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AirHistory

Air Quality in South Dakota

10-year air quality trends for 10 monitored areas in South Dakota.

See full South Dakota air quality rankings →
10
Cities
36
Avg AQI (5yr)
4
Improving
1
Stable
5
Worsening

All Monitored Areas in South Dakota

Frequently Asked Questions

South Dakota has 10 monitored areas with an average 5-year AQI of 36 and an average Air Quality Grade of B. 4 cities are improving, 5 are worsening, and 1 are stable.

Hughes, South Dakota has the best Air Quality Grade (A) in South Dakota with a 5-year average AQI of 13.

Of 10 monitored areas in South Dakota, 4 are showing improving trends, 5 are worsening, and 1 remain stable over the past decade.

Sources: EPA Air Quality System (AQS)
Last updated: