Air Quality in Saint-Léonard, Canada

Windy
15.2°C · 82.7% humidity
15.2°
Feels 15.2°
39
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
28 1pm
26
31
35 4pm
29
16
16 7pm
16
16
16 10pm
16
16
16 1am
29
16
16 4am
16
16
16 7am
16
16
16 10am
16
29
Station readings
28
26
31
35
CAMS model adj -21
50
50
50
50
50
37
37
37
37
37
37
37
37
50
37
37
37
37
37
37
37
37
37
50
AD 728×90

PM2.5 Trend (24h)

24h · 4 stations
82.7%
Humidity
131.5 km/h
Wind SW
1021.6 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Saint-Léonard?

Temperature & Precipitation

PM2.59.27 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (2 stations within 25 km)
9.27
Median
9.27
Average
7.21
Low
11.33
High
PM2.5 µg/m³ · Model: 10.4 · Bias: +1.1

What is the 7-day forecast for Saint-Léonard?

04-09
15.2° -0.5°
04-10
18.5° 6.1°
04-11
15.0° 7.3°
5.31 mm
04-12
9.5° 2.4°
04-13
11.0° 5.7°
20.63 mm
04-14
16.8° 13.4°
5.12 mm
04-15
17.1° 8.9°
9.62 mm
Both models agree Avg diff: 3.7°C

Where are air quality stations near Saint-Léonard?

32
canada-montreal-rue-ida-steinberg
5.7 km PM2.5: 7.8 µg/m³
–
canada-montreal-rue-leclaire
6.2 km PM2.5: 0.0 µg/m³
50
Montréal, Ahuntsic Live Meteo Station
6.9 km 53.3°C 41.6% RH PM2.5: 12.0 µg/m³ PM10: 12.0 µg/m³
33
Laval, Quebec, Canada
9.4 km
23
Laval, Quebec, Canada
9.4 km
25
Laval, Quebec, Canada
9.4 km
–
canada-montreal-18e-avenue
9.7 km PM2.5: 0.0 µg/m³
44
Terrebonne - secteur du parc Vaillant, Quebec, Canada
13.9 km
26
Terrebonne - secteur du parc Vaillant, Quebec, Canada
13.9 km
39
Terrebonne - secteur du parc Vaillant, Quebec, Canada
13.9 km

What cities are near Saint-Léonard?

39 Saint-Michel 39 Montréal-Nord 39 Villeray–Saint-Michel–Parc-Extension 39 Mercier–Hochelaga-Maisonneuve 39 Saint-Vincent-de-Paul 39 Duvernay 39 Rosemont–La Petite-Patrie 39 Rivière-des-Prairies–Pointe-aux-Trembles 39 Ahuntsic-Cartierville 39 Val-des-Arbres

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T16:57 UTC.