Air Quality in Saint-Laurent, Canada

Cloudy
11.6°C · 75.8% humidity
11.6°
Feels 11.6°
30
Good
Air quality is satisfactory. Enjoy outdoor activities.
13 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
22 10pm
40
29
30 1am
11
4
4 4am
4
4
4 7am
4
4
4 10am
4
4
4 1pm
4
4
2 4pm
2
2
4 7pm
11
31
Station readings
22
40
29
38
CAMS model adj -23
54
54
54
54
34
27
27
27
27
27
27
27
27
27
27
27
27
27
25
25
25
27
34
54
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.

75.8%
Humidity
35.4 km/h
Wind SW
999.0 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
30
7.13 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Saint-Laurent?

Temperature & Precipitation

PM2.5 Trend

48h · 2 stations
PM2.57.13 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (13 stations within 25 km)
7.13
Median
6.74
Average
4.8
Low
9.0
High
PM2.5 µg/m³ · Model: 10.0 · Bias: +2.9

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?

42
Montréal, Ahuntsic Live Meteo Station
6.3 km 71.9°C 54.6% RH PM2.5: 10.0 µg/m³ PM10: 10.0 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
21
canada-montreal-rue-ida-steinberg
12.4 km PM2.5: 5.1 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
7
Laval, Quebec, Canada
12.4 km PM2.5: 1.7 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?

30 Mont-Royal 28 Snowdon 28 Côte-Saint-Luc 30 Parc-Extension 32 Cartierville 29 Outremont 26 Notre-Dame-de-Grâce 27 Westmount 29 Mile End 30 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 2026-06-09T05:36 UTC.