South Dakota(SD)

Air quality overview and monitoring data — 2025

77

Monitoring Sites

1,867

Active Monitors

23

Counties with Data

15

Cities Monitored

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County Air Quality

CountyMedian AQI ▲90th %ileMax AQIGoodModerateUSGUnhealthy
Hughes1441881691000
Brown2554841552300
Pennington31601071433710
Codington33571541473011
Minnehaha36581151503110
Clay3757741382900
Meade424971172900
Jackson4454771423900
Custer4661871315000
Brookings4873154968221

Pollutant Trends

Ozone

No data available

PM2.5

No data available

PM10

No data available

CO

No data available

NO2

No data available

SO2

No data available

Neighboring States

IowaMinnesotaMontanaNebraskaNorth DakotaWyoming

External Links