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)
27
Good
Pierre, South Dakota
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
0.61 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
2.03 μg/m³
0
55
155
255
425
605+
29.27 ppb
0
55
71
86
201
201+
1.03 ppb
0
36
76
186
605
1005+
2.09 ppb
0
54
101
361
1250
2050+
0.14 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Pierre, South Dakota
Pierre, South Dakota
Scroll To Air Quality MapLoading...
AQI 37
Good
1.70μg/m³
PM2.5
7.25μg/m³
PM10
40.37ppb
O3
0.26ppb
SO2
1.55ppb
NO2
0.13ppm
CO
AQI 26
Good
1.40μg/m³
PM2.5
6.00μg/m³
PM10
27.59ppb
O3
0.90ppb
SO2
1.49ppb
NO2
0.35ppm
CO
AQI 32
Good
4.66μg/m³
PM2.5
20.07μg/m³
PM10
34.72ppb
O3
0.38ppb
SO2
2.14ppb
NO2
0.14ppm
CO
AQI 32
Good
2.40μg/m³
PM2.5
16.29μg/m³
PM10
34.97ppb
O3
0.78ppb
SO2
2.46ppb
NO2
0.13ppm
CO
AQI 33
Good
1.95μg/m³
PM2.5
25.18μg/m³
PM10
35.94ppb
O3
0.78ppb
SO2
2.66ppb
NO2
0.12ppm
CO
AQI 19
Good
1.70μg/m³
PM2.5
6.00μg/m³
PM10
20.00ppb
O3
0.73ppb
SO2
2.01ppb
NO2
0.36ppm
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 02:00:00 on 2026-09-07.
In the last 24 hrs, the best air quality in Pierre, South Dakota was observed at 01:00:00 on 2026-09-06.
The current air quality in Pierre, South Dakota is 27, 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 0.612 μg/m3.
The current PM10 concentration at Pierre, South Dakota is 2.029 μg/m3.
The current carbon monoxide (CO) concentration at Pierre, South Dakota is 0.139 ppm.
The current sulfur dioxide (SO2) concentration at Pierre, South Dakota is 1.035 ppb.
The current ozone (O3) concentration at Pierre, South Dakota is 29.271 ppm.
The current nitrogen dioxide (NO2) concentration at Pierre, South Dakota is 2.087 ppb.
All Rights Reserved © Ambee Inc. 2025