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)
37
Good
Sioux Falls, South Dakota
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.93 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.13 μg/m³
0
55
155
255
425
605+
39.86 ppb
0
55
71
86
201
201+
4.23 ppb
0
36
76
186
605
1005+
4.66 ppb
0
54
101
361
1250
2050+
0.31 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Sioux Falls, South Dakota
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AQI 31
Good
3.29μg/m³
PM2.5
15.46μg/m³
PM10
34.47ppb
O3
6.05ppb
SO2
3.63ppb
NO2
0.27ppm
CO
AQI 35
Good
5.77μg/m³
PM2.5
24.84μg/m³
PM10
37.91ppb
O3
4.90ppb
SO2
2.99ppb
NO2
0.28ppm
CO
AQI 20
Good
0.12μg/m³
PM2.5
0.34μg/m³
PM10
22.06ppb
O3
7.57ppb
SO2
6.21ppb
NO2
0.25ppm
CO
AQI 41
Good
3.50μg/m³
PM2.5
15.37μg/m³
PM10
43.63ppb
O3
0.19ppb
SO2
0.52ppb
NO2
0.13ppm
CO
AQI 26
Good
2.69μg/m³
PM2.5
12.74μg/m³
PM10
27.81ppb
O3
7.01ppb
SO2
5.97ppb
NO2
0.26ppm
CO
AQI 28
Good
4.39μg/m³
PM2.5
26.63μg/m³
PM10
29.61ppb
O3
7.56ppb
SO2
4.91ppb
NO2
0.25ppm
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 03:00:00 on 2026-03-09.
In the last 24 hrs, the best air quality in Sioux Falls, South Dakota was observed at 11:00:00 on 2026-03-09.
The current air quality in Sioux Falls, South Dakota is 37, 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 2.934 μg/m3.
The current PM10 concentration at Sioux Falls, South Dakota is 12.135 μg/m3.
The current carbon monoxide (CO) concentration at Sioux Falls, South Dakota is 0.308 ppm.
The current sulfur dioxide (SO2) concentration at Sioux Falls, South Dakota is 4.226 ppb.
The current ozone (O3) concentration at Sioux Falls, South Dakota is 39.857 ppm.
The current nitrogen dioxide (NO2) concentration at Sioux Falls, South Dakota is 4.664 ppb.
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