Stay updated with real-time air quality in Sioux Falls, South Dakota 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
Sioux Falls, South Dakota
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
0.35 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
18.83 μg/m³
0
55
155
255
425
605+
32.96 ppb
0
55
71
86
201
201+
1.00 ppb
0
36
76
186
605
1005+
2.19 ppb
0
54
101
361
1250
2050+
0.23 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Sioux Falls, South Dakota
Sioux Falls, South Dakota
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AQI 30
Good
1.47μg/m³
PM2.5
19.77μg/m³
PM10
31.62ppb
O3
0.98ppb
SO2
2.02ppb
NO2
0.22ppm
CO
AQI 31
Good
1.71μg/m³
PM2.5
15.13μg/m³
PM10
32.98ppb
O3
0.91ppb
SO2
1.58ppb
NO2
0.22ppm
CO
AQI 27
Good
0.41μg/m³
PM2.5
2.05μg/m³
PM10
29.01ppb
O3
1.00ppb
SO2
2.03ppb
NO2
0.21ppm
CO
AQI 44
Good
7.64μg/m³
PM2.5
33.63μg/m³
PM10
40.58ppb
O3
0.07ppb
SO2
0.76ppb
NO2
0.13ppm
CO
AQI 31
Good
3.67μg/m³
PM2.5
19.51μg/m³
PM10
34.01ppb
O3
0.93ppb
SO2
2.19ppb
NO2
0.21ppm
CO
AQI 32
Good
5.34μg/m³
PM2.5
17.40μg/m³
PM10
35.16ppb
O3
1.00ppb
SO2
2.03ppb
NO2
0.21ppm
CO
Air quality data and pollutant measurements for South Dakota, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Sioux Falls, South Dakota is updated every hour.
The worst air quality in Sioux Falls, South Dakota in the last 24 hours was observed at 10:00:00 on 2026-08-08.
In the last 24 hrs, the best air quality in Sioux Falls, South Dakota was observed at 04:00:00 on 2026-08-08.
The current air quality in Sioux Falls, South Dakota is 31, categorized as Good based on real-time data.
The most common pollutant in Sioux Falls, South Dakota is O3.
If the air quality in Sioux Falls, South Dakota is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Sioux Falls, South Dakota is 0.355 μg/m3.
The current PM10 concentration at Sioux Falls, South Dakota is 18.832 μg/m3.
The current carbon monoxide (CO) concentration at Sioux Falls, South Dakota is 0.233 ppm.
The current sulfur dioxide (SO2) concentration at Sioux Falls, South Dakota is 1.001 ppb.
The current ozone (O3) concentration at Sioux Falls, South Dakota is 32.963 ppm.
The current nitrogen dioxide (NO2) concentration at Sioux Falls, South Dakota is 2.194 ppb.
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