Air Quality in Ville-Marie, Canada

Clear
26.5°C · 43.8% humidity
26.5°
Feels 26.5°
75
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
2 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
66 10am
78
78
75 1pm
72
70
69 4pm
68
67
66 7pm
66
59
58 10pm
58
56
56 1am
56
56
55 4am
55
55
55 7am
55
55
Station readings
66
78
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

Ville-Marie'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 Ville-Marie is 1.6× 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▲
75
23.37 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Ville-Marie?

Temperature & Precipitation

PM2.5 Trend

47h · 3 stations
PM2.523.37 µg/m³ ×1.6 WHO
Moderate
PM1020.55 µg/m³
Good
UV INDEX14.9
Extreme
AD 300×250
Station readings (2 stations within 25 km)
23.37
Median
24.52
Average
20.7
Low
28.33
High
PM2.5 µg/m³ · Model: 13.7 · Bias: -9.7

What is the 7-day forecast for Ville-Marie?

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 Ville-Marie?

53
Montreal
1.7 km PM2.5: 13.1 µg/m³
40
Montreal
1.7 km PM2.5: 9.6 µg/m³
40
Montreal
1.7 km PM2.5: 9.6 µg/m³
25
Montreal
1.7 km PM2.5: 6.0 µg/m³
–
canada-montreal-rue-leclaire
7.0 km PM2.5: 0.0 µg/m³
80
canada-montreal-rue-ida-steinberg
7.5 km PM2.5: 25.9 µg/m³
37
Longueuil - secteur du parc Océanie (Brossard), Quebec, Canada
10.1 km PM2.5: 8.9 µg/m³
132
Longueuil - secteur du parc Océanie (Brossard), Quebec, Canada
10.1 km PM2.5: 48.1 µg/m³
193
Longueuil - secteur du parc Océanie (Brossard), Quebec, Canada
10.1 km PM2.5: 136.8 µg/m³
24
Longueuil - secteur du parc Océanie (Brossard), Quebec, Canada
10.1 km PM2.5: 5.8 µg/m³

What cities are near Ville-Marie?

76 Montréal 77 Westmount 74 Le Plateau-Mont-Royal 77 Le Sud-Ouest 76 Mile End 78 Outremont 77 Saint-Henri 78 Notre-Dame-de-Grâce 76 Verdun 73 Ile-des-Soeurs
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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 2026-07-21T17:25 UTC.