Stay updated with real-time air quality in Vermillion, 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)
38
Good
Vermillion, South Dakota
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.53 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
29.05 μg/m³
0
55
155
255
425
605+
34.03 ppb
0
55
71
86
201
201+
0.51 ppb
0
36
76
186
605
1005+
4.64 ppb
0
54
101
361
1250
2050+
0.27 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Vermillion, South Dakota
Vermillion, South Dakota
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AQI 52
Moderate
9.53μg/m³
PM2.5
33.20μg/m³
PM10
35.25ppb
O3
0.47ppb
SO2
4.66ppb
NO2
0.24ppm
CO
AQI 54
Moderate
11.08μg/m³
PM2.5
36.24μg/m³
PM10
40.65ppb
O3
0.48ppb
SO2
4.99ppb
NO2
0.25ppm
CO
AQI 54
Moderate
11.42μg/m³
PM2.5
36.24μg/m³
PM10
39.85ppb
O3
0.48ppb
SO2
4.99ppb
NO2
0.25ppm
CO
AQI 49
Good
9.49μg/m³
PM2.5
30.14μg/m³
PM10
39.27ppb
O3
0.44ppb
SO2
5.01ppb
NO2
0.24ppm
CO
AQI 38
Good
6.62μg/m³
PM2.5
26.10μg/m³
PM10
35.02ppb
O3
0.52ppb
SO2
4.55ppb
NO2
0.24ppm
CO
AQI 52
Moderate
9.66μg/m³
PM2.5
43.00μg/m³
PM10
43.70ppb
O3
0.24ppb
SO2
0.51ppb
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 Vermillion, South Dakota is updated every hour.
The worst air quality in Vermillion, South Dakota in the last 24 hours was observed at 05:00:00 on 2026-07-23.
In the last 24 hrs, the best air quality in Vermillion, South Dakota was observed at 05:00:00 on 2026-07-23.
The current air quality in Vermillion, South Dakota is 38, categorized as Good based on real-time data.
The most common pollutant in Vermillion, South Dakota is PM2.5.
If the air quality in Vermillion, South Dakota is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Vermillion, South Dakota is 6.527 μg/m3.
The current PM10 concentration at Vermillion, South Dakota is 29.053 μg/m3.
The current carbon monoxide (CO) concentration at Vermillion, South Dakota is 0.27 ppm.
The current sulfur dioxide (SO2) concentration at Vermillion, South Dakota is 0.508 ppb.
The current ozone (O3) concentration at Vermillion, South Dakota is 34.033 ppm.
The current nitrogen dioxide (NO2) concentration at Vermillion, South Dakota is 4.638 ppb.
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