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)
45
Good
St. Michael, Minnesota
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.70 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
21.00 μg/m³
0
55
155
255
425
605+
48.99 ppb
0
55
71
86
201
201+
0.74 ppb
0
36
76
186
605
1005+
4.65 ppb
0
54
101
361
1250
2050+
0.23 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 44
Good
4.81μg/m³
PM2.5
20.95μg/m³
PM10
47.88ppb
O3
0.76ppb
SO2
4.61ppb
NO2
0.22ppm
CO
AQI 44
Good
4.84μg/m³
PM2.5
21.07μg/m³
PM10
48.46ppb
O3
0.75ppb
SO2
4.56ppb
NO2
0.23ppm
CO
AQI 41
Good
4.93μg/m³
PM2.5
23.09μg/m³
PM10
43.51ppb
O3
0.75ppb
SO2
4.55ppb
NO2
0.23ppm
CO
AQI 44
Good
4.98μg/m³
PM2.5
21.97μg/m³
PM10
47.30ppb
O3
0.74ppb
SO2
4.53ppb
NO2
0.23ppm
CO
AQI 41
Good
4.84μg/m³
PM2.5
22.88μg/m³
PM10
43.64ppb
O3
0.74ppb
SO2
4.61ppb
NO2
0.23ppm
CO
AQI 42
Good
4.83μg/m³
PM2.5
22.78μg/m³
PM10
45.10ppb
O3
0.74ppb
SO2
4.56ppb
NO2
0.23ppm
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 08:00:00 on 2026-07-23.
In the last 24 hrs, the best air quality in St. Michael, Minnesota was observed at 11:00:00 on 2026-07-23.
The current air quality in St. Michael, Minnesota is 45, categorized as Good based on real-time data.
The most common pollutant in St. Michael, Minnesota is O3.
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 4.701 μg/m3.
The current PM10 concentration at St. Michael, Minnesota is 21 μg/m3.
The current carbon monoxide (CO) concentration at St. Michael, Minnesota is 0.229 ppm.
The current sulfur dioxide (SO2) concentration at St. Michael, Minnesota is 0.745 ppb.
The current ozone (O3) concentration at St. Michael, Minnesota is 48.989 ppm.
The current nitrogen dioxide (NO2) concentration at St. Michael, Minnesota is 4.647 ppb.
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