Air Quality in Saint-Laurent, Canada

Clear
4.9°C · 39.4% humidity
4.9°
Feels 0.4°
31
Good
Air quality is satisfactory. Enjoy outdoor activities.
15 stations

Nearby Monitoring Stations

AQI Forecast
6 6pm
43
76
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Station readings
6
43
76

Air Quality Index Trend

46h · 2 stn

Saint-Laurent's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

39.4%
Humidity
24.3 km/h
Wind W
1029.8 hPa
Pressure
0.0
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
31
7.42 µg/m³
PM10▲
51
54.9 µg/m³
050100150200300500

What is the weather forecast for Saint-Laurent?

Temperature & Precipitation

PM2.5 Trend

46h · 2 stations
PM2.57.42 µg/m³ ✓ WHO
Good
PM1054.9 µg/m³
Moderate
UV INDEX0.0
Low
Station readings (15 stations within 25 km)
7.42
Median
7.29
Average
4.1
Low
24.95
High
PM2.5 µg/m³ · Model: 19.2 · Bias: +11.8

What is the 7-day forecast for Saint-Laurent?

10-21
14.5° 4.9°
10-22
12.3° 4.4°
9.25 mm
10-23
14.3° 7.3°
3.13 mm
10-24
14.5° 4.6°
0.75 mm
10-25
17.7° 7.4°
17.69 mm
10-26
9.1° 5.8°
0.62 mm
10-27
9.3° 3.5°
1.94 mm
Both models agree Avg diff: 4.4°C

Where are air quality stations near Saint-Laurent?

59
Montréal, Ahuntsic Live Meteo Station
6.3 km 55.5°C 56.9% RH PM2.5: 16.0 µg/m³ PM10: 22.0 µg/m³
27
Roberval, York, Montreal, Canada
7.6 km PM2.5: 6.5 µg/m³
19
Roberval, York, Montreal, Canada
7.6 km PM2.5: 4.6 µg/m³
54
Roberval, York, Montreal, Canada
7.6 km PM2.5: 13.5 µg/m³
22
Roberval, York, Montreal, Canada
7.6 km PM2.5: 5.3 µg/m³
22
Roberval, York, Montreal, Canada
7.6 km PM2.5: 5.3 µg/m³
29
Roberval, York, Montreal, Canada
7.6 km PM2.5: 7.0 µg/m³
24
Roberval, York, Montreal, Canada
7.6 km PM2.5: 5.8 µg/m³
26
Roberval, York, Montreal, Canada
7.6 km PM2.5: 6.2 µg/m³
13
Roberval, York, Montreal, Canada
7.6 km PM2.5: 3.1 µg/m³

What cities are near Saint-Laurent?

32 Mont-Royal 30 Snowdon 30 Côte-Saint-Luc 32 Parc-Extension 32 Cartierville 31 Outremont 28 Notre-Dame-de-Grâce 28 Westmount 32 Mile End 34 Rosemont–La Petite-Patrie
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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 2026-10-21T01:07 UTC.