Air Quality in Sainte-Thérèse, Canada

Windy
15.5°C · 79.7% humidity
15.5°
Feels 15.5°
16
Good
Air quality is satisfactory. Enjoy outdoor activities.
8 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
10 5am
12
31
16 8am
18
18
18 11am
18
18
18 2pm
18
18
18 5pm
18
18
18 8pm
18
18
18 11pm
18
18
18 2am
18
19
Station readings
10
12
31
CAMS model adj -6
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
25
AD 728×90

Air Quality Index Trend

47h · 2 stn

Sainte-Thérèse's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

79.7%
Humidity
43.0 km/h
Wind NNE
1010.1 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
16
3.92 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Sainte-Thérèse?

Temperature & Precipitation

PM2.5 Trend

47h · 2 stations
PM2.53.92 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (8 stations within 25 km)
3.92
Median
3.81
Average
3.1
Low
4.94
High
PM2.5 µg/m³ · Model: 5.8 · Bias: +1.9

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

09-05
24.6° 13.8°
2.63 mm
09-06
23.3° 12.8°
13.56 mm
09-07
19.6° 12.3°
09-08
18.1° 12.1°
8.0 mm
09-09
23.9° 10.6°
0.31 mm
09-10
20.8° 11.5°
19.13 mm
09-11
26.1° 10.7°
0.13 mm
Both models agree Avg diff: 4.6°C

Where are air quality stations near Sainte-Thérèse?

25
Laval, Quebec, Canada
9.7 km PM2.5: 6.0 µg/m³
33
Laval, Quebec, Canada
9.7 km PM2.5: 7.9 µg/m³
17
Laval, Quebec, Canada
9.7 km PM2.5: 4.1 µg/m³
18
Laval, Quebec, Canada
9.7 km PM2.5: 4.3 µg/m³
18
Terrebonne - secteur du parc Vaillant, Quebec, Canada
14.9 km PM2.5: 4.3 µg/m³
19
Terrebonne - secteur du parc Vaillant, Quebec, Canada
14.9 km PM2.5: 4.6 µg/m³
25
Terrebonne - secteur du parc Vaillant, Quebec, Canada
14.9 km PM2.5: 6.0 µg/m³
24
Terrebonne - secteur du parc Vaillant, Quebec, Canada
14.9 km PM2.5: 5.8 µg/m³
17
Terrebonne - secteur du parc Vaillant, Quebec, Canada
14.9 km PM2.5: 4.1 µg/m³
17
Terrebonne - secteur du parc Vaillant, Quebec, Canada
14.9 km PM2.5: 4.1 µg/m³

What cities are near Sainte-Thérèse?

16 Boisbriand 16 Blainville 16 Saint-Louis-de-Terrebonne 16 Saint-Eustache 16 Val-des-Arbres 16 Deux-Montagnes 16 Laval 16 Chomedey 16 Laval-des-Rapides 15 Duvernay
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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 2026-09-05T12:12 UTC.