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)
25
Good
Sioux Falls, South Dakota
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
1.60 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
8.14 μg/m³
0
55
155
255
425
605+
27.00 ppb
0
55
71
86
201
201+
0.40 ppb
0
36
76
186
605
1005+
5.93 ppb
0
54
101
361
1250
2050+
0.21 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 26
Good
2.34μg/m³
PM2.5
9.81μg/m³
PM10
28.06ppb
O3
0.40ppb
SO2
4.29ppb
NO2
0.21ppm
CO
AQI 33
Good
6.37μg/m³
PM2.5
10.99μg/m³
PM10
30.97ppb
O3
0.45ppb
SO2
6.60ppb
NO2
0.22ppm
CO
AQI 24
Good
4.21μg/m³
PM2.5
18.98μg/m³
PM10
25.99ppb
O3
0.36ppb
SO2
5.70ppb
NO2
0.20ppm
CO
AQI 27
Good
5.44μg/m³
PM2.5
23.31μg/m³
PM10
16.03ppb
O3
0.11ppb
SO2
2.24ppb
NO2
0.18ppm
CO
AQI 44
Good
7.53μg/m³
PM2.5
22.37μg/m³
PM10
26.77ppb
O3
0.52ppb
SO2
6.19ppb
NO2
0.20ppm
CO
AQI 56
Moderate
12.49μg/m³
PM2.5
56.28μg/m³
PM10
12.44ppb
O3
0.15ppb
SO2
3.13ppb
NO2
0.20ppm
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 2025-12-06.
In the last 24 hrs, the best air quality in Sioux Falls, South Dakota was observed at 02:00:00 on 2025-12-06.
The current air quality in Sioux Falls, South Dakota is 25, 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 1.604 μg/m3.
The current PM10 concentration at Sioux Falls, South Dakota is 8.139 μg/m3.
The current carbon monoxide (CO) concentration at Sioux Falls, South Dakota is 0.207 ppm.
The current sulfur dioxide (SO2) concentration at Sioux Falls, South Dakota is 0.403 ppb.
The current ozone (O3) concentration at Sioux Falls, South Dakota is 26.998 ppm.
The current nitrogen dioxide (NO2) concentration at Sioux Falls, South Dakota is 5.933 ppb.
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