What is the air quality in Mercier–Hochelaga-Maisonneuve today?

The current Air Quality Index (AQI) in Mercier–Hochelaga-Maisonneuve is 19 (Good). PM2.5 concentration is 4.57 µg/m³.

What is the temperature in Mercier–Hochelaga-Maisonneuve right now?

The current temperature in Mercier–Hochelaga-Maisonneuve is 16.2°C (feels like 16.2°C). Humidity is 96.5% and wind speed is 48.2 km/h.

Is it safe to go outside in Mercier–Hochelaga-Maisonneuve?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.7 (Low).

Air Quality in Mercier–Hochelaga-Maisonneuve, Canada

Drizzle

16.2°C · 96.5% humidity

16.2°

Feels 16.2°

Good

Air quality is satisfactory. Enjoy outdoor activities.

11 stations

Nearby Monitoring Stations

AQI Forecast Calibrated

3 5am

19 8am

18 11am

18 2pm

18 5pm

18 8pm

18 11pm

19 2am

Station readings

CAMS model adj -6

Air Quality Index Trend

47h · 2 stn

View full history →

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.

96.5%

Humidity

48.2 km/h

Wind NE

1009.6 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

4.57 µg/m³

PM10

13.7 µg/m³

050100150200300500

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

Temperature & Precipitation

PM2.5 Trend

47h · 2 stations

PM2.54.57 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

Station readings (11 stations within 25 km)

4.57

Median

3.79

Average

3.1

Low

4.94

High

PM2.5 µg/m³ · Model: 5.8 · Bias: +1.2

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

09-05

26.1° 13.9°

3.69 mm

09-06

23.0° 14.2°

5.19 mm

09-07

21.1° 12.9°

09-08

18.5° 13.7°

5.31 mm

09-09

24.7° 12.0°

0.62 mm

09-10

20.4° 13.3°

10.0 mm

09-11

26.6° 12.0°

0.31 mm

Both models agree Avg diff: 4.1°C

Where are air quality stations near Mercier–Hochelaga-Maisonneuve?

canada-montreal-rue-ida-steinberg

1.6 km PM2.5: 8.5 µg/m³

–

canada-montreal-rue-leclaire

2.3 km PM2.5: 0.0 µg/m³

Anjou, Montreal, Canada

3.6 km PM2.5: 5.5 µg/m³

Anjou, Montreal, Canada

3.6 km PM2.5: 8.2 µg/m³

Anjou, Montreal, Canada

3.6 km PM2.5: 5.5 µg/m³

Anjou, Montreal, Canada

3.6 km PM2.5: 5.8 µg/m³

Anjou, Montreal, Canada

3.6 km PM2.5: 5.5 µg/m³

Molson, Montreal, Canada

3.8 km PM2.5: 3.8 µg/m³

Molson, Montreal, Canada

3.8 km PM2.5: 4.6 µg/m³

Molson, Montreal, Canada

3.8 km PM2.5: 3.6 µg/m³

What cities are near Mercier–Hochelaga-Maisonneuve?

15 Saint-Léonard 16 Villeray–Saint-Michel–Parc-Extension 18 Le Vieux-Longueuil 16 Le Plateau-Mont-Royal 15 Saint-Michel 16 Rosemont–La Petite-Patrie 16 Mile End 13 Montréal-Nord 16 Montréal 16 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 2026-09-05T12:13 UTC.