Air Quality in Sainte-Catherine, Canada

Cloudy
14.6°C · 88.6% humidity
14.6°
Feels 14.6°
15
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
21 6am
21
21
15 9am
17
18
19 12pm
19
20
20 3pm
20
21
21 6pm
21
21
21 9pm
21
21
22 12am
22
22
22 3am
22
22
Station readings
15
CAMS model adj -3
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
25
25
25
25
25
25
AD 728×90

Air Quality Index Trend

17h · 1 stn

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

88.6%
Humidity
33.7 km/h
Wind N
1010.4 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
15
3.5 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

17h · 1 station
PM2.53.5 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX4.4
Moderate
AD 300×250
3.5
Median
4.84
Average
3.48
Low
6.2
High
PM2.5 µg/m³ · Model: 5.8 · Bias: +2.3
09-05
24.8° 13.1°
1.81 mm
09-06
21.8° 11.6°
18.94 mm
09-07
20.0° 11.6°
09-08
17.8° 11.6°
4.06 mm
09-09
21.8° 10.4°
0.06 mm
09-10
19.4° 9.9°
11.31 mm
09-11
24.2° 10.5°
0.19 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 2026-09-05T13:05 UTC.