Air Quality in Sainte-Catherine, Canada

Windy
10.6°C · 93.7% humidity
10.6°
Feels 10.6°
30
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations

Nearby Monitoring Stations

AQI Forecast
26 3pm
27
35
19 6pm
25
25
25 9pm
25
25
25 12am
25
37
37 3am
37
37
37 6am
50
50
50 9am
37
37
37 12pm
75
75
Station readings
26
27
35
19
CAMS model
25
25
25
25
25
25
25
25
25
25
25
37
37
37
37
37
50
50
50
37
37
37
75
75
AD 728×90

PM2.5 Trend (24h)

27h · 2 stations
93.7%
Humidity
136.3 km/h
Wind SSW
1021.6 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Sainte-Catherine?

Temperature & Precipitation

PM2.57.32 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (2 stations within 25 km)
7.32
Median
7.32
Average
6.17
Low
8.46
High
PM2.5 µg/m³ · Model: 8.9 · Bias: +1.6

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

04-09
10.6° -1.6°
0.13 mm
04-10
16.2° 5.9°
2.06 mm
04-11
11.5° 5.1°
5.19 mm
04-12
10.4° 0.1°
04-13
5.8° 2.8°
19.37 mm
04-14
3.5° 2.2°
8.25 mm
04-15
12.6° 5.3°
3.63 mm
Both models agree Avg diff: 4.2°C

Where are air quality stations near Sainte-Catherine?

26
canada-trois-rivières-notre-dame-rue-o
0.7 km PM2.5: 6.2 µg/m³
32
Trois-Rivières - secteur du Vieux-Trois-Rivières, Quebec, Canada
3.0 km
30
Bécancour - secteur de l'hôtel de ville, Quebec, Canada
3.3 km
29
Bécancour - secteur de l'hôtel de ville, Quebec, Canada
3.3 km
31
Bécancour - secteur de l'hôtel de ville, Quebec, Canada
3.3 km
23
Bécancour - secteur de l'hôtel de ville, Quebec, Canada
3.3 km
19
canada-trois-rivières-notre-dame-rue-east
6.2 km PM2.5: 4.6 µg/m³
44
Trois-Rivières - secteur du sanctuaire, Quebec, Canada
7.7 km
25
Trois-Rivières - secteur du sanctuaire, Quebec, Canada
7.7 km
42
Trois-Rivières - secteur du sanctuaire, Quebec, Canada
7.7 km

What cities are near Sainte-Catherine?

30 Trois-Rivières 23 Shawinigan 35 Drummondville 24 Sorel-Tracy 23 Victoriaville 24 Joliette 24 Saint-Charles-Borromée 19 Saint-Hyacinthe 24 L'Assomption 27 Repentigny

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T18:44 UTC.