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
71 12am
75
70
59 3am
62
64
66 6am
67
68
62 9am
62
62
62 12pm
61
61
61 3pm
61
61
61 6pm
61
61
63 9pm
63
61
Station readings
71
75
70
CAMS model adj +36
34
34
34
34
34
34
34
34
34
27
27
27
27
25
25
25
25
25
25
25
25
27
27
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
PM2.5
59
16.0 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

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
16.0
Median
16.0
Average
16.0
Low
16.0
High
PM2.5 µg/m³ · Model: 6.25 · Bias: -9.8
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
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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 2026-08-08T07:07 UTC.