Port Huron, Michigan, USA

Monitoring Station · Port Huron, United States
18
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
37 2am
57
57
57 5am
57
57
57 8am
57
57
57 11am
37
30
30 2pm
28
28
— 5pm
—
—
— 8pm
—
—
— 11pm
—
—
CAMS model adj +3
34
54
54
54
54
54
54
54
54
54
34
27
27
25
25

Air Quality Trend (24h)

PM2.54.3 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

27
Port Huron, Michigan, USA
0.0 km PM2.5: 6.5 µg/m³
24
Sarnia, Ontario, Canada
5.3 km PM2.5: 5.8 µg/m³
22
Sarnia, Ontario, Canada
5.3 km PM2.5: 5.3 µg/m³
24
Sarnia, Ontario, Canada
5.3 km PM2.5: 5.8 µg/m³
17
Sarnia, Ontario, Canada
5.3 km PM2.5: 4.1 µg/m³
25
Sarnia, Ontario, Canada
5.3 km PM2.5: 6.0 µg/m³
18
Sarnia, Ontario, Canada
5.3 km PM2.5: 4.3 µg/m³

Nearby Cities

19 Port Huron 18 Sarnia 25 Mount Clemens 29 Clinton Township 23 Shelby 30 Saint Clair Shores 31 Sterling Heights 26 Chatham 30 Roseville

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-15T05:17 UTC.