Stay updated with real-time air quality in Port Huron Charter Township, 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
Port Huron Charter Township, Michigan
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.47 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
17.32 μg/m³
0
55
155
255
425
605+
48.50 ppb
0
55
71
86
201
201+
0.76 ppb
0
36
76
186
605
1005+
6.47 ppb
0
54
101
361
1250
2050+
0.17 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Port Huron Charter Township, Michigan
Port Huron Charter Township, Michigan
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AQI 44
Good
4.47μg/m³
PM2.5
17.32μg/m³
PM10
48.50ppb
O3
0.76ppb
SO2
6.47ppb
NO2
0.17ppm
CO
AQI 44
Good
4.47μg/m³
PM2.5
17.32μg/m³
PM10
48.50ppb
O3
0.76ppb
SO2
6.47ppb
NO2
0.17ppm
CO
AQI 44
Good
4.47μg/m³
PM2.5
17.32μg/m³
PM10
48.50ppb
O3
0.76ppb
SO2
6.47ppb
NO2
0.17ppm
CO
AQI 45
Good
5.40μg/m³
PM2.5
17.01μg/m³
PM10
49.34ppb
O3
0.78ppb
SO2
6.08ppb
NO2
0.18ppm
CO
AQI 45
Good
5.40μg/m³
PM2.5
17.01μg/m³
PM10
49.34ppb
O3
0.78ppb
SO2
6.08ppb
NO2
0.18ppm
CO
AQI 44
Good
5.47μg/m³
PM2.5
18.69μg/m³
PM10
48.10ppb
O3
0.82ppb
SO2
6.02ppb
NO2
0.17ppm
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 Port Huron Charter Township, Michigan is updated on an hourly basis.
The worst air quality in Port Huron Charter Township, Michigan was recorded at 08:00:00 on 2026-07-23.
The best air quality in Port Huron Charter Township, Michigan was recorded at 04:00:00 on 2026-07-23.
The real-time air quality index in Port Huron Charter Township, Michigan is 44, currently categorized as Good.
The most common pollutant in Port Huron Charter Township, Michigan is O3.
If the air quality in Port Huron Charter Township, Michigan is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Port Huron Charter Township, Michigan at present are 4.468 μg/m3.
The current PM10 levels in Port Huron Charter Township, Michigan are 17.325 μg/m3.
The current carbon monoxide (CO) level in Port Huron Charter Township, Michigan is 0.171 ppm.
The current sulfur dioxide (SO2) levels in Port Huron Charter Township, Michigan are 0.763 ppb.
The current ozone (O3) levels at Port Huron Charter Township, Michigan is 48.499 ppm.
The current nitrogen dioxide (NO2) levels at Port Huron Charter Township, Michigan is 6.469 ppb.
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