Choose another country or region to see content specific to your location and shop online.

Air quality in South Dakota

Air quality index (AQI⁺) and PM2.5 air pollution in South Dakota • 01:53, May 12

Live most polluted city ranking

Real-time South Dakota most polluted city ranking

#	Cities	AQI⁺ US
1	Aberdeen	60
2	Brookings	57
3	Buffalo	57
4	Watertown	55
5	Hot Springs	46
6	Eagle Butte	45
7	Rapid City	42
8	Sioux Falls	42
9	Vermillion	39
10	Pierre	32

Live cleanest city ranking

Real-time South Dakota cleanest city ranking

#	Cities	AQI⁺ US
1	Fort Thompson	24
2	Custer	27
3	Spearfish	27
4	Pierre	32
5	Vermillion	39
6	Rapid City	42
7	Sioux Falls	42
8	Eagle Butte	45
9	Hot Springs	46
10	Watertown	55

Heatwave Map Spotlight: South Asia

Forest wildfire sending thick smoke into the sky

Wildfire Map Spotlight: Max Road Miramar Fire, Florida

Students participating in an EarthMuseum Learn classroom activity.

Revealing the Invisible: EarthMuseum Learn connects classrooms through air quality data

Which is the most polluted city in South Dakota?

globe background

Connect With IQAir

Get exclusive articles, product updates, tips, and occasional offers delivered to your inbox. You can unsubscribe at any time.

View Privacy Policy

Privacy Policy© 2026 IQAir. All rights reserved