Stay updated with real-time air quality in Bay 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)
44
Good
Bay City, Michigan
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
8.39 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
36.92 μg/m³
0
55
155
255
425
605+
26.71 ppb
0
55
71
86
201
201+
0.82 ppb
0
36
76
186
605
1005+
5.17 ppb
0
54
101
361
1250
2050+
0.21 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Bay City, Michigan
Bay City, Michigan
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AQI 44
Good
8.39μg/m³
PM2.5
36.92μg/m³
PM10
26.71ppb
O3
0.82ppb
SO2
5.17ppb
NO2
0.21ppm
CO
AQI 49
Good
8.77μg/m³
PM2.5
36.63μg/m³
PM10
26.32ppb
O3
0.82ppb
SO2
6.79ppb
NO2
0.21ppm
CO
AQI 49
Good
9.18μg/m³
PM2.5
35.62μg/m³
PM10
26.40ppb
O3
0.83ppb
SO2
5.19ppb
NO2
0.21ppm
CO
AQI 49
Good
9.00μg/m³
PM2.5
36.78μg/m³
PM10
27.09ppb
O3
0.83ppb
SO2
6.10ppb
NO2
0.21ppm
CO
AQI 49
Good
9.28μg/m³
PM2.5
35.43μg/m³
PM10
26.40ppb
O3
0.83ppb
SO2
5.09ppb
NO2
0.21ppm
CO
AQI 38
Good
7.30μg/m³
PM2.5
35.35μg/m³
PM10
25.76ppb
O3
0.81ppb
SO2
4.96ppb
NO2
0.24ppm
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 Bay City, Michigan is updated on an hourly basis.
The worst air quality in Bay City, Michigan was recorded at 01:00:00 on 2025-12-06.
The best air quality in Bay City, Michigan was recorded at 12:00:00 on 2025-12-07.
The real-time air quality index in Bay City, Michigan is 44, currently categorized as Good.
The most common pollutant in Bay City, Michigan is PM2.5.
If the air quality in Bay City, Michigan is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Bay City, Michigan at present are 8.391 μg/m3.
The current PM10 levels in Bay City, Michigan are 36.922 μg/m3.
The current carbon monoxide (CO) level in Bay City, Michigan is 0.214 ppm.
The current sulfur dioxide (SO2) levels in Bay City, Michigan are 0.825 ppb.
The current ozone (O3) levels at Bay City, Michigan is 26.709 ppm.
The current nitrogen dioxide (NO2) levels at Bay City, Michigan is 5.174 ppb.
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