Port Huron, Michigan, USA Air Quality

Monitoring Station · Port Huron, United States
70
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
69 10pm
70
49
49 1am
49
49
47 4am
47
49
49 7am
56
76
76 10am
76
76
— 1pm
—
—
— 4pm
—
—
— 7pm
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Station readings
69
70
CAMS model adj +22
27
27
27
27
27
27
25
25
27
27
34
54
54
54
54

Air Quality Forecast (24h)

PM2.521.1 µg/m³ ×1.4 WHO
Moderate
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Nearby Monitoring Stations

14
Sarnia, Ontario, Canada
5.3 km PM2.5: 3.4 µg/m³
42
Sarnia, Ontario, Canada
5.3 km PM2.5: 10.1 µg/m³
55
Sarnia, Ontario, Canada
5.3 km PM2.5: 14.0 µg/m³
42
Sarnia, Ontario, Canada
5.3 km PM2.5: 10.1 µg/m³
62
Sarnia, Ontario, Canada
5.3 km PM2.5: 17.3 µg/m³
58
Sarnia, Ontario, Canada
5.3 km PM2.5: 15.4 µg/m³
65
Sarnia, Ontario, Canada
5.3 km PM2.5: 18.8 µg/m³

Nearby Cities

53 Port Huron 53 Sarnia 31 Mount Clemens 31 Clinton Township 31 Shelby 59 Saint Clair Shores 42 Sterling Heights 42 Chatham 60 Roseville

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-08T01:31 UTC.