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)
30
Good
South Dakota, USA
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.53 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.89 μg/m³
0
55
155
255
425
605+
32.47 ppb
0
55
71
86
201
201+
0.82 ppb
0
36
76
186
605
1005+
2.23 ppb
0
54
101
361
1250
2050+
0.17 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
South Dakota, USA
South Dakota, USA
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| City | AQI | PM2.5 | PM10 | O3 | SO2 | NO2 | CO |
|---|---|---|---|---|---|---|---|
AQI 31
Good
3.36μg/m³
PM2.5
13.33μg/m³
PM10
34.01ppb
O3
0.93ppb
SO2
1.95ppb
NO2
0.15ppm
CO
AQI 29
Good
4.11μg/m³
PM2.5
16.05μg/m³
PM10
31.44ppb
O3
0.84ppb
SO2
2.80ppb
NO2
0.24ppm
CO
AQI 22
Good
3.95μg/m³
PM2.5
13.67μg/m³
PM10
21.70ppb
O3
0.41ppb
SO2
2.85ppb
NO2
0.18ppm
CO
AQI 27
Good
5.15μg/m³
PM2.5
20.69μg/m³
PM10
29.37ppb
O3
0.43ppb
SO2
2.67ppb
NO2
0.17ppm
CO
AQI 32
Good
3.58μg/m³
PM2.5
17.39μg/m³
PM10
35.35ppb
O3
0.62ppb
SO2
2.14ppb
NO2
0.13ppm
CO
AQI 34
Good
3.96μg/m³
PM2.5
24.31μg/m³
PM10
36.60ppb
O3
0.65ppb
SO2
12.60ppb
NO2
0.23ppm
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 10:00:00 on 2026-06-07.
The best air quality in South Dakota, USA was recorded at 07:00:00 on 2026-06-08.
The real-time air quality index in South Dakota, USA is 30, 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 3.529 μg/m3.
The current PM10 levels in South Dakota, USA are 12.892 μg/m3.
The current carbon monoxide (CO) level in South Dakota, USA is 0.169 ppm.
The current sulfur dioxide (SO2) levels in South Dakota, USA are 0.822 ppb.
The current ozone (O3) levels at South Dakota, USA is 32.467 ppm.
The current nitrogen dioxide (NO2) levels at South Dakota, USA is 2.228 ppb.
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