Air Quality in Châteauguay, Canada
Windy
11.8°C · 88.7% humidity
11.8°
Feels 11.8°
14
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
AQI Forecast
Calibrated
20
7pm
21
22
19
10pm
19
19
19
1am
19
19
19
4am
19
19
19
7am
19
31
31
10am
31
31
44
1pm
31
31
31
4pm
31
44
Station readings
20
21
22
CAMS model
adj -6
25
25
25
25
25
25
25
25
25
25
25
25
25
25
37
37
37
37
50
37
37
37
37
50
PM2.5 Trend (24h)
26h · 4 stations88.7%
Humidity
66.9 km/h
Wind SW
1022.9 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
What is the weather forecast for Châteauguay?
Temperature & Precipitation
PM2.53.33 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (1 station within 25 km)
3.33
Median
3.33
Average
3.33
Low
3.33
High
PM2.5 µg/m³ · Model: 8.9 · Bias: +5.6
What is the 7-day forecast for Châteauguay?
04-09
14.3° 0.2°
04-10
17.6° 5.8°
04-11
15.0° 7.3°
4.63 mm
04-12
10.1° 3.8°
04-13
14.6° 7.7°
22.56 mm
04-14
16.5° 13.0°
5.31 mm
04-15
15.6° 10.3°
4.5 mm
Both models agree
Avg diff: 4.5°C
Where are air quality stations near Châteauguay?
17
Montréal, Ahuntsic Live Meteo Station
34
Brossard - secteur du parc Sorbonne, Quebec, Canada
25
Brossard - secteur du parc Sorbonne, Quebec, Canada
24
Brossard - secteur du parc Sorbonne, Quebec, Canada
30
Brossard - secteur du parc Sorbonne, Quebec, Canada
36
Brossard - secteur du parc Sorbonne, Quebec, Canada
32
Brossard - secteur du parc Sorbonne, Quebec, Canada
29
Longueuil - secteur du parc Océanie (Brossard), Quebec, Canada
33
Laval, Quebec, Canada
25
Laval, Quebec, Canada
What cities are near Châteauguay?
Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T22:12 UTC.