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)
38
Good
Monroe City, Michigan
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.36 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
24.61 μg/m³
0
55
155
255
425
605+
30.08 ppb
0
55
71
86
201
201+
0.66 ppb
0
36
76
186
605
1005+
7.59 ppb
0
54
101
361
1250
2050+
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Monroe City, Michigan
Monroe City, Michigan
Scroll To Air Quality MapLoading...
AQI 34
Good
5.74μg/m³
PM2.5
21.60μg/m³
PM10
36.99ppb
O3
1.57ppb
SO2
6.25ppb
NO2
0.17ppm
CO
AQI 34
Good
5.74μg/m³
PM2.5
21.60μg/m³
PM10
36.99ppb
O3
1.57ppb
SO2
6.25ppb
NO2
0.17ppm
CO
AQI 33
Good
5.80μg/m³
PM2.5
28.63μg/m³
PM10
17.72ppb
O3
1.57ppb
SO2
6.28ppb
NO2
0.18ppm
CO
AQI 33
Good
5.83μg/m³
PM2.5
24.84μg/m³
PM10
22.43ppb
O3
1.57ppb
SO2
6.87ppb
NO2
0.18ppm
CO
AQI 33
Good
6.12μg/m³
PM2.5
23.59μg/m³
PM10
34.72ppb
O3
1.61ppb
SO2
6.49ppb
NO2
0.17ppm
CO
AQI 33
Good
5.83μg/m³
PM2.5
24.84μg/m³
PM10
22.43ppb
O3
1.57ppb
SO2
6.87ppb
NO2
0.18ppm
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 06:00:00 on 2026-06-07.
In the last 24 hours, the best air quality in Monroe City, Michigan was observed at 07:00:00 on 2026-06-08.
As of now, the AQI in Monroe City, Michigan is 33, indicating Good conditions.
Monroe City, Michigan air has the highest levels of PM2.5.
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 6.141 μg/m3.
The PM10 concentration in Monroe City, Michigan is 24.911 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Monroe City, Michigan is 0.203 ppm.
Currently, Monroe City, Michigan has a sulfur dioxide (SO2) concentration of 0.751 ppb.
The current ozone (O3) level in Monroe City, Michigan at the moment is 30.564 ppm.
Nitrogen dioxide (NO2) level in Monroe City, Michigan at the moment is 6.736 ppb.
All Rights Reserved © Ambee Inc. 2025