Stay updated with real-time air quality in Monroe City, Michigan 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)
124
Unhealthy for sensitive groups
Monroe City, Michigan
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
45.39 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
201.07 μg/m³
0
55
155
255
425
605+
24.92 ppb
0
55
71
86
201
201+
2.04 ppb
0
36
76
186
605
1005+
11.21 ppb
0
54
101
361
1250
2050+
0.39 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Monroe City, Michigan
Monroe City, Michigan
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AQI 96
Moderate
32.98μg/m³
PM2.5
140.77μg/m³
PM10
30.79ppb
O3
3.01ppb
SO2
14.13ppb
NO2
0.40ppm
CO
AQI 96
Moderate
32.98μg/m³
PM2.5
140.77μg/m³
PM10
30.79ppb
O3
3.01ppb
SO2
14.13ppb
NO2
0.40ppm
CO
AQI 127
Unhealthy for sensitive groups
46.33μg/m³
PM2.5
199.09μg/m³
PM10
29.35ppb
O3
3.05ppb
SO2
14.20ppb
NO2
0.43ppm
CO
AQI 131
Unhealthy for sensitive groups
46.57μg/m³
PM2.5
216.28μg/m³
PM10
32.10ppb
O3
3.17ppb
SO2
14.51ppb
NO2
0.45ppm
CO
AQI 139
Unhealthy for sensitive groups
51.43μg/m³
PM2.5
194.83μg/m³
PM10
29.19ppb
O3
2.97ppb
SO2
13.92ppb
NO2
0.39ppm
CO
AQI 131
Unhealthy for sensitive groups
46.57μg/m³
PM2.5
216.28μg/m³
PM10
32.10ppb
O3
3.17ppb
SO2
14.51ppb
NO2
0.45ppm
CO
Air quality and pollutant data for Michigan, 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 Monroe City, Michigan is updated every hour for accuracy.
In the past 24 hours, the air quality in Monroe City, Michigan was at its worst at 09:00:00 on 2025-06-05.
In the last 24 hours, the best air quality in Monroe City, Michigan was observed at 01:00:00 on 2025-06-05.
As of now, the AQI in Monroe City, Michigan is 124, indicating Unhealthy for Sensitive Groups conditions.
Monroe City, Michigan air has the highest levels of PM10.
Poor air quality in Monroe City, Michigan means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Monroe City, Michigan are currently 45.391 μg/m3.
The PM10 concentration in Monroe City, Michigan is 201.075 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Monroe City, Michigan is 0.394 ppm.
Currently, Monroe City, Michigan has a sulfur dioxide (SO2) concentration of 2.045 ppb.
The current ozone (O3) level in Monroe City, Michigan at the moment is 24.924 ppm.
Nitrogen dioxide (NO2) level in Monroe City, Michigan at the moment is 11.214 ppb.
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