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
70 5pm
70
70
82 8pm
79
77
76 11pm
75
74
73 2am
80
80
79 5am
79
79
79 8am
70
70
70 11am
69
69
69 2pm
69
69
Station readings
59
55
64
CAMS model adj +45
25
25
25
27
27
27
27
27
27
27
34
34
34
34
34
34
25
25
25
24
24
24
24
24
AD 728×90

Air Quality Index Trend

47h · 1 stn

Saint-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▲
82
26.7 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Saint-Lazare?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station
PM2.526.7 µg/m³ ×1.8 WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX2.2
Moderate
AD 300×250
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?

64
Hudson
6.1 km PM2.5: 18.1 µg/m³ PM10: 18.1 µg/m³
26
Sainte-Anne-de-Bellevue, Montreal, Canada
16.2 km PM2.5: 6.2 µg/m³
32
Sainte-Anne-de-Bellevue, Montreal, Canada
16.2 km PM2.5: 7.7 µg/m³
41
Sainte-Anne-de-Bellevue, Montreal, Canada
16.2 km PM2.5: 9.8 µg/m³
24
Sainte-Anne-de-Bellevue, Montreal, Canada
16.2 km PM2.5: 5.8 µg/m³
17
Sainte-Anne-de-Bellevue, Montreal, Canada
16.2 km PM2.5: 4.1 µg/m³
18
Sainte-Anne-de-Bellevue, Montreal, Canada
16.2 km PM2.5: 4.3 µg/m³
37
Sainte-Anne-de-Bellevue, Montreal, Canada
16.2 km PM2.5: 8.9 µg/m³

What cities are near Saint-Lazare?

82 Vaudreuil-Dorion 82 Les Coteaux 82 Salaberry-de-Valleyfield 70 Pierrefonds 69 Beaconsfield 69 L'Île-Bizard–Sainte-Geneviève 68 Kirkland 68 Deux-Montagnes 59 Pointe-Claire 60 Pierrefonds-Roxboro
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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 2026-08-08T00:42 UTC.