Air Quality in Port Huron, United States

Windy
10.4°C · 73.5% humidity
10.4°
Feels 10.4°
45
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
20 7pm
20
20
45 10pm
38
33
29 1am
27
26
24 4am
23
23
22 7am
22
22
23 10am
23
21
21 1pm
21
21
21 4pm
21
21
Station readings 28h ago
AQI 23
PM2.5 5.5 µg/m³ · 28h ago
AD 728×90

Air Quality Index Trend

47h · 1 stn

Port 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.

73.5%
Humidity
51.6 km/h
Wind NNW
1005.5 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
45
10.8 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Port Huron?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station
PM2.510.8 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (2 stations within 25 km)
10.8
Median
10.8
Average
10.6
Low
11.0
High
PM2.5 µg/m³ · Model: 7.0 · Bias: -3.8
Both models agree Avg diff: 7.2°C

Where are air quality stations near Port Huron?

46
Sarnia, Ontario, Canada
2.1 km PM2.5: 11.0 µg/m³
26
Port Huron, Michigan, USA
3.2 km PM2.5: 6.2 µg/m³
33
Port Huron, Michigan, USA
3.2 km PM2.5: 7.9 µg/m³
36
Port Huron, Michigan, USA
3.2 km PM2.5: 8.6 µg/m³

What cities are near Port Huron?

45 Sarnia 29 Mount Clemens 29 Clinton Township 30 Shelby 31 Saint Clair Shores 36 Chatham 48 Strathroy 30 Sterling Heights 30 Roseville 26 Rochester Hills
Get AQI alerts for Port Huron

Notify me when air quality reaches:

Free · No account · Unsubscribe any time

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-09T02:13 UTC.