Stay updated with real-time air quality in South Dakota, USA featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
31
Good
South Dakota, USA
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.61 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
10.30 μg/m³
0
55
155
255
425
605+
34.10 ppb
0
55
71
86
201
201+
0.84 ppb
0
36
76
186
605
1005+
1.94 ppb
0
54
101
361
1250
2050+
0.19 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
South Dakota, USA
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| City | AQI | PM2.5 | PM10 | O3 | SO2 | NO2 | CO |
|---|---|---|---|---|---|---|---|
AQI 29
Good
2.22μg/m³
PM2.5
8.44μg/m³
PM10
31.08ppb
O3
0.99ppb
SO2
1.40ppb
NO2
0.20ppm
CO
AQI 27
Good
4.85μg/m³
PM2.5
22.48μg/m³
PM10
26.09ppb
O3
0.94ppb
SO2
6.91ppb
NO2
0.30ppm
CO
AQI 33
Good
5.94μg/m³
PM2.5
19.14μg/m³
PM10
26.54ppb
O3
0.41ppb
SO2
5.90ppb
NO2
0.27ppm
CO
AQI 33
Good
5.61μg/m³
PM2.5
24.91μg/m³
PM10
27.77ppb
O3
0.40ppb
SO2
4.60ppb
NO2
0.21ppm
CO
AQI 31
Good
1.35μg/m³
PM2.5
6.37μg/m³
PM10
32.68ppb
O3
1.84ppb
SO2
1.93ppb
NO2
0.18ppm
CO
AQI 25
Good
4.08μg/m³
PM2.5
25.98μg/m³
PM10
27.28ppb
O3
1.35ppb
SO2
24.72ppb
NO2
0.68ppm
CO
Air quality measurements for South Dakota, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for South Dakota, USA is updated on an hourly basis.
The worst air quality in South Dakota, USA was recorded at 12:00:00 on 2026-03-09.
The best air quality in South Dakota, USA was recorded at 10:00:00 on 2026-03-09.
The real-time air quality index in South Dakota, USA is 31, currently categorized as Good.
The most common pollutant in South Dakota, USA is O3.
If the air quality in South Dakota, USA is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in South Dakota, USA at present are 3.474 μg/m3.
The current PM10 levels in South Dakota, USA are 15.145 μg/m3.
The current carbon monoxide (CO) level in South Dakota, USA is 0.209 ppm.
The current sulfur dioxide (SO2) levels in South Dakota, USA are 0.736 ppb.
The current ozone (O3) levels at South Dakota, USA is 32.932 ppm.
The current nitrogen dioxide (NO2) levels at South Dakota, USA is 2.239 ppb.
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