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

Rain
15.5°C · 66.1% humidity
15.5°
Feels 15.5°
8
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast Calibrated
8 3pm
9
9
8 6pm
9
9
8 9pm
8
8
9 12am
9
9
9 3am
9
9
9 6am
9
9
8 9am
8
8
8 12pm
8
8
Station readings
13
8
12
4
CAMS model adj -16
24
25
25
24
25
25
24
24
24
25
25
25
25
25
25
25
25
25
24
24
24
24
24
24
AD 728×90

Air Quality Index Trend

37h · 1 stn

Saint-Jean-sur-Richelieu's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

66.1%
Humidity
71.0 km/h
Wind WNW
1012.7 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
8
1.93 µg/m³
PM10▲
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Saint-Jean-sur-Richelieu?

Temperature & Precipitation

PM2.5 Trend

37h · 1 station
PM2.51.93 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX2.2
Moderate
AD 300×250
Station readings (1 station within 25 km)
1.93
Median
1.93
Average
1.93
Low
1.93
High
PM2.5 µg/m³ · Model: 5.8 · Bias: +3.9

What is the 7-day forecast for Saint-Jean-sur-Richelieu?

05-29
15.8° 6.9°
3.44 mm
05-30
18.2° 7.9°
10.56 mm
05-31
22.3° 6.8°
1.0 mm
06-01
24.1° 15.8°
06-02
19.2° 10.8°
3.13 mm
06-03
24.6° 13.6°
06-04
20.5° 13.4°
1.56 mm
Both models agree Avg diff: 4.2°C

Where are air quality stations near Saint-Jean-sur-Richelieu?

4
Rue Bourret
4.1 km PM2.5: 1.0 µg/m³ PM10: 1.0 µg/m³
62
Longueuil - secteur du parc Océanie (Brossard), Quebec, Canada
22.0 km PM2.5: 17.3 µg/m³
14
Longueuil - secteur du parc Océanie (Brossard), Quebec, Canada
22.0 km PM2.5: 3.4 µg/m³
68
Longueuil - secteur du parc Océanie (Brossard), Quebec, Canada
22.0 km PM2.5: 20.2 µg/m³
15
Longueuil - secteur du parc Océanie (Brossard), Quebec, Canada
22.0 km PM2.5: 3.6 µg/m³
56
Montreal
31.9 km PM2.5: 14.5 µg/m³

What cities are near Saint-Jean-sur-Richelieu?

16 Chambly 26 Candiac 26 La Prairie 27 Brossard 29 Saint-Hubert 27 Saint-Constant 25 Saint-Basile-le-Grand 28 Greenfield Park 24 Saint-Bruno-de-Montarville 28 Laflèche
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-29T22:36 UTC.