Air Quality in Montréal, Canada
Cloudy
11.7°C · 75.6% humidity
11.7°
Feels 11.7°
29
Good
Air quality is satisfactory. Enjoy outdoor activities.
8 stations
Nearby Monitoring Stations
AQI Forecast
Calibrated
20
9pm
30
36
29
12am
31
12
6
3am
6
7
7
6am
7
8
8
9am
8
8
8
12pm
8
8
8
3pm
6
6
6
6pm
8
15
Station readings
20
30
36
CAMS model
adj -19
54
54
54
54
54
34
27
27
27
27
27
27
27
27
27
27
27
27
27
25
25
25
27
34
Air Quality Index Trend
47h · 3 stnMontréal's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
75.6%
Humidity
24.3 km/h
Wind SSW
999.1 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
7.01 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for Montréal?
Temperature & Precipitation
PM2.5 Trend
47h · 3 stationsPM2.57.01 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
Station readings (8 stations within 25 km)
7.01
Median
6.98
Average
4.6
Low
9.6
High
PM2.5 µg/m³ · Model: 10.0 · Bias: +3.0
What is the 7-day forecast for Montréal?
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
06-15
24.3° 17.5°
17.06 mm
Both models agree
Avg diff: 6.8°C
Where are air quality stations near Montréal?
56
Montreal
–
canada-montreal-rue-leclaire
33
canada-montreal-rue-ida-steinberg
42
Montréal, Ahuntsic Live Meteo Station
12
Longueuil - secteur du parc Océanie (Brossard), Quebec, Canada
27
Longueuil - secteur du parc Océanie (Brossard), Quebec, Canada
15
Longueuil - secteur du parc Océanie (Brossard), Quebec, Canada
114
Longueuil - secteur du parc Océanie (Brossard), Quebec, Canada
124
Laval, Quebec, Canada
2
Laval, Quebec, Canada
What cities are near Montréal?
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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 2026-06-09T04:11 UTC.