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)
32
Good
Yankton, South Dakota
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.43 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
11.28 μg/m³
0
55
155
255
425
605+
34.54 ppb
0
55
71
86
201
201+
0.54 ppb
0
36
76
186
605
1005+
4.42 ppb
0
54
101
361
1250
2050+
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Yankton, South Dakota
Scroll To Air Quality MapLoading...
AQI 28
Good
0.51μg/m³
PM2.5
2.03μg/m³
PM10
30.01ppb
O3
0.56ppb
SO2
5.33ppb
NO2
0.25ppm
CO
AQI 27
Good
4.38μg/m³
PM2.5
12.27μg/m³
PM10
28.91ppb
O3
0.54ppb
SO2
5.28ppb
NO2
0.23ppm
CO
AQI 27
Good
4.45μg/m³
PM2.5
12.27μg/m³
PM10
28.94ppb
O3
0.53ppb
SO2
5.38ppb
NO2
0.22ppm
CO
AQI 32
Good
0.53μg/m³
PM2.5
5.00μg/m³
PM10
34.82ppb
O3
0.59ppb
SO2
5.44ppb
NO2
0.27ppm
CO
AQI 28
Good
2.33μg/m³
PM2.5
9.97μg/m³
PM10
30.45ppb
O3
0.30ppb
SO2
1.69ppb
NO2
0.15ppm
CO
AQI 25
Good
1.80μg/m³
PM2.5
7.29μg/m³
PM10
27.28ppb
O3
0.19ppb
SO2
1.86ppb
NO2
0.16ppm
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 09:00:00, 2026-03-13.
The best air quality in Yankton, South Dakota was observed at 07:00:00 on 2026-03-14.
The air quality in Yankton, South Dakota right now is Good, with an AQI of 32.
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 3.428 μg/m3.
Yankton, South Dakota currently has a PM10 concentration of 11.284 μg/m3.
The current carbon monoxide (CO) level in Yankton, South Dakota is 0.182 ppm.
The current sulfur dioxide (SO2) concentration in Yankton, South Dakota is 0.543 ppb.
Yankton, South Dakota currently has an ozone (O3) concentration of 34.537 ppm.
The current level of nitrogen dioxide (NO2) in Yankton, South Dakota is 4.42 ppb.
All Rights Reserved © Ambee Inc. 2025