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

Partly Cloudy
21.0°C · 68.9% humidity
21.0°
Feels 21.0°
7
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast Calibrated
9 1pm
9
9
7 4pm
9
9
9 7pm
10
10
12 10pm
12
12
10 1am
10
9
9 4am
9
9
9 7am
9
10
10 10am
10
10
Station readings
12
7
6
8
CAMS model adj -15
24
24
24
24
24
24
24
25
25
27
27
27
25
25
24
24
24
24
24
24
25
25
25
25
AD 728×90

Air Quality Index Trend

46h · 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.

68.9%
Humidity
37.3 km/h
Wind SSW
1016.5 hPa
Pressure
10.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
7
1.7 µg/m³
PM10▲
13
13.7 µg/m³
050100150200300500

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

Temperature & Precipitation

PM2.5 Trend

46h · 1 station
PM2.51.7 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX10.9
Extreme
AD 300×250
Station readings (1 station within 25 km)
1.7
Median
1.7
Average
1.7
Low
1.7
High
PM2.5 µg/m³ · Model: 5.9 · Bias: +4.2
Both models agree Avg diff: 6.8°C

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

8
Rue Bourret
4.1 km PM2.5: 2.0 µg/m³ PM10: 2.0 µg/m³
15
Longueuil - secteur du parc Océanie (Brossard), Quebec, Canada
22.0 km PM2.5: 3.6 µg/m³
27
Longueuil - secteur du parc Océanie (Brossard), Quebec, Canada
22.0 km PM2.5: 6.5 µg/m³
114
Longueuil - secteur du parc Océanie (Brossard), Quebec, Canada
22.0 km PM2.5: 40.8 µg/m³
155
Longueuil - secteur du parc Océanie (Brossard), Quebec, Canada
22.0 km PM2.5: 63.2 µg/m³
56
Montreal
31.9 km PM2.5: 14.5 µg/m³

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

25 Chambly 30 Candiac 33 La Prairie 33 Brossard 31 Saint-Hubert 32 Saint-Constant 32 Saint-Basile-le-Grand 33 Greenfield Park 33 Saint-Bruno-de-Montarville 32 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 2026-06-08T20:45 UTC.