Air Quality in Mercier–Hochelaga-Maisonneuve, Canada

Windy
12.3°C · 74.5% humidity
12.3°
Feels 12.3°
23
Good
Air quality is satisfactory. Enjoy outdoor activities.
12 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
13 4pm
10
13
23 7pm
22
47
46 10pm
45
44
43 1am
23
16
15 4am
15
15
15 7am
15
15
15 10am
15
15
15 1pm
15
15
Station readings
13
10
13
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

48h · 2 stn

Mercier–Hochelaga-Maisonneuve'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▲
23
5.52 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Mercier–Hochelaga-Maisonneuve?

Temperature & Precipitation

PM2.5 Trend

48h · 2 stations
PM2.55.52 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX1.4
Low
AD 300×250
Station readings (12 stations within 25 km)
5.52
Median
8.41
Average
2.67
Low
11.0
High
PM2.5 µg/m³ · Model: 7.1 · Bias: +1.6

What is the 7-day forecast for Mercier–Hochelaga-Maisonneuve?

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 Mercier–Hochelaga-Maisonneuve?

12
canada-montreal-rue-ida-steinberg
1.6 km PM2.5: 2.9 µg/m³
–
canada-montreal-rue-leclaire
2.3 km PM2.5: 0.0 µg/m³
56
Montreal
7.1 km PM2.5: 14.5 µg/m³
–
canada-montreal-18e-avenue
9.0 km PM2.5: 0.0 µg/m³
8
Montréal, Ahuntsic Live Meteo Station
10.0 km 85.8°C 31.4% RH PM2.5: 2.0 µg/m³ PM10: 4.0 µg/m³
2
Laval, Quebec, Canada
13.5 km PM2.5: 0.5 µg/m³
124
Laval, Quebec, Canada
13.5 km PM2.5: 44.8 µg/m³
151
Laval, Quebec, Canada
13.5 km PM2.5: 55.5 µg/m³
15
Longueuil - secteur du parc Océanie (Brossard), Quebec, Canada
15.6 km PM2.5: 3.6 µg/m³
27
Longueuil - secteur du parc Océanie (Brossard), Quebec, Canada
15.6 km PM2.5: 6.5 µg/m³

What cities are near Mercier–Hochelaga-Maisonneuve?

38 Saint-Léonard 36 Villeray–Saint-Michel–Parc-Extension 30 Le Vieux-Longueuil 42 Le Plateau-Mont-Royal 34 Saint-Michel 38 Rosemont–La Petite-Patrie 40 Mile End 41 Montréal-Nord 41 Montréal 38 Outremont
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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 2026-06-08T23:27 UTC.