Air Quality in Sault Ste. Marie, Canada
Clear
28.5°C · 29.1% humidity
28.5°
Feels 28.5°
60
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Model forecast
Nearby Monitoring Stations
Sault Ste. Marie's air quality — share it
AQI Forecast
Calibrated
82
10am
82
82
60
1pm
66
71
74
4pm
78
80
81
7pm
80
82
81
10pm
80
80
81
1am
81
81
81
4am
81
81
81
7am
81
82
Station readings
18h ago
AQI 122
PM2.5 44.0 µg/m³ · 18h ago
CAMS model
adj +57
25
25
25
25
25
25
25
27
27
27
25
27
25
24
24
24
24
24
24
24
24
24
24
25
Air Quality Index Trend
8h · 1 stnSault Ste. Marie's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration. Current PM2.5 concentration in Sault Ste. Marie is 1.1× the WHO 24-hour guideline of 15 µg/m³.
29.1%
Humidity
13.8 km/h
Wind SSW
1015.5 hPa
Pressure
6.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
16.55 µg/m³
PM10
34.3 µg/m³
050100150200300500
What is the weather forecast for Sault Ste. Marie?
Temperature & Precipitation
PM2.5 Trend
8h · 1 stationPM2.516.55 µg/m³
×1.1 WHO
Moderate
PM1034.3 µg/m³
Good
UV INDEX6.9
High
What is the 7-day forecast for Sault Ste. Marie?
07-21
28.5° 13.7°
10.69 mm
07-22
27.1° 14.6°
0.44 mm
07-23
18.0° 15.8°
5.19 mm
07-24
23.8° 11.5°
07-25
24.3° 13.6°
0.19 mm
07-26
25.6° 16.9°
4.81 mm
07-27
28.6° 12.1°
1.75 mm
Both models agree
Avg diff: 3.1°C
Where are air quality stations near Sault Ste. Marie?
24
Sault Ste. Marie, Ontario, Canada
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Sault Ste. Marie, Ontario, Canada
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Sault Ste. Marie, Ontario, Canada
What cities are near Sault Ste. Marie?
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T17:25 UTC.