What is the air quality in Sainte-Thérèse today?

The current Air Quality Index (AQI) in Sainte-Thérèse is 19 (Good). PM2.5 concentration is 4.61 µg/m³.

What is the temperature in Sainte-Thérèse right now?

The current temperature in Sainte-Thérèse is 1.8°C (feels like -4.9°C). Humidity is 49.3% and wind speed is 39.2 km/h.

Is it safe to go outside in Sainte-Thérèse?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Sainte-Thérèse, Canada

Clear

1.8°C · 49.3% humidity

1.8°

Feels -4.9°

Good

Air quality is satisfactory. Enjoy outdoor activities.

10 stations

Nearby Monitoring Stations

AQI Forecast

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Station readings

Air Quality Index Trend

46h · 2 stn

View full history →

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.

49.3%

Humidity

39.2 km/h

Wind W

1029.8 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5

4.61 µg/m³

PM10▲

41.2 µg/m³

050100150200300500

What is the weather forecast for Sainte-Thérèse?

Temperature & Precipitation

PM2.5 Trend

46h · 2 stations

PM2.54.61 µg/m³ ✓ WHO

Good

PM1041.2 µg/m³

Good

UV INDEX0.0

Low

Station readings (10 stations within 25 km)

4.61

Median

4.8

Average

3.4

Low

6.2

High

PM2.5 µg/m³ · Model: 13.5 · Bias: +8.9

Both models agree Avg diff: 4.4°C

Where are air quality stations near Sainte-Thérèse?

Laval, Quebec, Canada

9.7 km PM2.5: 6.5 µg/m³

Laval, Quebec, Canada

9.7 km PM2.5: 2.4 µg/m³

Laval, Quebec, Canada

9.7 km PM2.5: 4.3 µg/m³

Laval, Quebec, Canada

9.7 km PM2.5: 4.8 µg/m³

Terrebonne - secteur du parc Vaillant, Quebec, Canada

14.9 km PM2.5: 3.4 µg/m³

Terrebonne - secteur du parc Vaillant, Quebec, Canada

14.9 km PM2.5: 4.8 µg/m³

Terrebonne - secteur du parc Vaillant, Quebec, Canada

14.9 km PM2.5: 3.4 µg/m³

Montréal, Ahuntsic Live Meteo Station

15.1 km 57.7°C 52.4% RH PM2.5: 7.0 µg/m³ PM10: 13.0 µg/m³

Caserne 17, Montreal, Canada

15.7 km PM2.5: 4.8 µg/m³

Caserne 17, Montreal, Canada

15.7 km PM2.5: 4.8 µg/m³

What cities are near Sainte-Thérèse?

20 Boisbriand 18 Blainville 18 Saint-Louis-de-Terrebonne 19 Saint-Eustache 19 Val-des-Arbres 20 Deux-Montagnes 19 Laval 19 Chomedey 19 Laval-des-Rapides 18 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 2026-10-21T00:35 UTC.