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
AD 728×90

Air Quality Index Trend

47h · 2 stn

Saint-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▲
59
16.0 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Saint-Louis-de-Terrebonne?

Temperature & Precipitation

PM2.5 Trend

47h · 2 stations
PM2.516.0 µg/m³ ×1.1 WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX2.2
Moderate
AD 300×250
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
9.8 km PM2.5: 8.9 µg/m³
26
Terrebonne - secteur du parc Vaillant, Quebec, Canada
9.8 km PM2.5: 6.2 µg/m³
51
Terrebonne - secteur du parc Vaillant, Quebec, Canada
9.8 km PM2.5: 12.1 µg/m³
32
Terrebonne - secteur du parc Vaillant, Quebec, Canada
9.8 km PM2.5: 7.7 µg/m³
27
Terrebonne - secteur du parc Vaillant, Quebec, Canada
9.8 km PM2.5: 6.5 µg/m³
42
Terrebonne - secteur du parc Vaillant, Quebec, Canada
9.8 km PM2.5: 10.1 µg/m³
32
Terrebonne - secteur du parc Vaillant, Quebec, Canada
9.8 km PM2.5: 7.7 µg/m³
27
Terrebonne - secteur du parc Vaillant, Quebec, Canada
9.8 km PM2.5: 6.5 µg/m³
68
Terrebonne - secteur du parc Vaillant, Quebec, Canada
9.8 km PM2.5: 20.2 µg/m³
46
Laval, Quebec, Canada
12.1 km PM2.5: 11.0 µg/m³

What cities are near Saint-Louis-de-Terrebonne?

60 Sainte-Thérèse 59 Blainville 60 Boisbriand 61 Terrebonne 60 Saint-Vincent-de-Paul 60 Val-des-Arbres 62 Mascouche 60 Duvernay 59 Laval 61 Montréal-Nord
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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.