Stay updated with real-time air quality in Yankton, 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)
26
Good
Yankton, South Dakota
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.69 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.74 μg/m³
0
55
155
255
425
605+
27.81 ppb
0
55
71
86
201
201+
7.01 ppb
0
36
76
186
605
1005+
5.97 ppb
0
54
101
361
1250
2050+
0.26 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Yankton, South Dakota
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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 30
Good
4.40μg/m³
PM2.5
25.10μg/m³
PM10
32.46ppb
O3
8.31ppb
SO2
6.45ppb
NO2
0.24ppm
CO
AQI 31
Good
4.41μg/m³
PM2.5
26.41μg/m³
PM10
32.81ppb
O3
8.41ppb
SO2
6.47ppb
NO2
0.24ppm
CO
AQI 31
Good
3.69μg/m³
PM2.5
16.91μg/m³
PM10
34.36ppb
O3
6.07ppb
SO2
3.63ppb
NO2
0.27ppm
CO
AQI 30
Good
2.36μg/m³
PM2.5
10.00μg/m³
PM10
32.04ppb
O3
0.24ppb
SO2
0.80ppb
NO2
0.13ppm
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
The air quality data for South Dakota, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Yankton, South Dakota are available every hour.
Yankton, South Dakota experienced its worst air quality at 04:00:00, 2026-03-09.
The best air quality in Yankton, South Dakota was observed at 11:00:00 on 2026-03-09.
The air quality in Yankton, South Dakota right now is Good, with an AQI of 27.
In Yankton, South Dakota, O3 is the most frequently found pollutant.
When air quality in Yankton, South Dakota is compromised, staying indoors and wearing a mask can reduce health risks.
Yankton, South Dakota currently has a PM2.5 concentration of 2.936 μg/m3.
Yankton, South Dakota currently has a PM10 concentration of 9.794 μg/m3.
The current carbon monoxide (CO) level in Yankton, South Dakota is 0.298 ppm.
The current sulfur dioxide (SO2) concentration in Yankton, South Dakota is 4.869 ppb.
Yankton, South Dakota currently has an ozone (O3) concentration of 29.343 ppm.
The current level of nitrogen dioxide (NO2) in Yankton, South Dakota is 4.86 ppb.
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