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)
56
Moderate
Bay City, Michigan
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
12.43 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
57.04 μg/m³
0
55
155
255
425
605+
25.94 ppb
0
55
71
86
201
201+
0.50 ppb
0
36
76
186
605
1005+
7.09 ppb
0
54
101
361
1250
2050+
0.35 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 58
Moderate
13.21μg/m³
PM2.5
58.99μg/m³
PM10
32.10ppb
O3
0.41ppb
SO2
8.24ppb
NO2
0.41ppm
CO
AQI 60
Moderate
13.63μg/m³
PM2.5
52.61μg/m³
PM10
32.53ppb
O3
0.40ppb
SO2
8.32ppb
NO2
0.41ppm
CO
AQI 64
Moderate
15.97μg/m³
PM2.5
51.09μg/m³
PM10
31.00ppb
O3
0.40ppb
SO2
8.84ppb
NO2
0.41ppm
CO
AQI 64
Moderate
15.94μg/m³
PM2.5
52.01μg/m³
PM10
31.51ppb
O3
0.40ppb
SO2
8.21ppb
NO2
0.41ppm
CO
AQI 66
Moderate
16.72μg/m³
PM2.5
47.71μg/m³
PM10
29.89ppb
O3
0.39ppb
SO2
8.19ppb
NO2
0.41ppm
CO
AQI 62
Moderate
14.79μg/m³
PM2.5
44.35μg/m³
PM10
29.84ppb
O3
0.38ppb
SO2
8.04ppb
NO2
0.41ppm
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 02:00:00 on 2026-07-27.
The best air quality in Bay City, Michigan was recorded at 03:00:00 on 2026-07-27.
The real-time air quality index in Bay City, Michigan is 56, currently categorized as Moderate.
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 12.434 μg/m3.
The current PM10 levels in Bay City, Michigan are 57.044 μg/m3.
The current carbon monoxide (CO) level in Bay City, Michigan is 0.348 ppm.
The current sulfur dioxide (SO2) levels in Bay City, Michigan are 0.502 ppb.
The current ozone (O3) levels at Bay City, Michigan is 25.937 ppm.
The current nitrogen dioxide (NO2) levels at Bay City, Michigan is 7.089 ppb.
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