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
Air Quality Index Trend
48h · 2 stnSaint-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▲
6.23 µg/m³
PM10
27.4 µg/m³
050100150200300500
What is the weather forecast for Saint-Laurent?
Temperature & Precipitation
PM2.5 Trend
48h · 2 stationsPM2.56.23 µg/m³
✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX0.7
Low
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
56
Montreal
–
canada-montreal-rue-leclaire
42
canada-montreal-rue-ida-steinberg
124
Laval, Quebec, Canada
2
Laval, Quebec, Canada
48
Laval, Quebec, Canada
114
Longueuil - secteur du parc Océanie (Brossard), Quebec, Canada
15
Longueuil - secteur du parc Océanie (Brossard), Quebec, Canada
27
Longueuil - secteur du parc Océanie (Brossard), Quebec, Canada
What cities are near Saint-Laurent?
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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.