Air Quality in Sainte-Julie, Canada

Windy
19.0°C · 52.2% humidity
19.0°
Feels 19.0°
64
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
1 station

Nearby Monitoring Stations

AQI Forecast Calibrated
73 12am
73
73
64 3am
67
68
90 6am
91
91
65 9am
65
65
66 12pm
66
64
64 3pm
64
64
64 6pm
64
66
66 9pm
66
64
Station readings
77
72
66
CAMS model adj +39
34
34
34
34
34
34
54
54
54
27
27
27
27
27
25
25
25
25
25
25
27
27
27
25
AD 728×90

Air Quality Index Trend

47h · 1 stn

Sainte-Julie'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 Sainte-Julie is 1.2× the WHO 24-hour guideline of 15 µg/m³.

52.2%
Humidity
49.0 km/h
Wind W
1010.7 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
64
18.18 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Sainte-Julie?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station
PM2.518.18 µg/m³ ×1.2 WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX2.2
Moderate
AD 300×250
Station readings (1 station within 25 km)
18.18
Median
18.18
Average
18.18
Low
18.18
High
PM2.5 µg/m³ · Model: 7.35 · Bias: -10.8

What is the 7-day forecast for Sainte-Julie?

08-03
23.9° 15.4°
08-04
29.2° 16.7°
2.12 mm
08-05
26.6° 15.4°
2.81 mm
08-06
26.0° 19.1°
1.63 mm
08-07
22.1° 14.6°
1.31 mm
08-08
24.6° 16.0°
0.06 mm
08-09
31.0° 18.4°
0.44 mm
Both models agree Avg diff: 3.7°C

Where are air quality stations near Sainte-Julie?

12
Vallée-du-Richelieu, Quebec, Canada
10.4 km PM2.5: 2.9 µg/m³
28
Vallée-du-Richelieu, Quebec, Canada
10.4 km PM2.5: 6.7 µg/m³
29
Vallée-du-Richelieu, Quebec, Canada
10.4 km PM2.5: 7.0 µg/m³
26
Vallée-du-Richelieu, Quebec, Canada
10.4 km PM2.5: 6.2 µg/m³
28
Vallée-du-Richelieu, Quebec, Canada
10.4 km PM2.5: 6.7 µg/m³
28
Vallée-du-Richelieu, Quebec, Canada
10.4 km PM2.5: 6.7 µg/m³
31
Vallée-du-Richelieu, Quebec, Canada
10.4 km PM2.5: 7.4 µg/m³
21
Vallée-du-Richelieu, Quebec, Canada
10.4 km PM2.5: 5.0 µg/m³
28
Vallée-du-Richelieu, Quebec, Canada
10.4 km PM2.5: 6.7 µg/m³
28
Vallée-du-Richelieu, Quebec, Canada
10.4 km PM2.5: 6.7 µg/m³

What cities are near Sainte-Julie?

64 Saint-Bruno-de-Montarville 64 Saint-Basile-le-Grand 63 Boucherville 31 Beloeil 61 Saint-Hubert 31 Mont-Saint-Hilaire 63 Longueuil 62 Varennes 62 Laflèche 64 Le Vieux-Longueuil
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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 2026-08-08T07:06 UTC.