Air Quality in Mont-Saint-Hilaire, Canada
Windy
18.6°C · 55.1% humidity
18.6°
Feels 18.6°
31
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
Mont-Saint-Hilaire's air quality — share it
AQI Forecast
27
8pm
34
34
31
11pm
34
34
34
2am
34
34
34
5am
54
54
54
8am
27
27
27
11am
27
27
25
2pm
25
25
25
5pm
25
25
Air Quality Index Trend
45h · 17 stnMont-Saint-Hilaire's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
55.1%
Humidity
49.5 km/h
Wind WSW
1011.1 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
7.35 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Mont-Saint-Hilaire?
Temperature & Precipitation
PM2.5 Trend
45h · 17 stationsPM2.57.35 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX2.2
Moderate
What is the 7-day forecast for Mont-Saint-Hilaire?
08-03
23.6° 16.0°
08-04
28.6° 15.0°
4.06 mm
08-05
28.4° 16.1°
0.94 mm
08-06
26.1° 18.9°
3.19 mm
08-07
25.8° 14.8°
3.0 mm
08-08
24.4° 16.3°
08-09
31.6° 17.7°
0.62 mm
Both models agree
Avg diff: 3.6°C
Where are air quality stations near Mont-Saint-Hilaire?
26
Vallée-du-Richelieu, Quebec, Canada
28
Vallée-du-Richelieu, Quebec, Canada
28
Vallée-du-Richelieu, Quebec, Canada
28
Vallée-du-Richelieu, Quebec, Canada
21
Vallée-du-Richelieu, Quebec, Canada
12
Vallée-du-Richelieu, Quebec, Canada
28
Vallée-du-Richelieu, Quebec, Canada
29
Vallée-du-Richelieu, Quebec, Canada
53
Saint-Jean-Baptiste, Montreal, Canada
25
Saint-Jean-Baptiste, Montreal, Canada
What cities are near Mont-Saint-Hilaire?
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-08T03:28 UTC.