Stay updated with real-time air quality in Pierre, 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
Pierre, South Dakota
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
6.50 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
28.95 μg/m³
0
55
155
255
425
605+
27.72 ppb
0
55
71
86
201
201+
1.20 ppb
0
36
76
186
605
1005+
1.61 ppb
0
54
101
361
1250
2050+
0.12 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Pierre, South Dakota
Pierre, South Dakota
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AQI 27
Good
5.25μg/m³
PM2.5
22.91μg/m³
PM10
27.89ppb
O3
0.11ppb
SO2
2.41ppb
NO2
0.17ppm
CO
AQI 18
Good
0.50μg/m³
PM2.5
6.00μg/m³
PM10
18.73ppb
O3
1.03ppb
SO2
2.55ppb
NO2
0.34ppm
CO
AQI 22
Good
4.27μg/m³
PM2.5
19.00μg/m³
PM10
23.06ppb
O3
0.14ppb
SO2
2.70ppb
NO2
0.17ppm
CO
AQI 16
Good
3.29μg/m³
PM2.5
13.97μg/m³
PM10
16.02ppb
O3
1.47ppb
SO2
1.82ppb
NO2
0.30ppm
CO
AQI 38
Good
7.28μg/m³
PM2.5
24.35μg/m³
PM10
13.36ppb
O3
1.48ppb
SO2
2.50ppb
NO2
0.30ppm
CO
AQI 19
Good
0.90μg/m³
PM2.5
4.00μg/m³
PM10
21.00ppb
O3
1.02ppb
SO2
4.91ppb
NO2
0.34ppm
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 Pierre, South Dakota is updated every hour.
The worst air quality in Pierre, South Dakota in the last 24 hours was observed at 04:00:00 on 2025-07-21.
In the last 24 hrs, the best air quality in Pierre, South Dakota was observed at 02:00:00 on 2025-07-21.
The current air quality in Pierre, South Dakota is 19, categorized as Good based on real-time data.
The most common pollutant in Pierre, South Dakota is O3.
If the air quality in Pierre, South Dakota is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Pierre, South Dakota is 1.414 μg/m3.
The current PM10 concentration at Pierre, South Dakota is 6.031 μg/m3.
The current carbon monoxide (CO) concentration at Pierre, South Dakota is 0.217 ppm.
The current sulfur dioxide (SO2) concentration at Pierre, South Dakota is 1.326 ppb.
The current ozone (O3) concentration at Pierre, South Dakota is 20.047 ppm.
The current nitrogen dioxide (NO2) concentration at Pierre, South Dakota is 1.681 ppb.
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