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)
28
Good
Sioux Falls, South Dakota
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
1.54 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
5.08 μg/m³
0
55
155
255
425
605+
29.79 ppb
0
55
71
86
201
201+
1.05 ppb
0
36
76
186
605
1005+
3.15 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Sioux Falls, South Dakota
Sioux Falls, South Dakota
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AQI 23
Good
3.17μg/m³
PM2.5
8.27μg/m³
PM10
25.47ppb
O3
1.04ppb
SO2
3.14ppb
NO2
0.20ppm
CO
AQI 27
Good
1.93μg/m³
PM2.5
5.05μg/m³
PM10
28.98ppb
O3
1.12ppb
SO2
3.15ppb
NO2
0.21ppm
CO
AQI 16
Good
3.33μg/m³
PM2.5
10.13μg/m³
PM10
16.03ppb
O3
0.97ppb
SO2
3.22ppb
NO2
0.18ppm
CO
AQI 27
Good
2.72μg/m³
PM2.5
11.00μg/m³
PM10
28.70ppb
O3
0.09ppb
SO2
2.78ppb
NO2
0.14ppm
CO
AQI 24
Good
3.17μg/m³
PM2.5
10.20μg/m³
PM10
26.02ppb
O3
0.99ppb
SO2
3.13ppb
NO2
0.18ppm
CO
AQI 23
Good
3.55μg/m³
PM2.5
8.15μg/m³
PM10
25.43ppb
O3
0.96ppb
SO2
4.21ppb
NO2
0.18ppm
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 2026-06-08.
In the last 24 hrs, the best air quality in Sioux Falls, South Dakota was observed at 04:00:00 on 2026-06-07.
The current air quality in Sioux Falls, South Dakota is 28, 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 1.544 μg/m3.
The current PM10 concentration at Sioux Falls, South Dakota is 5.083 μg/m3.
The current carbon monoxide (CO) concentration at Sioux Falls, South Dakota is 0.199 ppm.
The current sulfur dioxide (SO2) concentration at Sioux Falls, South Dakota is 1.048 ppb.
The current ozone (O3) concentration at Sioux Falls, South Dakota is 29.789 ppm.
The current nitrogen dioxide (NO2) concentration at Sioux Falls, South Dakota is 3.145 ppb.
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