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
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.
75.8%
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▲
7.13 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Saint-Laurent?
Temperature & Precipitation
PM2.5 Trend
48h · 2 stationsPM2.57.13 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
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
56
Montreal
–
canada-montreal-rue-leclaire
21
canada-montreal-rue-ida-steinberg
124
Laval, Quebec, Canada
2
Laval, Quebec, Canada
7
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 2026-06-09T05:36 UTC.