Air Quality in Mercier–Hochelaga-Maisonneuve, Canada

Windy
12.3°C · 74.5% humidity
12.3°
Feels 12.3°
16
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
13 6pm
12
21
16 9pm
23
29
32 12am
35
17
11 3am
12
13
14 6am
14
14
15 9am
15
15
15 12pm
15
15
15 3pm
13
13
Station readings
13
12
21
CAMS model adj -12
25
25
27
54
54
54
54
54
34
27
27
27
27
27
27
27
27
27
27
27
27
27
25
25
AD 728×90

Air Quality Index Trend

47h · 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
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
16
3.9 µg/m³
PM10▲
19
20.55 µg/m³
050100150200300500

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

Temperature & Precipitation

PM2.5 Trend

47h · 2 stations
PM2.53.9 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (2 stations within 25 km)
3.9
Median
3.3
Average
2.67
Low
3.93
High
PM2.5 µg/m³ · Model: 13.5 · Bias: +9.6

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

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 Mercier–Hochelaga-Maisonneuve?

21
canada-montreal-rue-ida-steinberg
1.6 km PM2.5: 5.0 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
12
Montréal, Ahuntsic Live Meteo Station
10.0 km 83.8°C 35.6% RH PM2.5: 3.0 µg/m³ PM10: 3.0 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
2
Laval, Quebec, Canada
13.5 km PM2.5: 0.5 µg/m³
114
Longueuil - secteur du parc Océanie (Brossard), Quebec, Canada
15.6 km PM2.5: 40.8 µg/m³
15
Longueuil - secteur du parc Océanie (Brossard), Quebec, Canada
15.6 km PM2.5: 3.6 µg/m³

What cities are near Mercier–Hochelaga-Maisonneuve?

14 Saint-Léonard 13 Villeray–Saint-Michel–Parc-Extension 16 Le Vieux-Longueuil 15 Le Plateau-Mont-Royal 12 Saint-Michel 13 Rosemont–La Petite-Patrie 14 Mile End 13 Montréal-Nord 14 Montréal 13 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 2026-06-09T01:07 UTC.