Air Quality in Saint-Lazare, Canada
Windy
18.7°C · 57.7% humidity
18.7°
Feels 18.7°
82
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
1 station
Nearby Monitoring Stations
AQI Forecast
Calibrated
66
6pm
66
68
82
9pm
78
75
73
12am
72
71
77
3am
76
76
76
6am
75
75
66
9am
66
66
65
12pm
65
65
65
3pm
65
65
Station readings
55
64
57
CAMS model
adj +41
25
25
27
27
27
27
27
27
27
34
34
34
34
34
34
25
25
25
24
24
24
24
24
24
Air Quality Index Trend
47h · 1 stnSaint-Lazare's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration. Current PM2.5 concentration in Saint-Lazare is 1.8× the WHO 24-hour guideline of 15 µg/m³.
57.7%
Humidity
76.1 km/h
Wind WSW
1011.5 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
26.7 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Saint-Lazare?
Temperature & Precipitation
PM2.5 Trend
47h · 1 stationPM2.526.7 µg/m³
×1.8 WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX2.2
Moderate
Station readings (1 station within 25 km)
26.7
Median
26.7
Average
26.7
Low
26.7
High
PM2.5 µg/m³ · Model: 6.25 · Bias: -20.5
What is the 7-day forecast for Saint-Lazare?
08-03
22.6° 14.8°
0.06 mm
08-04
25.6° 14.4°
5.44 mm
08-05
25.7° 13.4°
0.81 mm
08-06
24.7° 17.8°
2.87 mm
08-07
21.9° 14.0°
0.13 mm
08-08
23.6° 14.7°
08-09
30.2° 18.4°
1.25 mm
Both models agree
Avg diff: 4.7°C
Where are air quality stations near Saint-Lazare?
57
Hudson
37
Sainte-Anne-de-Bellevue, Montreal, Canada
41
Sainte-Anne-de-Bellevue, Montreal, Canada
32
Sainte-Anne-de-Bellevue, Montreal, Canada
17
Sainte-Anne-de-Bellevue, Montreal, Canada
18
Sainte-Anne-de-Bellevue, Montreal, Canada
37
Sainte-Anne-de-Bellevue, Montreal, Canada
What cities are near Saint-Lazare?
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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 2026-08-08T01:32 UTC.