Stay updated with real-time air quality in Mount Pleasant, 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)
39
Good
Mount Pleasant, Michigan
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.06 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
26.59 μg/m³
0
55
155
255
425
605+
42.32 ppb
0
55
71
86
201
201+
0.27 ppb
0
36
76
186
605
1005+
2.09 ppb
0
54
101
361
1250
2050+
0.15 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Very high
Mount Pleasant, Michigan
Mount Pleasant, Michigan
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AQI 49
Good
8.95μg/m³
PM2.5
40.22μg/m³
PM10
35.99ppb
O3
0.18ppb
SO2
1.44ppb
NO2
0.14ppm
CO
AQI 42
Good
2.18μg/m³
PM2.5
14.74μg/m³
PM10
44.82ppb
O3
0.87ppb
SO2
4.73ppb
NO2
0.20ppm
CO
AQI 42
Good
3.40μg/m³
PM2.5
26.43μg/m³
PM10
44.56ppb
O3
0.89ppb
SO2
4.86ppb
NO2
0.20ppm
CO
AQI 42
Good
3.53μg/m³
PM2.5
26.29μg/m³
PM10
44.86ppb
O3
0.88ppb
SO2
4.91ppb
NO2
0.20ppm
CO
AQI 43
Good
1.52μg/m³
PM2.5
15.32μg/m³
PM10
46.37ppb
O3
0.87ppb
SO2
4.89ppb
NO2
0.20ppm
CO
AQI 42
Good
0.62μg/m³
PM2.5
2.10μg/m³
PM10
45.19ppb
O3
0.87ppb
SO2
4.89ppb
NO2
0.20ppm
CO
Air quality measurements for Michigan, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Mount Pleasant, Michigan is updated on an hourly basis.
The worst air quality in Mount Pleasant, Michigan was recorded at 01:00:00 on 2026-04-14.
The best air quality in Mount Pleasant, Michigan was recorded at 06:00:00 on 2026-04-14.
The real-time air quality index in Mount Pleasant, Michigan is 44, currently categorized as Good.
The most common pollutant in Mount Pleasant, Michigan is PM2.5.
If the air quality in Mount Pleasant, Michigan is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Mount Pleasant, Michigan at present are 7.677 μg/m3.
The current PM10 levels in Mount Pleasant, Michigan are 33.581 μg/m3.
The current carbon monoxide (CO) level in Mount Pleasant, Michigan is 0.137 ppm.
The current sulfur dioxide (SO2) levels in Mount Pleasant, Michigan are 0.181 ppb.
The current ozone (O3) levels at Mount Pleasant, Michigan is 40.172 ppm.
The current nitrogen dioxide (NO2) levels at Mount Pleasant, Michigan is 1.369 ppb.
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