Air Quality in Port Huron, United States
Windy
18.3°C · 77.3% humidity
18.3°
Feels 18.3°
18
Good
Air quality is satisfactory. Enjoy outdoor activities.
4 stations
Nearby Monitoring Stations
Port Huron's air quality — share it
AQI Forecast
Calibrated
21
6am
21
22
18
9am
22
21
21
12pm
21
21
21
3pm
21
21
21
6pm
21
22
22
9pm
22
22
22
12am
22
22
22
3am
24
24
Station readings
21
21
17
17
CAMS model
adj -3
24
24
25
25
25
24
24
24
24
24
24
24
24
24
25
25
25
25
25
25
25
25
27
27
Air Quality Index Trend
47h · 1 stnPort Huron's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
77.3%
Humidity
49.2 km/h
Wind N
1014.5 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
4.38 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Port Huron?
Temperature & Precipitation
PM2.5 Trend
47h · 1 stationPM2.54.38 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX1.4
Low
Station readings (4 stations within 25 km)
4.38
Median
4.25
Average
3.6
Low
5.0
High
PM2.5 µg/m³ · Model: 6.0 · Bias: +1.6
What is the 7-day forecast for Port Huron?
09-05
21.4° 13.4°
0.06 mm
09-06
24.9° 11.9°
1.5 mm
09-07
23.1° 13.8°
12.69 mm
09-08
23.7° 13.9°
2.38 mm
09-09
27.7° 13.4°
3.62 mm
09-10
24.2° 12.0°
1.0 mm
09-11
21.3° 15.2°
0.69 mm
Both models agree
Avg diff: 4.2°C
Where are air quality stations near Port Huron?
30
Sarnia, Ontario, Canada
17
Sarnia, Ontario, Canada
21
Sarnia, Ontario, Canada
15
Port Huron, Michigan, USA
18
Port Huron, Michigan, USA
What cities are near Port Huron?
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-05T13:04 UTC.