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
7.49 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
29.05 μg/m³
0
55
155
255
425
605+
16.18 ppb
0
55
71
86
201
201+
0.98 ppb
0
36
76
186
605
1005+
4.02 ppb
0
54
101
361
1250
2050+
0.26 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 46
Good
7.86μg/m³
PM2.5
49.68μg/m³
PM10
31.82ppb
O3
1.14ppb
SO2
5.83ppb
NO2
0.19ppm
CO
AQI 46
Good
7.86μg/m³
PM2.5
49.68μg/m³
PM10
31.82ppb
O3
1.14ppb
SO2
5.83ppb
NO2
0.19ppm
CO
AQI 33
Good
5.70μg/m³
PM2.5
31.84μg/m³
PM10
33.28ppb
O3
1.14ppb
SO2
5.84ppb
NO2
0.20ppm
CO
AQI 31
Good
3.56μg/m³
PM2.5
26.74μg/m³
PM10
34.07ppb
O3
1.14ppb
SO2
5.96ppb
NO2
0.20ppm
CO
AQI 34
Good
3.76μg/m³
PM2.5
19.14μg/m³
PM10
36.64ppb
O3
1.20ppb
SO2
5.87ppb
NO2
0.20ppm
CO
AQI 31
Good
3.56μg/m³
PM2.5
26.74μg/m³
PM10
34.07ppb
O3
1.14ppb
SO2
5.96ppb
NO2
0.20ppm
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 01:00:00 on 2025-07-23.
In the last 24 hours, the best air quality in Monroe City, Michigan was observed at 07:00:00 on 2025-07-22.
As of now, the AQI in Monroe City, Michigan is 46, indicating Good 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 7.861 μg/m3.
The PM10 concentration in Monroe City, Michigan is 49.683 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Monroe City, Michigan is 0.194 ppm.
Currently, Monroe City, Michigan has a sulfur dioxide (SO2) concentration of 1.144 ppb.
The current ozone (O3) level in Monroe City, Michigan at the moment is 31.816 ppm.
Nitrogen dioxide (NO2) level in Monroe City, Michigan at the moment is 5.832 ppb.
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