Air Quality in Saint-Henri, Canada

Clear
26.5°C · 43.8% humidity
26.5°
Feels 26.5°
59
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
5 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
81 1pm
85
72
59 4pm
65
69
72 7pm
74
69
70 10pm
71
70
70 1am
70
70
70 4am
70
70
70 7am
70
70
70 10am
70
71
Station readings
81
85
72
CAMS model adj +46
34
34
34
34
34
34
34
34
27
27
27
25
25
25
25
24
24
24
24
24
24
24
24
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. Current PM2.5 concentration in Saint-Henri is 1.1× the WHO 24-hour guideline of 15 µg/m³.

43.8%
Humidity
37.8 km/h
Wind ENE
1015.4 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
59
15.75 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
PM2.515.75 µg/m³ ×1.1 WHO
Moderate
PM1027.45 µg/m³
Good
UV INDEX2.9
Moderate
AD 300×250
Station readings (5 stations within 25 km)
15.75
Median
18.57
Average
11.8
Low
26.33
High
PM2.5 µg/m³ · Model: 13.7 · Bias: -2.0

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
76
Montréal, Ahuntsic Live Meteo Station
11.4 km 82.3°C 60.2% RH PM2.5: 24.0 µg/m³ PM10: 24.0 µg/m³

What cities are near Saint-Henri?

58 Le Sud-Ouest 59 Notre-Dame-de-Grâce 58 Westmount 60 Ville-Émard 58 Verdun 59 Desmarchais-Crawford 61 Snowdon 59 Ile-des-Soeurs 52 Ville-Marie 55 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 2026-07-21T20:30 UTC.