Air Quality in Saint-Henri, Canada

Partly Cloudy
22.6°C · 63.3% humidity
22.6°
Feels 22.6°
46
Good
Air quality is satisfactory. Enjoy outdoor activities.
10 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
72 3pm
68
80
46 6pm
55
61
59 9pm
62
64
64 12am
65
66
66 3am
66
66
66 6am
67
67
67 9am
67
67
68 12pm
68
68
Station readings
72
68
80
CAMS model adj +43
34
34
34
34
34
34
27
27
27
25
25
25
25
24
24
24
24
24
24
24
24
25
25
25
AD 728×90

Air Quality Index Trend

47h · 3 stn

Saint-Henri's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

63.3%
Humidity
14.2 km/h
Wind NE
1014.2 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
46
10.96 µg/m³
PM10
25
27.45 µg/m³
050100150200300500

What is the weather forecast for Saint-Henri?

Temperature & Precipitation

PM2.5 Trend

47h · 3 stations
PM2.510.96 µg/m³ ✓ WHO
Good
PM1027.45 µg/m³
Good
UV INDEX2.2
Moderate
AD 300×250
Station readings (10 stations within 25 km)
10.96
Median
13.41
Average
9.8
Low
24.13
High
PM2.5 µg/m³ · Model: 13.7 · Bias: +2.7

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

07-21
26.5° 20.8°
07-22
25.3° 18.2°
0.19 mm
07-23
20.5° 13.5°
5.75 mm
07-24
23.6° 14.5°
1.13 mm
07-25
20.5° 18.6°
12.81 mm
07-26
22.8° 16.0°
7.56 mm
07-27
27.8° 18.4°
0.88 mm
Both models agree Avg diff: 2.7°C

Where are air quality stations near Saint-Henri?

40
Montreal
5.8 km PM2.5: 9.6 µg/m³
53
Montreal
5.8 km PM2.5: 13.1 µg/m³
25
Montreal
5.8 km PM2.5: 6.0 µg/m³
40
Montreal
5.8 km PM2.5: 9.6 µg/m³
25
Longueuil - secteur du parc Océanie (Brossard), Quebec, Canada
10.7 km PM2.5: 6.0 µg/m³
24
Longueuil - secteur du parc Océanie (Brossard), Quebec, Canada
10.7 km PM2.5: 5.8 µg/m³
193
Longueuil - secteur du parc Océanie (Brossard), Quebec, Canada
10.7 km PM2.5: 136.8 µg/m³
132
Longueuil - secteur du parc Océanie (Brossard), Quebec, Canada
10.7 km PM2.5: 48.1 µg/m³
–
canada-montreal-rue-leclaire
11.2 km PM2.5: 0.0 µg/m³
78
Montréal, Ahuntsic Live Meteo Station
11.4 km 80.7°C 62.8% RH PM2.5: 25.0 µg/m³ PM10: 26.0 µg/m³

What cities are near Saint-Henri?

45 Le Sud-Ouest 49 Notre-Dame-de-Grâce 48 Westmount 47 Ville-Émard 45 Verdun 46 Desmarchais-Crawford 52 Snowdon 48 Ile-des-Soeurs 47 Ville-Marie 50 Montréal
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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 2026-07-21T22:03 UTC.