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)
27
Good
St. Peter, Minnesota
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.21 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
27.87 μg/m³
0
55
155
255
425
605+
22.38 ppb
0
55
71
86
201
201+
1.18 ppb
0
36
76
186
605
1005+
8.69 ppb
0
54
101
361
1250
2050+
0.38 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
St. Peter, Minnesota
St. Peter, Minnesota
Scroll To Air Quality MapLoading...
AQI 27
Good
5.10μg/m³
PM2.5
22.00μg/m³
PM10
14.57ppb
O3
0.61ppb
SO2
20.23ppb
NO2
0.35ppm
CO
AQI 27
Good
5.10μg/m³
PM2.5
22.00μg/m³
PM10
14.57ppb
O3
0.61ppb
SO2
20.23ppb
NO2
0.35ppm
CO
AQI 49
Good
4.52μg/m³
PM2.5
53.31μg/m³
PM10
15.19ppb
O3
0.65ppb
SO2
18.63ppb
NO2
0.35ppm
CO
AQI 33
Good
5.51μg/m³
PM2.5
30.15μg/m³
PM10
11.53ppb
O3
0.43ppb
SO2
14.74ppb
NO2
0.36ppm
CO
AQI 27
Good
5.13μg/m³
PM2.5
22.63μg/m³
PM10
8.56ppb
O3
0.53ppb
SO2
20.69ppb
NO2
0.37ppm
CO
AQI 27
Good
4.59μg/m³
PM2.5
22.95μg/m³
PM10
13.98ppb
O3
0.60ppb
SO2
19.03ppb
NO2
0.37ppm
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 12:00:00 on 2025-11-13.
In the last 24 hours, the best air quality in St. Peter, Minnesota was observed at 03:00:00 on 2025-11-12.
As of now, the AQI in St. Peter, Minnesota is 33, indicating Good conditions.
St. Peter, Minnesota air has the highest levels of PM2.5.
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 6.344 μg/m3.
The PM10 concentration in St. Peter, Minnesota is 33.633 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in St. Peter, Minnesota is 0.493 ppm.
Currently, St. Peter, Minnesota has a sulfur dioxide (SO2) concentration of 0.915 ppb.
The current ozone (O3) level in St. Peter, Minnesota at the moment is 18.732 ppm.
Nitrogen dioxide (NO2) level in St. Peter, Minnesota at the moment is 15.413 ppb.
All Rights Reserved © Ambee Inc. 2025