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
PM2.5
82
26.7 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

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
26.7
Median
26.7
Average
26.7
Low
26.7
High
PM2.5 µg/m³ · Model: 6.25 · Bias: -20.5
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
Get AQI alerts for Saint-Lazare

Notify me when air quality reaches:

Free · No account · Unsubscribe any time

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.