Air Quality in Sainte-Catherine, Canada

Windy
12.8°C · 88.0% humidity
12.8°
Feels 12.8°
14
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
21 8pm
22
22
20 11pm
20
20
33 2am
20
20
20 5am
20
20
20 8am
20
20
20 11am
33
58
58 2pm
58
33
33 5pm
33
33
Station readings
21
22
22
CAMS model adj -17
37
37
37
37
37
37
50
37
37
37
37
37
37
37
37
37
50
75
75
75
50
50
50
50
AD 728×90

PM2.5 Trend (24h)

24h · 4 stations
88.0%
Humidity
65.7 km/h
Wind SW
1023.0 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Sainte-Catherine?

Temperature & Precipitation

PM2.53.27 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX1.4
Low
AD 300×250
Station readings (3 stations within 25 km)
3.27
Median
3.9
Average
3.0
Low
5.42
High
PM2.5 µg/m³ · Model: 8.9 · Bias: +5.6

What is the 7-day forecast for Sainte-Catherine?

04-09
15.8° 0.7°
04-10
18.8° 5.8°
04-11
16.0° 8.4°
4.25 mm
04-12
10.6° 4.1°
04-13
15.4° 8.3°
19.69 mm
04-14
17.5° 13.8°
5.31 mm
04-15
17.0° 10.5°
4.31 mm
Both models agree Avg diff: 5.2°C

Where are air quality stations near Sainte-Catherine?

34
Brossard - secteur du parc Sorbonne, Quebec, Canada
9.6 km
25
Brossard - secteur du parc Sorbonne, Quebec, Canada
9.6 km
24
Brossard - secteur du parc Sorbonne, Quebec, Canada
9.6 km
30
Brossard - secteur du parc Sorbonne, Quebec, Canada
9.6 km
36
Brossard - secteur du parc Sorbonne, Quebec, Canada
9.6 km
32
Brossard - secteur du parc Sorbonne, Quebec, Canada
9.6 km
29
Longueuil - secteur du parc Océanie (Brossard), Quebec, Canada
10.1 km
–
canada-montreal-rue-leclaire
17.7 km PM2.5: 0.0 µg/m³
22
canada-montreal-rue-ida-steinberg
18.3 km PM2.5: 5.3 µg/m³
12
Montréal, Ahuntsic Live Meteo Station
18.8 km 61.7°C 39.0% RH PM2.5: 3.0 µg/m³ PM10: 4.0 µg/m³

What cities are near Sainte-Catherine?

14 Saint-Constant 18 Desmarchais-Crawford 14 Candiac 18 Ville-Émard 18 Verdun 14 La Prairie 14 Ile-des-Soeurs 18 Saint-Henri 18 Le Sud-Ouest 18 Notre-Dame-de-Grâce

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T23:01 UTC.