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)
49
Good
South Dakota, USA
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
8.94 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
40.03 μg/m³
0
55
155
255
425
605+
38.20 ppb
0
55
71
86
201
201+
0.58 ppb
0
36
76
186
605
1005+
2.98 ppb
0
54
101
361
1250
2050+
0.20 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 64
Moderate
16.34μg/m³
PM2.5
59.54μg/m³
PM10
38.26ppb
O3
0.63ppb
SO2
1.32ppb
NO2
0.18ppm
CO
AQI 39
Good
5.45μg/m³
PM2.5
24.99μg/m³
PM10
41.58ppb
O3
0.85ppb
SO2
3.53ppb
NO2
0.22ppm
CO
AQI 56
Moderate
12.07μg/m³
PM2.5
36.87μg/m³
PM10
34.13ppb
O3
0.68ppb
SO2
4.21ppb
NO2
0.29ppm
CO
AQI 35
Good
5.10μg/m³
PM2.5
21.53μg/m³
PM10
38.02ppb
O3
0.57ppb
SO2
2.60ppb
NO2
0.22ppm
CO
AQI 44
Good
6.52μg/m³
PM2.5
22.59μg/m³
PM10
46.83ppb
O3
0.76ppb
SO2
2.20ppb
NO2
0.15ppm
CO
AQI 49
Good
7.65μg/m³
PM2.5
30.99μg/m³
PM10
53.07ppb
O3
0.79ppb
SO2
8.88ppb
NO2
0.19ppm
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 08:00:00 on 2026-07-23.
The best air quality in South Dakota, USA was recorded at 03:00:00 on 2026-07-23.
The real-time air quality index in South Dakota, USA is 49, currently categorized as Good.
The most common pollutant in South Dakota, USA is PM2.5.
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 8.942 μg/m3.
The current PM10 levels in South Dakota, USA are 40.028 μg/m3.
The current carbon monoxide (CO) level in South Dakota, USA is 0.201 ppm.
The current sulfur dioxide (SO2) levels in South Dakota, USA are 0.582 ppb.
The current ozone (O3) levels at South Dakota, USA is 38.203 ppm.
The current nitrogen dioxide (NO2) levels at South Dakota, USA is 2.977 ppb.
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