Air Quality in Saint-Laurent, Canada

Windy
12.1°C · 75.7% humidity
12.1°
Feels 12.1°
26
Good
Air quality is satisfactory. Enjoy outdoor activities.
13 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
9 7pm
14
15
26 10pm
28
29
30 1am
11
5
5 4am
5
6
6 7am
6
6
6 10am
6
6
6 1pm
6
6
4 4pm
4
4
Station readings
9
14
15
22
CAMS model adj -21
25
27
54
54
54
54
54
34
27
27
27
27
27
27
27
27
27
27
27
27
27
25
25
25
AD 728×90

Air Quality Index Trend

48h · 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.

75.7%
Humidity
49.1 km/h
Wind SW
998.0 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
26
6.23 µg/m³
PM10
25
27.4 µg/m³
050100150200300500

What is the weather forecast for Saint-Laurent?

Temperature & Precipitation

PM2.5 Trend

48h · 2 stations
PM2.56.23 µg/m³ ✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (13 stations within 25 km)
6.23
Median
7.75
Average
0.7
Low
21.1
High
PM2.5 µg/m³ · Model: 13.5 · Bias: +7.3

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

06-09
22.6° 11.6°
1.63 mm
06-10
19.6° 12.5°
15.56 mm
06-11
23.9° 9.5°
06-12
22.8° 15.7°
11.0 mm
06-13
24.2° 17.5°
11.0 mm
06-14
25.6° 13.0°
7.06 mm
06-15
23.8° 17.1°
16.19 mm
Both models agree Avg diff: 6.7°C

Where are air quality stations near Saint-Laurent?

17
Montréal, Ahuntsic Live Meteo Station
6.3 km 78.2°C 49.4% RH PM2.5: 4.0 µg/m³ PM10: 4.0 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
42
canada-montreal-rue-ida-steinberg
12.4 km PM2.5: 10.1 µg/m³
124
Laval, Quebec, Canada
12.4 km PM2.5: 44.8 µg/m³
2
Laval, Quebec, Canada
12.4 km PM2.5: 0.5 µg/m³
48
Laval, Quebec, Canada
12.4 km PM2.5: 11.5 µg/m³
114
Longueuil - secteur du parc Océanie (Brossard), Quebec, Canada
16.7 km PM2.5: 40.8 µg/m³
15
Longueuil - secteur du parc Océanie (Brossard), Quebec, Canada
16.7 km PM2.5: 3.6 µg/m³
27
Longueuil - secteur du parc Océanie (Brossard), Quebec, Canada
16.7 km PM2.5: 6.5 µg/m³

What cities are near Saint-Laurent?

24 Mont-Royal 28 Snowdon 28 Côte-Saint-Luc 23 Parc-Extension 22 Cartierville 24 Outremont 30 Notre-Dame-de-Grâce 30 Westmount 21 Mile End 19 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 2026-06-09T02:24 UTC.