Air Quality in Saint-Lazare, Canada

Drizzle
15.3°C · 89.2% humidity
15.3°
Feels 15.3°
23
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
19 6am
19
19
23 9am
19
19
19 12pm
19
19
19 3pm
19
19
19 6pm
19
19
19 9pm
19
19
19 12am
19
19
19 3am
20
20
Station readings
28
21
23
CAMS model adj -5
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
25
25
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.

89.2%
Humidity
50.8 km/h
Wind NE
1009.8 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
23
5.39 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

47h · 1 station
PM2.55.39 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX4.4
Moderate
AD 300×250
5.39
Median
4.41
Average
3.1
Low
5.72
High
PM2.5 µg/m³ · Model: 5.8 · Bias: +0.4
09-05
24.3° 14.8°
3.62 mm
09-06
22.9° 13.3°
13.88 mm
09-07
19.2° 13.8°
09-08
20.4° 11.3°
8.19 mm
09-09
23.5° 10.8°
0.31 mm
09-10
19.5° 11.1°
16.19 mm
09-11
25.3° 10.6°
0.19 mm
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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 2026-09-05T13:05 UTC.