Air Quality in Saint-Laurent, Canada

Drizzle
9.6°C · 62.6% humidity
9.6°
Feels 5.0°
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
13 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
12 8pm
34
35
25 11pm
30
32
33 2am
34
35
36 5am
34
34
35 8am
35
35
35 11am
35
35
35 2pm
35
35
35 5pm
35
35
Station readings
12
13
4
10
CAMS model adj +10
27
24
25
25
27
27
27
27
27
27
25
25
25
25
25
25
25
25
25
25
25
25
25
25
AD 728×90

Air Quality Index Trend

44h · 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.

62.6%
Humidity
48.9 km/h
Wind NW
1019.3 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
25
6.02 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Saint-Laurent?

Temperature & Precipitation

PM2.5 Trend

44h · 2 stations
PM2.56.02 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (13 stations within 25 km)
6.02
Median
6.39
Average
2.0
Low
8.9
High
PM2.5 µg/m³ · Model: 5.9 · Bias: -0.1

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

05-30
20.0° 9.1°
9.38 mm
05-31
23.3° 6.6°
2.94 mm
06-01
24.7° 17.7°
06-02
18.1° 10.7°
1.63 mm
06-03
26.3° 15.6°
06-04
21.9° 13.7°
0.88 mm
06-05
24.0° 12.8°
6.94 mm
Both models agree Avg diff: 4.2°C

Where are air quality stations near Saint-Laurent?

8
Montréal, Ahuntsic Live Meteo Station
6.3 km 52.0°C 90.3% RH PM2.5: 2.0 µg/m³ PM10: 2.0 µg/m³
56
Montreal
8.8 km PM2.5: 14.5 µg/m³
–
canada-montreal-rue-leclaire
12.2 km PM2.5: 0.0 µg/m³
19
canada-montreal-rue-ida-steinberg
12.4 km PM2.5: 4.6 µg/m³
36
Laval, Quebec, Canada
12.4 km PM2.5: 8.6 µg/m³
2
Laval, Quebec, Canada
12.4 km PM2.5: 0.5 µg/m³
134
Laval, Quebec, Canada
12.4 km PM2.5: 48.9 µg/m³
108
Longueuil - secteur du parc Océanie (Brossard), Quebec, Canada
16.7 km PM2.5: 38.3 µg/m³
14
Longueuil - secteur du parc Océanie (Brossard), Quebec, Canada
16.7 km PM2.5: 3.4 µg/m³
68
Longueuil - secteur du parc Océanie (Brossard), Quebec, Canada
16.7 km PM2.5: 20.2 µg/m³

What cities are near Saint-Laurent?

24 Mont-Royal 29 Snowdon 28 Côte-Saint-Luc 25 Parc-Extension 19 Cartierville 30 Outremont 30 Notre-Dame-de-Grâce 31 Westmount 31 Mile End 29 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 2026-05-30T03:24 UTC.