Air Quality in Pierrefonds, Canada

Windy
26.0°C · 50.4% humidity
26.0°
Feels 26.0°
91
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
2 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
88 10am
96
87
91 1pm
85
81
78 4pm
76
75
74 7pm
73
72
70 10pm
70
70
69 1am
69
68
68 4am
68
68
68 7am
68
68
Station readings
88
96
87
CAMS model adj +44
27
27
27
27
27
27
27
27
27
27
27
27
25
25
25
25
25
24
24
24
24
24
24
24
AD 728×90

Air Quality Index Trend

47h · 2 stn

Pierrefonds'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 Pierrefonds is 2.1× the WHO 24-hour guideline of 15 µg/m³.

50.4%
Humidity
45.0 km/h
Wind ENE
1015.3 hPa
Pressure
12.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
91
30.86 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Pierrefonds?

Temperature & Precipitation

PM2.5 Trend

47h · 2 stations
PM2.530.86 µg/m³ ×2.1 WHO
Moderate
PM1020.55 µg/m³
Good
UV INDEX12.9
Extreme
AD 300×250
Station readings (2 stations within 25 km)
30.86
Median
30.96
Average
28.33
Low
33.59
High
PM2.5 µg/m³ · Model: 10.0 · Bias: -20.9

What is the 7-day forecast for Pierrefonds?

07-21
26.0° 20.5°
07-22
24.8° 16.9°
07-23
18.7° 13.4°
5.69 mm
07-24
23.1° 12.9°
2.12 mm
07-25
19.5° 16.9°
12.25 mm
07-26
22.3° 15.6°
8.25 mm
07-27
26.2° 17.7°
1.13 mm
Both models agree Avg diff: 2.6°C

Where are air quality stations near Pierrefonds?

76
Montréal, Ahuntsic Live Meteo Station
20.3 km 84.0°C 52.8% RH PM2.5: 24.0 µg/m³ PM10: 24.0 µg/m³
99
Hudson
21.1 km PM2.5: 34.8 µg/m³ PM10: 40.1 µg/m³
34
Laval, Quebec, Canada
21.5 km PM2.5: 8.2 µg/m³
15
Laval, Quebec, Canada
21.5 km PM2.5: 3.6 µg/m³
35
Laval, Quebec, Canada
21.5 km PM2.5: 8.4 µg/m³

What cities are near Pierrefonds?

90 Kirkland 90 Beaconsfield 90 L'Île-Bizard–Sainte-Geneviève 85 Pointe-Claire 81 Pierrefonds-Roxboro 81 Dollard-Des Ormeaux 89 Deux-Montagnes 80 Dorval 89 Saint-Eustache 96 Vaudreuil-Dorion
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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.