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+
32.31 ppb
0
55
71
86
201
201+
0.98 ppb
0
36
76
186
605
1005+
1.14 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
2.03μg/m³
PM2.5
8.00μg/m³
PM10
28.87ppb
O3
0.25ppb
SO2
0.73ppb
NO2
0.14ppm
CO
AQI 49
Good
9.00μg/m³
PM2.5
14.00μg/m³
PM10
24.85ppb
O3
1.02ppb
SO2
2.29ppb
NO2
0.18ppm
CO
AQI 27
Good
1.70μg/m³
PM2.5
7.00μg/m³
PM10
29.40ppb
O3
0.33ppb
SO2
0.84ppb
NO2
0.14ppm
CO
AQI 29
Good
4.60μg/m³
PM2.5
26.45μg/m³
PM10
30.92ppb
O3
0.89ppb
SO2
1.22ppb
NO2
0.13ppm
CO
AQI 44
Good
7.63μg/m³
PM2.5
42.17μg/m³
PM10
30.36ppb
O3
0.90ppb
SO2
1.73ppb
NO2
0.13ppm
CO
AQI 44
Good
8.00μg/m³
PM2.5
35.00μg/m³
PM10
31.00ppb
O3
0.59ppb
SO2
3.29ppb
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 Pierre, South Dakota is updated every hour.
The worst air quality in Pierre, South Dakota in the last 24 hours was observed at 03:00:00 on 2026-01-23.
In the last 24 hrs, the best air quality in Pierre, South Dakota was observed at 05:00:00 on 2026-01-22.
The current air quality in Pierre, South Dakota is 38, categorized as Good based on real-time data.
The most common pollutant in Pierre, South Dakota is PM2.5.
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 6.501 μg/m3.
The current PM10 concentration at Pierre, South Dakota is 28.952 μg/m3.
The current carbon monoxide (CO) concentration at Pierre, South Dakota is 0.12 ppm.
The current sulfur dioxide (SO2) concentration at Pierre, South Dakota is 0.982 ppb.
The current ozone (O3) concentration at Pierre, South Dakota is 32.308 ppm.
The current nitrogen dioxide (NO2) concentration at Pierre, South Dakota is 1.144 ppb.
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