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)
27
Good
Sioux Falls, South Dakota
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
4.67 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
24.65 μg/m³
0
55
155
255
425
605+
23.97 ppb
0
55
71
86
201
201+
0.99 ppb
0
36
76
186
605
1005+
4.46 ppb
0
54
101
361
1250
2050+
0.24 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 23
Good
2.07μg/m³
PM2.5
19.78μg/m³
PM10
24.56ppb
O3
0.81ppb
SO2
5.38ppb
NO2
0.15ppm
CO
AQI 27
Good
5.28μg/m³
PM2.5
20.00μg/m³
PM10
24.01ppb
O3
0.83ppb
SO2
2.79ppb
NO2
0.16ppm
CO
AQI 27
Good
1.97μg/m³
PM2.5
17.92μg/m³
PM10
28.99ppb
O3
0.91ppb
SO2
8.42ppb
NO2
0.14ppm
CO
AQI 21
Good
1.00μg/m³
PM2.5
4.00μg/m³
PM10
23.04ppb
O3
0.42ppb
SO2
0.73ppb
NO2
0.11ppm
CO
AQI 22
Good
1.79μg/m³
PM2.5
19.20μg/m³
PM10
24.20ppb
O3
0.87ppb
SO2
5.85ppb
NO2
0.14ppm
CO
AQI 24
Good
1.96μg/m³
PM2.5
22.64μg/m³
PM10
26.49ppb
O3
0.88ppb
SO2
8.21ppb
NO2
0.14ppm
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 05:00:00 on 2025-10-21.
In the last 24 hrs, the best air quality in Sioux Falls, South Dakota was observed at 03:00:00 on 2025-10-21.
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 1.934 μg/m3.
The current PM10 concentration at Sioux Falls, South Dakota is 22.884 μg/m3.
The current carbon monoxide (CO) concentration at Sioux Falls, South Dakota is 0.149 ppm.
The current sulfur dioxide (SO2) concentration at Sioux Falls, South Dakota is 0.814 ppb.
The current ozone (O3) concentration at Sioux Falls, South Dakota is 25.028 ppm.
The current nitrogen dioxide (NO2) concentration at Sioux Falls, South Dakota is 5.395 ppb.
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