Air Quality in Le Plateau-Mont-Royal, Canada

Clear
26.5°C · 43.8% humidity
26.5°
Feels 26.5°
74
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
2 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
66 10am
77
78
74 1pm
71
70
68 4pm
67
67
66 7pm
66
59
58 10pm
58
56
56 1am
56
56
55 4am
55
55
55 7am
55
55
Station readings
66
77
78
CAMS model adj +31
27
27
34
34
34
34
34
34
34
34
34
27
27
27
25
25
25
25
24
24
24
24
24
24
AD 728×90

Air Quality Index Trend

47h · 3 stn

Le Plateau-Mont-Royal's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration. Current PM2.5 concentration in Le Plateau-Mont-Royal is 1.5× the WHO 24-hour guideline of 15 µg/m³.

43.8%
Humidity
37.8 km/h
Wind ENE
1015.4 hPa
Pressure
14.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
74
23.05 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Le Plateau-Mont-Royal?

Temperature & Precipitation

PM2.5 Trend

47h · 3 stations
PM2.523.05 µg/m³ ×1.5 WHO
Moderate
PM1020.55 µg/m³
Good
UV INDEX14.9
Extreme
AD 300×250
Station readings (2 stations within 25 km)
23.05
Median
24.52
Average
20.7
Low
28.33
High
PM2.5 µg/m³ · Model: 13.7 · Bias: -9.4

What is the 7-day forecast for Le Plateau-Mont-Royal?

07-21
26.5° 20.8°
07-22
25.3° 18.2°
0.19 mm
07-23
20.5° 13.5°
5.75 mm
07-24
23.6° 14.5°
1.13 mm
07-25
20.5° 18.6°
12.81 mm
07-26
22.8° 16.0°
7.56 mm
07-27
27.8° 18.4°
0.88 mm
Both models agree Avg diff: 2.6°C

Where are air quality stations near Le Plateau-Mont-Royal?

53
Montreal
3.0 km PM2.5: 13.1 µg/m³
40
Montreal
3.0 km PM2.5: 9.6 µg/m³
40
Montreal
3.0 km PM2.5: 9.6 µg/m³
25
Montreal
3.0 km PM2.5: 6.0 µg/m³
–
canada-montreal-rue-leclaire
4.9 km PM2.5: 0.0 µg/m³
80
canada-montreal-rue-ida-steinberg
5.2 km PM2.5: 25.9 µg/m³
76
Montréal, Ahuntsic Live Meteo Station
7.8 km 84.0°C 52.8% RH PM2.5: 24.0 µg/m³ PM10: 24.0 µg/m³
37
Longueuil - secteur du parc Océanie (Brossard), Quebec, Canada
13.0 km PM2.5: 8.9 µg/m³
132
Longueuil - secteur du parc Océanie (Brossard), Quebec, Canada
13.0 km PM2.5: 48.1 µg/m³
193
Longueuil - secteur du parc Océanie (Brossard), Quebec, Canada
13.0 km PM2.5: 136.8 µg/m³

What cities are near Le Plateau-Mont-Royal?

76 Mile End 78 Rosemont–La Petite-Patrie 76 Montréal 78 Outremont 75 Ville-Marie 78 Villeray–Saint-Michel–Parc-Extension 82 Parc-Extension 77 Westmount 81 Saint-Michel 82 Mont-Royal
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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 2026-07-21T17:27 UTC.