Air Quality in Saint-Louis-de-Terrebonne, Canada
Windy
19.3°C · 51.5% humidity
19.3°
Feels 19.3°
59
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
1 station
Nearby Monitoring Stations
AQI Forecast
Calibrated
58
5pm
60
67
59
8pm
62
64
65
11pm
66
67
68
2am
68
68
69
5am
69
69
69
8am
62
62
62
11am
62
60
60
2pm
60
60
Station readings
58
60
67
CAMS model
adj +35
25
25
27
34
34
34
34
34
34
34
34
34
34
34
34
34
27
27
27
27
25
25
25
25
Air Quality Index Trend
47h · 2 stnSaint-Louis-de-Terrebonne'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-Louis-de-Terrebonne is 1.1× the WHO 24-hour guideline of 15 µg/m³.
51.5%
Humidity
61.7 km/h
Wind WSW
1010.6 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
16.0 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Saint-Louis-de-Terrebonne?
Temperature & Precipitation
PM2.5 Trend
47h · 2 stationsPM2.516.0 µg/m³
×1.1 WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX2.2
Moderate
Station readings (1 station within 25 km)
16.0
Median
16.0
Average
16.0
Low
16.0
High
PM2.5 µg/m³ · Model: 6.25 · Bias: -9.8
What is the 7-day forecast for Saint-Louis-de-Terrebonne?
08-03
23.1° 14.9°
08-04
29.1° 15.6°
3.31 mm
08-05
25.6° 15.0°
1.44 mm
08-06
25.5° 17.2°
1.75 mm
08-07
20.9° 14.6°
1.25 mm
08-08
24.3° 15.3°
0.13 mm
08-09
30.9° 18.2°
0.94 mm
Both models agree
Avg diff: 4.5°C
Where are air quality stations near Saint-Louis-de-Terrebonne?
37
Terrebonne - secteur du parc Vaillant, Quebec, Canada
26
Terrebonne - secteur du parc Vaillant, Quebec, Canada
51
Terrebonne - secteur du parc Vaillant, Quebec, Canada
32
Terrebonne - secteur du parc Vaillant, Quebec, Canada
27
Terrebonne - secteur du parc Vaillant, Quebec, Canada
42
Terrebonne - secteur du parc Vaillant, Quebec, Canada
32
Terrebonne - secteur du parc Vaillant, Quebec, Canada
27
Terrebonne - secteur du parc Vaillant, Quebec, Canada
68
Terrebonne - secteur du parc Vaillant, Quebec, Canada
46
Laval, Quebec, Canada
What cities are near Saint-Louis-de-Terrebonne?
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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 2026-08-08T00:43 UTC.