
- 42–42
Rapid City
Good
- Stations
- 2
- Range
- 42–42
Watertown
Good
- Stations
- 2
- Range
- 42–42
Brookings
Good
- Stations
- 2
- Range
- 38–38
Vermillion
Good
- Stations
- 2
- Range
- 33–38
Aberdeen
Good
- Stations
- 2
- Range
- 33–33
Pierre
Good
- Stations
- 1
- Range
- 33–33
Sioux Falls
Good
- Stations
- 2
- Range
- 33–33
About South Dakota
Coordinates
44.079, -99.393
Centroid of monitored stations
Stations
17
Reporting in this area
Spread
33 – 50
Cleanest to worst station reading
Other regions nearby
South Dakota air quality, answered
South Dakota is currently reading an AQI of 39, which is Good. It is the average across 17 reporting stations.
No restrictions. This is a good day for exercise, commuting on foot or bike, and time outside. Children, older adults and people with asthma or heart conditions can go about their day as normal.
39 sits in the Good band of the air quality index. The index runs from 0 to 500, and the lower the number the cleaner the air.
We currently aggregate 17 stations in South Dakota, reading between 33 and 50.
Of the cities currently listed for South Dakota, Box Elder is reading highest at 50 (Good).
Hourly. We pull from the official monitoring networks that publish for this region, and this page refreshes on the same cadence.
See South Dakota on the map.
Every station around it, live — or find out what today's reading means for you personally.


