Air Quality in Westmount, Canada

Windy
12.3°C · 74.5% humidity
12.3°
Feels 12.3°
12
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
11 4pm
11
12
12 7pm
15
42
42 10pm
42
42
42 1am
22
15
15 4am
15
15
15 7am
15
15
15 10am
15
15
15 1pm
15
15
Station readings
11
11
12
CAMS model adj -12
25
25
25
25
27
54
54
54
54
54
34
27
27
27
27
27
27
27
27
27
27
27
27
27
AD 728×90

Air Quality Index Trend

47h · 3 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.

74.5%
Humidity
43.1 km/h
Wind SW
998.1 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
12
2.85 µg/m³
PM10▲
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Westmount?

Temperature & Precipitation

PM2.5 Trend

47h · 3 stations
PM2.52.85 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX1.4
Low
AD 300×250
Station readings (2 stations within 25 km)
2.85
Median
2.85
Average
2.7
Low
3.0
High
PM2.5 µg/m³ · Model: 6.0 · Bias: +3.2

What is the 7-day forecast for Westmount?

06-08
19.0° 9.7°
0.06 mm
06-09
23.4° 11.7°
1.13 mm
06-10
19.3° 12.2°
15.62 mm
06-11
24.5° 9.5°
06-12
22.3° 15.5°
13.13 mm
06-13
26.2° 16.9°
17.75 mm
06-14
26.2° 12.3°
10.5 mm
Both models agree Avg diff: 6.9°C

Where are air quality stations near Westmount?

56
Montreal
4.5 km PM2.5: 14.5 µg/m³
–
canada-montreal-rue-leclaire
9.6 km PM2.5: 0.0 µg/m³
12
Montréal, Ahuntsic Live Meteo Station
10.0 km 89.6°C 32.3% RH PM2.5: 3.0 µg/m³ PM10: 3.0 µg/m³
13
canada-montreal-rue-ida-steinberg
10.1 km PM2.5: 3.1 µg/m³
155
Longueuil - secteur du parc Océanie (Brossard), Quebec, Canada
11.2 km PM2.5: 63.2 µg/m³
114
Longueuil - secteur du parc Océanie (Brossard), Quebec, Canada
11.2 km PM2.5: 40.8 µg/m³
27
Longueuil - secteur du parc Océanie (Brossard), Quebec, Canada
11.2 km PM2.5: 6.5 µg/m³
15
Longueuil - secteur du parc Océanie (Brossard), Quebec, Canada
11.2 km PM2.5: 3.6 µg/m³
124
Laval, Quebec, Canada
16.3 km PM2.5: 44.8 µg/m³
2
Laval, Quebec, Canada
16.3 km PM2.5: 0.5 µg/m³

What cities are near Westmount?

12 Notre-Dame-de-Grâce 12 Le Sud-Ouest 12 Saint-Henri 12 Snowdon 12 Ville-Marie 12 Montréal 12 Verdun 12 Outremont 12 Ville-Émard 12 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 2026-06-08T23:09 UTC.