Air Quality in L'Assomption, Canada

Windy
25.2°C · 56.3% humidity
25.2°
Feels 25.2°
42
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast

Nearby Monitoring Stations

AQI Forecast
25 10am
27
27
42 1pm
45
42
33 4pm
31
37
36 7pm
28
28
28 10pm
28
25
25 1am
25
25
24 4am
24
24
24 7am
24
24
AD 728×90

Air Quality Index Trend

48h · 2 stn

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

56.3%
Humidity
42.6 km/h
Wind NE
1015.9 hPa
Pressure
12.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
42
10.0 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for L'Assomption?

Temperature & Precipitation

PM2.5 Trend

48h · 2 stations
PM2.510.0 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX12.9
Extreme
AD 300×250

What is the 7-day forecast for L'Assomption?

07-21
25.2° 20.8°
07-22
23.9° 16.9°
07-23
18.7° 13.5°
6.13 mm
07-24
23.2° 12.5°
0.69 mm
07-25
21.1° 17.8°
10.19 mm
07-26
22.6° 16.2°
9.44 mm
07-27
26.9° 16.7°
1.81 mm
Both models agree Avg diff: 2.3°C

Where are air quality stations near L'Assomption?

–
canada-montreal-18e-avenue
20.4 km PM2.5: 0.0 µg/m³
39
Terrebonne - secteur du parc Vaillant, Quebec, Canada
22.3 km PM2.5: 9.4 µg/m³
52
Terrebonne - secteur du parc Vaillant, Quebec, Canada
22.3 km PM2.5: 12.6 µg/m³
17
Terrebonne - secteur du parc Vaillant, Quebec, Canada
22.3 km PM2.5: 4.1 µg/m³
29
Terrebonne - secteur du parc Vaillant, Quebec, Canada
22.3 km PM2.5: 7.0 µg/m³
34
Laval, Quebec, Canada
32.6 km PM2.5: 8.2 µg/m³
15
Laval, Quebec, Canada
32.6 km PM2.5: 3.6 µg/m³
35
Laval, Quebec, Canada
32.6 km PM2.5: 8.4 µg/m³
30
Sorel-Tracy - secteur de Saint-Joseph-de-Sorel, Quebec, Canada
34.9 km PM2.5: 7.2 µg/m³
55
Sorel-Tracy - secteur de Saint-Joseph-de-Sorel, Quebec, Canada
34.9 km PM2.5: 14.0 µg/m³

What cities are near L'Assomption?

69 Repentigny 77 Mascouche 74 Varennes 42 Joliette 78 Terrebonne 76 Rivière-des-Prairies–Pointe-aux-Trembles 36 Saint-Charles-Borromée 72 Boucherville 52 Saint-Lin-Laurentides 69 Sainte-Julie
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T17:20 UTC.