Air Quality in Westmount, Canada

Drizzle
16.2°C · 96.5% humidity
16.2°
Feels 16.2°
15
Good
Air quality is satisfactory. Enjoy outdoor activities.
11 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
8 5am
16
15
15 8am
15
15
15 11am
15
15
15 2pm
15
15
15 5pm
15
15
15 8pm
15
15
15 11pm
15
15
16 2am
16
16
Station readings
8
16
CAMS model adj -9
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
25
25
25
AD 728×90

Air Quality Index Trend

46h · 2 stn

Westmount's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

96.5%
Humidity
48.2 km/h
Wind NE
1009.6 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
15
3.69 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Westmount?

Temperature & Precipitation

PM2.5 Trend

46h · 2 stations
PM2.53.69 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (11 stations within 25 km)
3.69
Median
3.79
Average
3.1
Low
4.94
High
PM2.5 µg/m³ · Model: 5.8 · Bias: +2.1

What is the 7-day forecast for Westmount?

09-05
26.1° 13.9°
3.69 mm
09-06
23.0° 14.2°
5.19 mm
09-07
21.1° 12.9°
09-08
18.5° 13.7°
5.31 mm
09-09
24.7° 12.0°
0.62 mm
09-10
20.4° 13.3°
10.0 mm
09-11
26.6° 12.0°
0.31 mm
Both models agree Avg diff: 4.1°C

Where are air quality stations near Westmount?

16
Roberval, York, Montreal, Canada
2.5 km PM2.5: 3.8 µg/m³
19
Roberval, York, Montreal, Canada
2.5 km PM2.5: 4.6 µg/m³
23
Roberval, York, Montreal, Canada
2.5 km PM2.5: 5.5 µg/m³
19
Roberval, York, Montreal, Canada
2.5 km PM2.5: 4.6 µg/m³
12
Roberval, York, Montreal, Canada
2.5 km PM2.5: 2.9 µg/m³
18
Roberval, York, Montreal, Canada
2.5 km PM2.5: 4.3 µg/m³
22
Roberval, York, Montreal, Canada
2.5 km PM2.5: 5.3 µg/m³
24
Roberval, York, Montreal, Canada
2.5 km PM2.5: 5.8 µg/m³
24
Roberval, York, Montreal, Canada
2.5 km PM2.5: 5.8 µg/m³
23
Roberval, York, Montreal, Canada
2.5 km PM2.5: 5.5 µg/m³

What cities are near Westmount?

15 Notre-Dame-de-Grâce 15 Le Sud-Ouest 15 Saint-Henri 15 Snowdon 16 Ville-Marie 16 Montréal 15 Verdun 16 Outremont 15 Ville-Émard 15 Desmarchais-Crawford
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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 2026-09-05T12:10 UTC.