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
AD 728×90

Air Quality Index Trend

47h · 3 stn

Montréal'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▲
29
7.01 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Montréal?

Temperature & Precipitation

PM2.5 Trend

47h · 3 stations
PM2.57.01 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
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
2.6 km PM2.5: 14.5 µg/m³
–
canada-montreal-rue-leclaire
6.8 km PM2.5: 0.0 µg/m³
33
canada-montreal-rue-ida-steinberg
7.2 km PM2.5: 7.9 µg/m³
42
Montréal, Ahuntsic Live Meteo Station
8.5 km 76.5°C 50.5% RH PM2.5: 10.0 µg/m³ PM10: 10.0 µg/m³
12
Longueuil - secteur du parc Océanie (Brossard), Quebec, Canada
11.9 km PM2.5: 2.9 µg/m³
27
Longueuil - secteur du parc Océanie (Brossard), Quebec, Canada
11.9 km PM2.5: 6.5 µg/m³
15
Longueuil - secteur du parc Océanie (Brossard), Quebec, Canada
11.9 km PM2.5: 3.6 µg/m³
114
Longueuil - secteur du parc Océanie (Brossard), Quebec, Canada
11.9 km PM2.5: 40.8 µg/m³
124
Laval, Quebec, Canada
14.6 km PM2.5: 44.8 µg/m³
2
Laval, Quebec, Canada
14.6 km PM2.5: 0.5 µg/m³

What cities are near Montréal?

29 Ville-Marie 30 Mile End 29 Outremont 30 Le Plateau-Mont-Royal 27 Westmount 30 Rosemont–La Petite-Patrie 26 Le Sud-Ouest 27 Notre-Dame-de-Grâce 29 Parc-Extension 28 Snowdon
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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.