Air Quality in Saint-Jean-sur-Richelieu, Canada

Windy
11.8°C · 66.1% humidity
11.8°
Feels 11.8°
24
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast Calibrated
30 2pm
34
35
29 5pm
29
17
17 8pm
17
17
17 11pm
17
17
17 2am
17
29
29 5am
29
29
29 8am
29
29
29 11am
29
42
Station readings
30
34
35
CAMS model adj -8
37
50
37
37
37
25
25
25
25
25
25
25
25
25
37
37
37
37
37
37
37
37
37
50
AD 728×90

PM2.5 Trend (24h)

26h · 3 stations
66.1%
Humidity
155.8 km/h
Wind S
1024.0 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Temperature & Precipitation

PM2.55.65 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
5.65
Median
5.65
Average
5.65
Low
5.65
High
PM2.5 µg/m³ · Model: 7.4 · Bias: +1.8
04-09
11.8° 1.0°
04-10
17.7° 6.0°
04-11
13.7° 7.8°
2.87 mm
04-12
11.0° 2.4°
04-13
16.7° 8.2°
20.69 mm
04-14
19.2° 12.9°
8.69 mm
04-15
17.2° 10.1°
6.88 mm

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T17:00 UTC.