Air Quality in Laval, Canada

Clear
27.5°C · 39.2% humidity
27.5°
Feels 27.5°
85
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
2 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
82 10am
96
76
85 1pm
81
78
76 4pm
74
73
72 7pm
71
64
64 10pm
64
61
61 1am
61
61
60 4am
60
60
60 7am
60
60
Station readings
82
96
76
CAMS model adj +36
27
27
34
34
34
34
34
34
34
34
34
27
27
27
25
25
25
25
24
24
24
24
24
24
AD 728×90

Air Quality Index Trend

47h · 2 stn

Laval'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 Laval is 1.9× the WHO 24-hour guideline of 15 µg/m³.

39.2%
Humidity
37.1 km/h
Wind ENE
1015.1 hPa
Pressure
14.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
85
28.12 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Laval?

Temperature & Precipitation

PM2.5 Trend

47h · 2 stations
PM2.528.12 µg/m³ ×1.9 WHO
Moderate
PM1020.55 µg/m³
Good
UV INDEX14.9
Extreme
AD 300×250
Station readings (2 stations within 25 km)
28.12
Median
24.52
Average
20.7
Low
28.33
High
PM2.5 µg/m³ · Model: 13.7 · Bias: -14.4

What is the 7-day forecast for Laval?

07-21
27.5° 21.6°
07-22
25.9° 19.0°
07-23
20.0° 13.6°
5.87 mm
07-24
23.1° 15.4°
0.94 mm
07-25
20.5° 19.1°
12.75 mm
07-26
23.2° 16.0°
9.19 mm
07-27
27.2° 18.4°
1.19 mm
Both models agree Avg diff: 2.7°C

Where are air quality stations near Laval?

76
Montréal, Ahuntsic Live Meteo Station
2.1 km 84.0°C 52.8% RH PM2.5: 24.0 µg/m³ PM10: 24.0 µg/m³
35
Laval, Quebec, Canada
4.4 km PM2.5: 8.4 µg/m³
15
Laval, Quebec, Canada
4.4 km PM2.5: 3.6 µg/m³
34
Laval, Quebec, Canada
4.4 km PM2.5: 8.2 µg/m³
80
canada-montreal-rue-ida-steinberg
12.4 km PM2.5: 25.9 µg/m³
–
canada-montreal-rue-leclaire
12.7 km PM2.5: 0.0 µg/m³
25
Montreal
12.7 km PM2.5: 6.0 µg/m³
40
Montreal
12.7 km PM2.5: 9.6 µg/m³
40
Montreal
12.7 km PM2.5: 9.6 µg/m³
53
Montreal
12.7 km PM2.5: 13.1 µg/m³

What cities are near Laval?

85 Laval-des-Rapides 85 Ahuntsic-Cartierville 84 Duvernay 83 Val-des-Arbres 84 Cartierville 81 Saint-Michel 80 Montréal-Nord 83 Chomedey 81 Saint-Vincent-de-Paul 82 Parc-Extension
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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 2026-07-21T17:17 UTC.