Air Quality in Québec, Canada

Drizzle
15.1°C · 97.3% humidity
15.1°
Feels 15.1°
138
Unhealthy for sensitive groups
Sensitive groups should reduce prolonged outdoor exertion.
55 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
22 5am
41
56
138 8am
115
98
86 11am
78
71
67 2pm
64
62
60 5pm
59
59
58 8pm
58
58
58 11pm
57
57
57 2am
57
57
Station readings
22
41
CAMS model adj +32
24
24
24
24
24
24
24
24
24
24
24
24
24
24
25
24
25
25
25
25
25
25
25
25
AD 728×90

Air Quality Index Trend

46h · 43 stn

Québec's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration. Current PM2.5 concentration in Québec is 3.4× the WHO 24-hour guideline of 15 µg/m³.

97.3%
Humidity
11.6 km/h
Wind E
1010.6 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
138
50.41 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

46h · 43 stations
PM2.550.41 µg/m³ ×3.4 WHO
Unhealthy for sensitive groups
PM1013.7 µg/m³
Good
UV INDEX1.4
Low
AD 300×250
50.41
Median
10.64
Average
0.04
Low
495.37
High
PM2.5 µg/m³ · Model: 5.8 · Bias: -44.6
09-05
22.7° 10.8°
3.69 mm
09-06
20.3° 10.4°
6.44 mm
09-07
18.2° 11.5°
0.06 mm
09-08
14.8° 9.3°
09-09
21.8° 9.2°
0.25 mm
09-10
17.2° 9.4°
14.31 mm
09-11
17.4° 11.4°
1.19 mm
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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 2026-09-05T12:10 UTC.