Air Quality in Saint-Jérôme, Canada

Windy
25.2°C · 52.3% humidity
25.2°
Feels 25.2°
54
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Calibrated model

Nearby Monitoring Stations

AQI Forecast
27 10am
27
27
54 1pm
46
41
37 4pm
34
32
31 7pm
30
29
26 10pm
26
26
25 1am
25
24
24 4am
24
24
24 7am
24
24
AD 728×90

Air Quality Index Trend

48h · 3 stn

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

52.3%
Humidity
47.6 km/h
Wind E
1015.9 hPa
Pressure
12.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
54
13.43 µg/m³
PM10
53
59.3 µg/m³
050100150200300500

What is the weather forecast for Saint-Jérôme?

Temperature & Precipitation

PM2.5 Trend

48h · 3 stations
PM2.513.43 µg/m³ ✓ WHO
Moderate
PM1059.3 µg/m³
Moderate
UV INDEX12.9
Extreme
AD 300×250

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

07-21
25.2° 19.2°
07-22
23.8° 16.7°
07-23
18.3° 13.1°
4.37 mm
07-24
24.3° 13.0°
1.0 mm
07-25
20.8° 15.6°
13.38 mm
07-26
21.3° 15.6°
8.56 mm
07-27
26.5° 16.5°
2.25 mm
Both models agree Avg diff: 2.2°C

Where are air quality stations near Saint-Jérôme?

34
Laval, Quebec, Canada
29.7 km PM2.5: 8.2 µg/m³
15
Laval, Quebec, Canada
29.7 km PM2.5: 3.6 µg/m³
35
Laval, Quebec, Canada
29.7 km PM2.5: 8.4 µg/m³

What cities are near Saint-Jérôme?

96 Mirabel 85 Blainville 85 Saint-Louis-de-Terrebonne 52 Saint-Lin-Laurentides 81 Sainte-Thérèse 81 Boisbriand 89 Saint-Eustache 89 Deux-Montagnes 78 Terrebonne 77 Mascouche
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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 2026-07-21T17:20 UTC.