Air Quality in Sarnia, Canada

Windy
16.8°C · 78.2% humidity
16.8°
Feels 16.8°
48
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model

Nearby Monitoring Stations

AQI Forecast Calibrated
55 5pm
52
56
56 8pm
56
56
56 11pm
56
56
56 2am
69
69
69 5am
69
69
69 8am
69
56
56 11am
56
56
56 2pm
56
44
Station readings
55
52
CAMS model adj +19
37
37
37
37
37
37
37
37
37
37
50
50
50
50
50
50
50
37
37
37
37
37
37
25
AD 728×90

PM2.5 Trend (24h)

22h · 1 station
78.2%
Humidity
119.8 km/h
Wind SSW
1020.5 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Sarnia?

Temperature & Precipitation

PM2.511.46 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250

What is the 7-day forecast for Sarnia?

04-09
16.8° 4.4°
04-10
13.5° 8.9°
0.62 mm
04-11
6.2° 3.0°
12.94 mm
04-12
10.6° 2.8°
3.06 mm
04-13
24.0° 13.6°
3.56 mm
04-14
24.2° 17.1°
2.0 mm
04-15
17.6° 3.8°
10.56 mm
Both models agree Avg diff: 7.6°C

Where are air quality stations near Sarnia?

36
Sarnia, Ontario, Canada
0.4 km
55
Sarnia, Ontario, Canada
0.4 km
50
Sarnia, Ontario, Canada
0.4 km
48
Port Huron, Michigan, USA
5.1 km
40
Port Huron, Michigan, USA
5.1 km

What cities are near Sarnia?

48 Port Huron 52 Mount Clemens 50 Clinton Township 48 Shelby 41 Strathroy 48 Chatham 48 Saint Clair Shores 50 Sterling Heights 48 Roseville 48 Rochester Hills

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T20:30 UTC.