Stay updated with real-time air quality in St. Peter, Minnesota 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)
45
Good
St. Peter, Minnesota
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.43 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
28.10 μg/m³
0
55
155
255
425
605+
48.81 ppb
0
55
71
86
201
201+
0.72 ppb
0
36
76
186
605
1005+
5.85 ppb
0
54
101
361
1250
2050+
0.30 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
St. Peter, Minnesota
St. Peter, Minnesota
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AQI 47
Good
6.80μg/m³
PM2.5
30.00μg/m³
PM10
51.01ppb
O3
0.56ppb
SO2
5.84ppb
NO2
0.30ppm
CO
AQI 47
Good
6.80μg/m³
PM2.5
30.00μg/m³
PM10
51.01ppb
O3
0.56ppb
SO2
5.84ppb
NO2
0.30ppm
CO
AQI 43
Good
6.09μg/m³
PM2.5
23.42μg/m³
PM10
46.49ppb
O3
0.73ppb
SO2
5.38ppb
NO2
0.29ppm
CO
AQI 48
Good
6.61μg/m³
PM2.5
24.51μg/m³
PM10
52.22ppb
O3
0.60ppb
SO2
6.44ppb
NO2
0.32ppm
CO
AQI 51
Moderate
6.58μg/m³
PM2.5
29.59μg/m³
PM10
55.02ppb
O3
0.77ppb
SO2
7.08ppb
NO2
0.34ppm
CO
AQI 45
Good
6.80μg/m³
PM2.5
25.25μg/m³
PM10
48.55ppb
O3
0.73ppb
SO2
6.07ppb
NO2
0.31ppm
CO
Air quality and pollutant data for Minnesota, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for St. Peter, Minnesota is updated every hour for accuracy.
In the past 24 hours, the air quality in St. Peter, Minnesota was at its worst at 03:00:00 on 2026-06-09.
In the last 24 hours, the best air quality in St. Peter, Minnesota was observed at 07:00:00 on 2026-06-09.
As of now, the AQI in St. Peter, Minnesota is 45, indicating Good conditions.
St. Peter, Minnesota air has the highest levels of O3.
Poor air quality in St. Peter, Minnesota means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in St. Peter, Minnesota are currently 6.429 μg/m3.
The PM10 concentration in St. Peter, Minnesota is 28.104 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in St. Peter, Minnesota is 0.305 ppm.
Currently, St. Peter, Minnesota has a sulfur dioxide (SO2) concentration of 0.724 ppb.
The current ozone (O3) level in St. Peter, Minnesota at the moment is 48.807 ppm.
Nitrogen dioxide (NO2) level in St. Peter, Minnesota at the moment is 5.849 ppb.
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