Air Quality in Saint-Basile-le-Grand, Canada

Windy
18.6°C · 55.1% humidity
18.6°
Feels 18.6°
64
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
1 station

Nearby Monitoring Stations

AQI Forecast Calibrated
72 1am
72
72
64 4am
66
88
89 7am
90
63
64 10am
64
64
65 1pm
63
63
63 4pm
63
63
63 7pm
65
65
65 10pm
63
63
Station readings
72
66
62
CAMS model adj +38
34
34
34
34
34
54
54
54
27
27
27
27
27
25
25
25
25
25
25
27
27
27
25
25
AD 728×90

Air Quality Index Trend

47h · 1 stn

Saint-Basile-le-Grand'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-Basile-le-Grand is 1.2× the WHO 24-hour guideline of 15 µg/m³.

55.1%
Humidity
49.5 km/h
Wind WSW
1011.1 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 Saint-Basile-le-Grand?

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 Saint-Basile-le-Grand?

08-03
23.6° 16.0°
08-04
28.6° 15.0°
4.06 mm
08-05
28.4° 16.1°
0.94 mm
08-06
26.1° 18.9°
3.19 mm
08-07
25.8° 14.8°
3.0 mm
08-08
24.4° 16.3°
08-09
31.6° 17.7°
0.62 mm
Both models agree Avg diff: 3.6°C

Where are air quality stations near Saint-Basile-le-Grand?

26
Vallée-du-Richelieu, Quebec, Canada
9.5 km PM2.5: 6.2 µg/m³
28
Vallée-du-Richelieu, Quebec, Canada
9.5 km PM2.5: 6.7 µg/m³
21
Vallée-du-Richelieu, Quebec, Canada
9.5 km PM2.5: 5.0 µg/m³
28
Vallée-du-Richelieu, Quebec, Canada
9.5 km PM2.5: 6.7 µg/m³
29
Vallée-du-Richelieu, Quebec, Canada
9.5 km PM2.5: 7.0 µg/m³
12
Vallée-du-Richelieu, Quebec, Canada
9.5 km PM2.5: 2.9 µg/m³
28
Vallée-du-Richelieu, Quebec, Canada
9.5 km PM2.5: 6.7 µg/m³
26
Vallée-du-Richelieu, Quebec, Canada
9.5 km PM2.5: 6.2 µg/m³
65
Longueuil - secteur du parc Océanie (Brossard), Quebec, Canada
17.7 km PM2.5: 18.8 µg/m³
43
Brossard - secteur du parc Sorbonne, Quebec, Canada
18.1 km PM2.5: 10.3 µg/m³

What cities are near Saint-Basile-le-Grand?

64 Saint-Bruno-de-Montarville 64 Sainte-Julie 31 Beloeil 31 Mont-Saint-Hilaire 55 Chambly 61 Saint-Hubert 63 Boucherville 63 Longueuil 62 Laflèche 61 Greenfield Park
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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 2026-08-08T08:26 UTC.