Air Quality in L'Assomption, Canada

Windy
12.1°C · 78.2% humidity
12.1°
Feels 12.1°
38
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations

Nearby Monitoring Stations

AQI Forecast
25 7pm
25
27
38 10pm
34
34
34 1am
34
34
34 4am
34
34
34 7am
34
34
27 10am
27
25
25 1pm
25
25
25 4pm
25
25
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.

78.2%
Humidity
50.8 km/h
Wind SW
997.9 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
38
9.25 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
PM2.59.25 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (3 stations within 25 km)
9.25
Median
9.2
Average
6.5
Low
10.8
High
PM2.5 µg/m³ · Model: 7.35 · Bias: -1.9

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

06-09
25.0° 11.4°
1.56 mm
06-10
16.4° 10.4°
10.13 mm
06-11
22.8° 9.0°
06-12
19.6° 15.7°
9.13 mm
06-13
26.8° 16.8°
26.12 mm
06-14
24.1° 10.4°
5.25 mm
06-15
23.0° 16.0°
15.06 mm
Both models agree Avg diff: 6.5°C

Where are air quality stations near L'Assomption?

–
canada-montreal-18e-avenue
20.4 km PM2.5: 0.0 µg/m³
56
Terrebonne - secteur du parc Vaillant, Quebec, Canada
22.3 km PM2.5: 14.5 µg/m³
–
Terrebonne - secteur du parc Vaillant, Quebec, Canada
22.3 km
25
Terrebonne - secteur du parc Vaillant, Quebec, Canada
22.3 km PM2.5: 6.0 µg/m³
51
Terrebonne - secteur du parc Vaillant, Quebec, Canada
22.3 km PM2.5: 12.1 µg/m³
2
Laval, Quebec, Canada
32.6 km PM2.5: 0.5 µg/m³
48
Laval, Quebec, Canada
32.6 km PM2.5: 11.5 µg/m³
124
Laval, Quebec, Canada
32.6 km PM2.5: 44.8 µg/m³
36
Sorel-Tracy - secteur de Saint-Joseph-de-Sorel, Quebec, Canada
34.9 km PM2.5: 8.6 µg/m³
22
Sorel-Tracy - secteur de Saint-Joseph-de-Sorel, Quebec, Canada
34.9 km PM2.5: 5.3 µg/m³

What cities are near L'Assomption?

39 Repentigny 33 Mascouche 38 Varennes 25 Joliette 28 Terrebonne 43 Rivière-des-Prairies–Pointe-aux-Trembles 32 Saint-Charles-Borromée 35 Boucherville 27 Saint-Lin-Laurentides 32 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 2026-06-09T02:03 UTC.