What is the air quality in L'Assomption today?

The current Air Quality Index (AQI) in L'Assomption is 15 (Good). PM2.5 concentration is 3.67 µg/m³.

What is the temperature in L'Assomption right now?

The current temperature in L'Assomption is 15.6°C (feels like 15.6°C). Humidity is 83.6% and wind speed is 46.8 km/h.

Is it safe to go outside in L'Assomption?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.7 (Low).

Air Quality in L'Assomption, Canada

Drizzle

15.6°C · 83.6% humidity

15.6°

Feels 15.6°

Good

Air quality is satisfactory. Enjoy outdoor activities.

3 stations

Nearby Monitoring Stations

AQI Forecast

24 5am

15 8am

21 11am

23 2pm

24 5pm

24 8pm

24 11pm

24 2am

Air Quality Index Trend

45h · 15 stn

View full history →

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.

83.6%

Humidity

46.8 km/h

Wind NNE

1010.0 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

3.67 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for L'Assomption?

Temperature & Precipitation

PM2.5 Trend

45h · 15 stations

PM2.53.67 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

Station readings (3 stations within 25 km)

3.67

Median

3.67

Average

3.1

Low

4.1

High

PM2.5 µg/m³ · Model: 5.8 · Bias: +2.1

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

09-05

25.2° 13.8°

3.0 mm

09-06

23.2° 12.9°

8.88 mm

09-07

19.9° 11.8°

09-08

18.0° 12.5°

5.69 mm

09-09

24.3° 10.9°

0.31 mm

09-10

20.8° 11.8°

14.31 mm

09-11

26.4° 10.9°

0.19 mm

Both models agree Avg diff: 4.1°C

Where are air quality stations near L'Assomption?

–

canada-montreal-18e-avenue

20.4 km PM2.5: 0.0 µg/m³

Saint-Jean-Baptiste, Montreal, Canada

21.0 km PM2.5: 3.8 µg/m³

Saint-Jean-Baptiste, Montreal, Canada

21.0 km PM2.5: 4.6 µg/m³

Saint-Jean-Baptiste, Montreal, Canada

21.0 km PM2.5: 5.3 µg/m³

Saint-Jean-Baptiste, Montreal, Canada

21.0 km PM2.5: 3.1 µg/m³

Saint-Jean-Baptiste, Montreal, Canada

21.0 km PM2.5: 3.8 µg/m³

Saint-Jean-Baptiste, Montreal, Canada

21.0 km PM2.5: 3.1 µg/m³

Saint-Jean-Baptiste, Montreal, Canada

21.0 km PM2.5: 3.1 µg/m³

Saint-Jean-Baptiste, Montreal, Canada

21.0 km PM2.5: 5.8 µg/m³

Rivière-des-prairies, Montreal, Canada

22.1 km PM2.5: 5.3 µg/m³

What cities are near L'Assomption?

15 Repentigny 16 Mascouche 16 Varennes 15 Joliette 17 Terrebonne 13 Rivière-des-Prairies–Pointe-aux-Trembles 20 Saint-Charles-Borromée 16 Boucherville 17 Saint-Lin-Laurentides 16 Sainte-Julie

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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 2026-09-05T12:11 UTC.