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

Drizzle
15.0°C · 98.2% humidity
15.0°
Feels 15.0°
5
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
11 5am
11
11
5 8am
6
7
8 11am
8
9
9 2pm
9
10
10 5pm
10
10
10 8pm
10
10
10 11pm
10
10
10 2am
10
10
Station readings
4
CAMS model adj -14
25
25
25
25
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
AD 728×90

Air Quality Index Trend

45h · 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.

98.2%
Humidity
42.2 km/h
Wind NNE
1009.3 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
5
1.07 µg/m³
PM10▲
13
13.7 µg/m³
050100150200300500

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

Temperature & Precipitation

PM2.5 Trend

45h · 1 station
PM2.51.07 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (2 stations within 25 km)
1.07
Median
2.05
Average
1.0
Low
3.1
High
PM2.5 µg/m³ · Model: 5.9 · Bias: +4.8

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

09-05
25.8° 13.5°
7.06 mm
09-06
24.5° 15.3°
1.94 mm
09-07
21.8° 12.0°
09-08
16.9° 11.7°
3.38 mm
09-09
23.4° 11.5°
1.69 mm
09-10
19.0° 10.6°
9.06 mm
09-11
25.2° 9.9°
0.44 mm
Both models agree Avg diff: 4.5°C

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

–
Rue Bourret
4.1 km PM2.5: 0.0 µg/m³ PM10: 0.0 µg/m³
22
Longueuil - secteur du parc Océanie (Brossard), Quebec, Canada
22.0 km PM2.5: 5.3 µg/m³
19
Brossard - secteur du parc Sorbonne, Quebec, Canada
23.1 km PM2.5: 4.6 µg/m³
31
Brossard - secteur du parc Sorbonne, Quebec, Canada
23.1 km PM2.5: 7.4 µg/m³
19
Brossard - secteur du parc Sorbonne, Quebec, Canada
23.1 km PM2.5: 4.6 µg/m³
13
Brossard - secteur du parc Sorbonne, Quebec, Canada
23.1 km PM2.5: 3.1 µg/m³
26
Brossard - secteur du parc Sorbonne, Quebec, Canada
23.1 km PM2.5: 6.2 µg/m³
19
Brossard - secteur du parc Sorbonne, Quebec, Canada
23.1 km PM2.5: 4.6 µg/m³
16
Brossard - secteur du parc Sorbonne, Quebec, Canada
23.1 km PM2.5: 3.8 µg/m³
31
Brossard - secteur du parc Sorbonne, Quebec, Canada
23.1 km PM2.5: 7.4 µg/m³

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

13 Chambly 14 Candiac 14 La Prairie 13 Brossard 15 Saint-Hubert 14 Saint-Constant 16 Saint-Basile-le-Grand 15 Greenfield Park 16 Saint-Bruno-de-Montarville 15 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 2026-09-05T12:13 UTC.