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)
23
Good
Sioux Falls, South Dakota
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
0.48 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
2.33 μg/m³
0
55
155
255
425
605+
24.95 ppb
0
55
71
86
201
201+
1.33 ppb
0
36
76
186
605
1005+
2.77 ppb
0
54
101
361
1250
2050+
0.31 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 20
Good
1.62μg/m³
PM2.5
6.38μg/m³
PM10
22.07ppb
O3
0.79ppb
SO2
2.74ppb
NO2
0.32ppm
CO
AQI 16
Good
0.72μg/m³
PM2.5
3.05μg/m³
PM10
17.03ppb
O3
0.71ppb
SO2
2.07ppb
NO2
0.35ppm
CO
AQI 24
Good
3.07μg/m³
PM2.5
16.98μg/m³
PM10
26.01ppb
O3
0.83ppb
SO2
3.39ppb
NO2
0.27ppm
CO
AQI 33
Good
6.43μg/m³
PM2.5
28.83μg/m³
PM10
29.50ppb
O3
0.21ppb
SO2
3.56ppb
NO2
0.15ppm
CO
AQI 21
Good
3.22μg/m³
PM2.5
20.66μg/m³
PM10
23.18ppb
O3
0.85ppb
SO2
3.63ppb
NO2
0.28ppm
CO
AQI 26
Good
3.17μg/m³
PM2.5
15.17μg/m³
PM10
27.99ppb
O3
0.78ppb
SO2
3.52ppb
NO2
0.27ppm
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 06:00:00 on 2026-09-06.
In the last 24 hrs, the best air quality in Sioux Falls, South Dakota was observed at 10:00:00 on 2026-09-07.
The current air quality in Sioux Falls, South Dakota is 23, 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 0.482 μg/m3.
The current PM10 concentration at Sioux Falls, South Dakota is 2.333 μg/m3.
The current carbon monoxide (CO) concentration at Sioux Falls, South Dakota is 0.313 ppm.
The current sulfur dioxide (SO2) concentration at Sioux Falls, South Dakota is 1.332 ppb.
The current ozone (O3) concentration at Sioux Falls, South Dakota is 24.954 ppm.
The current nitrogen dioxide (NO2) concentration at Sioux Falls, South Dakota is 2.773 ppb.
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