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)
44
Good
St. Michael, Minnesota
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
8.40 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
36.98 μg/m³
0
55
155
255
425
605+
32.99 ppb
0
55
71
86
201
201+
1.16 ppb
0
36
76
186
605
1005+
6.45 ppb
0
54
101
361
1250
2050+
0.33 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
St. Michael, Minnesota
St. Michael, Minnesota
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AQI 49
Good
8.71μg/m³
PM2.5
35.71μg/m³
PM10
31.94ppb
O3
1.12ppb
SO2
6.74ppb
NO2
0.35ppm
CO
AQI 49
Good
8.59μg/m³
PM2.5
35.63μg/m³
PM10
32.55ppb
O3
1.12ppb
SO2
6.47ppb
NO2
0.33ppm
CO
AQI 52
Moderate
9.54μg/m³
PM2.5
48.31μg/m³
PM10
33.65ppb
O3
1.07ppb
SO2
6.84ppb
NO2
0.32ppm
CO
AQI 52
Moderate
9.70μg/m³
PM2.5
46.49μg/m³
PM10
33.87ppb
O3
1.15ppb
SO2
6.38ppb
NO2
0.32ppm
CO
AQI 49
Good
9.21μg/m³
PM2.5
43.82μg/m³
PM10
32.91ppb
O3
1.24ppb
SO2
5.46ppb
NO2
0.32ppm
CO
AQI 49
Good
9.21μg/m³
PM2.5
46.79μg/m³
PM10
33.03ppb
O3
1.22ppb
SO2
5.58ppb
NO2
0.32ppm
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 01:00:00 on 2026-04-24.
In the last 24 hrs, the best air quality in St. Michael, Minnesota was observed at 03:00:00 on 2026-04-23.
The current air quality in St. Michael, Minnesota is 44, 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 8.402 μg/m3.
The current PM10 concentration at St. Michael, Minnesota is 36.983 μg/m3.
The current carbon monoxide (CO) concentration at St. Michael, Minnesota is 0.325 ppm.
The current sulfur dioxide (SO2) concentration at St. Michael, Minnesota is 1.157 ppb.
The current ozone (O3) concentration at St. Michael, Minnesota is 32.991 ppm.
The current nitrogen dioxide (NO2) concentration at St. Michael, Minnesota is 6.449 ppb.
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