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

Windy
11.8°C · 66.1% humidity
11.8°
Feels 11.8°
22
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast Calibrated
30 2pm
34
35
23 5pm
27
15
15 8pm
15
15
15 11pm
15
15
15 2am
15
27
27 5am
27
27
27 8am
27
27
27 11am
27
40
Station readings
30
34
35
23
CAMS model adj -10
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)

27h · 3 stations
66.1%
Humidity
155.8 km/h
Wind S
1024.0 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Temperature & Precipitation

PM2.55.26 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
5.26
Median
5.26
Average
5.26
Low
5.26
High
PM2.5 µg/m³ · Model: 7.4 · Bias: +2.1
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 2026-04-09T17:37 UTC.