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
2.84 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
13.20 μg/m³
0
55
155
255
425
605+
33.57 ppb
0
55
71
86
201
201+
3.16 ppb
0
36
76
186
605
1005+
2.33 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
South Dakota, USA
Scroll To Air Quality MapLoading...
| No results found | |||||||
| City | AQI | PM2.5 | PM10 | O3 | SO2 | NO2 | CO |
|---|---|---|---|---|---|---|---|
AQI 30
Good
3.11μg/m³
PM2.5
10.89μg/m³
PM10
31.58ppb
O3
0.88ppb
SO2
0.89ppb
NO2
0.17ppm
CO
AQI 33
Good
4.06μg/m³
PM2.5
17.45μg/m³
PM10
35.54ppb
O3
0.62ppb
SO2
4.55ppb
NO2
0.27ppm
CO
AQI 33
Good
5.94μg/m³
PM2.5
21.17μg/m³
PM10
34.83ppb
O3
0.43ppb
SO2
4.26ppb
NO2
0.27ppm
CO
AQI 33
Good
6.44μg/m³
PM2.5
29.78μg/m³
PM10
35.49ppb
O3
0.54ppb
SO2
3.56ppb
NO2
0.21ppm
CO
AQI 35
Good
1.65μg/m³
PM2.5
7.43μg/m³
PM10
37.59ppb
O3
1.78ppb
SO2
1.17ppb
NO2
0.13ppm
CO
AQI 33
Good
2.51μg/m³
PM2.5
16.28μg/m³
PM10
35.75ppb
O3
0.62ppb
SO2
5.21ppb
NO2
0.15ppm
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 2.613 μg/m3.
The current PM10 levels in South Dakota, USA are 10.304 μg/m3.
The current carbon monoxide (CO) level in South Dakota, USA is 0.187 ppm.
The current sulfur dioxide (SO2) levels in South Dakota, USA are 0.836 ppb.
The current ozone (O3) levels at South Dakota, USA is 34.103 ppm.
The current nitrogen dioxide (NO2) levels at South Dakota, USA is 1.936 ppb.
All Rights Reserved © Ambee Inc. 2025