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

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.30 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
22.98 μg/m³
0
55
155
255
425
605+
21.99 ppb
0
55
71
86
201
201+
0.81 ppb
0
36
76
186
605
1005+
2.64 ppb
0
54
101
361
1250
2050+
0.52 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
St. Michael, Minnesota
St. Michael, Minnesota
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AQI 27
Good
5.10μg/m³
PM2.5
20.67μg/m³
PM10
20.93ppb
O3
0.84ppb
SO2
2.70ppb
NO2
0.54ppm
CO
AQI 27
Good
5.31μg/m³
PM2.5
21.83μg/m³
PM10
21.58ppb
O3
0.82ppb
SO2
2.64ppb
NO2
0.53ppm
CO
AQI 27
Good
5.04μg/m³
PM2.5
20.97μg/m³
PM10
16.12ppb
O3
0.82ppb
SO2
2.65ppb
NO2
0.55ppm
CO
AQI 27
Good
5.24μg/m³
PM2.5
23.16μg/m³
PM10
19.37ppb
O3
0.81ppb
SO2
2.67ppb
NO2
0.53ppm
CO
AQI 27
Good
5.41μg/m³
PM2.5
24.12μg/m³
PM10
15.09ppb
O3
0.81ppb
SO2
2.80ppb
NO2
0.51ppm
CO
AQI 27
Good
5.32μg/m³
PM2.5
23.39μg/m³
PM10
16.96ppb
O3
0.80ppb
SO2
2.76ppb
NO2
0.51ppm
CO
Air quality data and pollutant measurements for Minnesota, 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 St. Michael, Minnesota is updated every hour.
The worst air quality in St. Michael, Minnesota in the last 24 hours was observed at 03:00:00 on 2026-09-07.
In the last 24 hrs, the best air quality in St. Michael, Minnesota was observed at 10:00:00 on 2026-09-07.
The current air quality in St. Michael, Minnesota is 27, categorized as Good based on real-time data.
The most common pollutant in St. Michael, Minnesota is PM2.5.
If the air quality in St. Michael, Minnesota is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at St. Michael, Minnesota is 5.298 μg/m3.
The current PM10 concentration at St. Michael, Minnesota is 22.977 μg/m3.
The current carbon monoxide (CO) concentration at St. Michael, Minnesota is 0.523 ppm.
The current sulfur dioxide (SO2) concentration at St. Michael, Minnesota is 0.814 ppb.
The current ozone (O3) concentration at St. Michael, Minnesota is 21.99 ppm.
The current nitrogen dioxide (NO2) concentration at St. Michael, Minnesota is 2.644 ppb.
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