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)
19
Good
Vermillion, South Dakota
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
1.61 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
7.01 μg/m³
0
55
155
255
425
605+
20.00 ppb
0
55
71
86
201
201+
0.63 ppb
0
36
76
186
605
1005+
5.57 ppb
0
54
101
361
1250
2050+
0.21 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Vermillion, South Dakota
Vermillion, South Dakota
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AQI 19
Good
2.58μg/m³
PM2.5
9.04μg/m³
PM10
20.92ppb
O3
0.66ppb
SO2
5.50ppb
NO2
0.21ppm
CO
AQI 19
Good
3.04μg/m³
PM2.5
8.84μg/m³
PM10
19.94ppb
O3
0.87ppb
SO2
5.31ppb
NO2
0.21ppm
CO
AQI 19
Good
3.06μg/m³
PM2.5
8.84μg/m³
PM10
19.91ppb
O3
0.86ppb
SO2
5.31ppb
NO2
0.21ppm
CO
AQI 19
Good
2.93μg/m³
PM2.5
9.07μg/m³
PM10
19.90ppb
O3
0.91ppb
SO2
5.23ppb
NO2
0.21ppm
CO
AQI 18
Good
2.69μg/m³
PM2.5
7.01μg/m³
PM10
19.08ppb
O3
0.68ppb
SO2
5.01ppb
NO2
0.21ppm
CO
AQI 31
Good
2.72μg/m³
PM2.5
11.04μg/m³
PM10
32.83ppb
O3
0.26ppb
SO2
0.85ppb
NO2
0.13ppm
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 12:00:00 on 2026-09-13.
In the last 24 hrs, the best air quality in Vermillion, South Dakota was observed at 11:00:00 on 2026-09-13.
The current air quality in Vermillion, South Dakota is 19, categorized as Good based on real-time data.
The most common pollutant in Vermillion, South Dakota is O3.
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 1.606 μg/m3.
The current PM10 concentration at Vermillion, South Dakota is 7.008 μg/m3.
The current carbon monoxide (CO) concentration at Vermillion, South Dakota is 0.212 ppm.
The current sulfur dioxide (SO2) concentration at Vermillion, South Dakota is 0.627 ppb.
The current ozone (O3) concentration at Vermillion, South Dakota is 20 ppm.
The current nitrogen dioxide (NO2) concentration at Vermillion, South Dakota is 5.565 ppb.
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