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)
24
Good
Yankton, South Dakota
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.17 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
10.20 μg/m³
0
55
155
255
425
605+
26.02 ppb
0
55
71
86
201
201+
0.99 ppb
0
36
76
186
605
1005+
3.13 ppb
0
54
101
361
1250
2050+
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Yankton, South Dakota
Yankton, South Dakota
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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 22
Good
3.75μg/m³
PM2.5
8.56μg/m³
PM10
20.76ppb
O3
0.94ppb
SO2
5.11ppb
NO2
0.17ppm
CO
AQI 22
Good
3.93μg/m³
PM2.5
8.95μg/m³
PM10
20.64ppb
O3
0.93ppb
SO2
5.11ppb
NO2
0.17ppm
CO
AQI 28
Good
1.54μg/m³
PM2.5
5.08μg/m³
PM10
29.79ppb
O3
1.05ppb
SO2
3.15ppb
NO2
0.20ppm
CO
AQI 23
Good
3.11μg/m³
PM2.5
13.88μg/m³
PM10
24.55ppb
O3
0.22ppb
SO2
3.12ppb
NO2
0.12ppm
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
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, 2026-06-07.
The best air quality in Yankton, South Dakota was observed at 03:00:00 on 2026-06-07.
The air quality in Yankton, South Dakota right now is Good, with an AQI of 24.
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 3.17 μg/m3.
Yankton, South Dakota currently has a PM10 concentration of 10.204 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 0.994 ppb.
Yankton, South Dakota currently has an ozone (O3) concentration of 26.015 ppm.
The current level of nitrogen dioxide (NO2) in Yankton, South Dakota is 3.128 ppb.
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