Air Quality in Sainte-Thérèse, Canada

Windy
11.7°C · 80.8% humidity
11.7°
Feels 11.7°
34
Good
Air quality is satisfactory. Enjoy outdoor activities.
9 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
12 5pm
12
9
34 8pm
35
31
28 11pm
26
24
23 2am
22
21
21 5am
21
21
20 8am
20
13
13 11am
13
13
13 2pm
11
11
Station readings
12
12
9
15
CAMS model adj -14
25
25
25
27
34
34
34
34
34
34
34
34
34
34
34
34
34
27
27
27
27
27
25
25
AD 728×90

Air Quality Index Trend

48h · 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.

80.8%
Humidity
53.6 km/h
Wind SW
997.7 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
34
8.22 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Sainte-Thérèse?

Temperature & Precipitation

PM2.5 Trend

48h · 2 stations
PM2.58.22 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (9 stations within 25 km)
8.22
Median
8.76
Average
2.67
Low
16.4
High
PM2.5 µg/m³ · Model: 10.0 · Bias: +1.8

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

06-09
25.8° 10.8°
1.37 mm
06-10
16.6° 10.3°
9.62 mm
06-11
22.8° 8.1°
06-12
19.4° 16.2°
9.19 mm
06-13
24.0° 16.8°
17.88 mm
06-14
24.0° 10.2°
3.31 mm
06-15
23.1° 15.4°
14.56 mm
Both models agree Avg diff: 7.5°C

Where are air quality stations near Sainte-Thérèse?

2
Laval, Quebec, Canada
9.7 km PM2.5: 0.5 µg/m³
124
Laval, Quebec, Canada
9.7 km PM2.5: 44.8 µg/m³
151
Laval, Quebec, Canada
9.7 km PM2.5: 55.5 µg/m³
25
Terrebonne - secteur du parc Vaillant, Quebec, Canada
14.9 km PM2.5: 6.0 µg/m³
51
Terrebonne - secteur du parc Vaillant, Quebec, Canada
14.9 km PM2.5: 12.1 µg/m³
56
Terrebonne - secteur du parc Vaillant, Quebec, Canada
14.9 km PM2.5: 14.5 µg/m³
–
Terrebonne - secteur du parc Vaillant, Quebec, Canada
14.9 km
12
Montréal, Ahuntsic Live Meteo Station
15.1 km 83.8°C 35.6% RH PM2.5: 3.0 µg/m³ PM10: 3.0 µg/m³
21
canada-montreal-rue-ida-steinberg
24.5 km PM2.5: 5.0 µg/m³
–
canada-montreal-rue-leclaire
25.0 km PM2.5: 0.0 µg/m³

What cities are near Sainte-Thérèse?

35 Boisbriand 34 Blainville 36 Saint-Louis-de-Terrebonne 32 Saint-Eustache 41 Val-des-Arbres 34 Deux-Montagnes 24 Laval 32 Chomedey 22 Laval-des-Rapides 41 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 2026-06-09T00:49 UTC.