Air Quality in Saint-Constant, Canada

Windy
12.3°C · 74.5% humidity
12.3°
Feels 12.3°
34
Good
Air quality is satisfactory. Enjoy outdoor activities.
7 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
10 4pm
11
10
34 7pm
29
24
21 10pm
19
17
16 1am
15
14
13 4am
13
13
12 7am
12
13
13 10am
13
13
13 1pm
13
13
Station readings
10
11
10
CAMS model adj -12
24
24
24
24
25
25
25
25
25
25
25
24
24
24
24
24
24
25
25
25
25
25
25
25
AD 728×90

Air Quality Index Trend

47h · 3 stn

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

74.5%
Humidity
43.1 km/h
Wind SW
998.1 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
34
8.08 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Saint-Constant?

Temperature & Precipitation

PM2.5 Trend

47h · 3 stations
PM2.58.08 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX1.4
Low
AD 300×250
Station readings (7 stations within 25 km)
8.08
Median
6.83
Average
2.37
Low
11.0
High
PM2.5 µg/m³ · Model: 5.9 · Bias: -2.2

What is the 7-day forecast for Saint-Constant?

06-08
19.0° 9.7°
0.06 mm
06-09
23.4° 11.7°
1.13 mm
06-10
19.3° 12.2°
15.62 mm
06-11
24.5° 9.5°
06-12
22.3° 15.5°
13.13 mm
06-13
26.2° 16.9°
17.75 mm
06-14
26.2° 12.3°
10.5 mm
Both models agree Avg diff: 6.1°C

Where are air quality stations near Saint-Constant?

15
Longueuil - secteur du parc Océanie (Brossard), Quebec, Canada
11.3 km PM2.5: 3.6 µg/m³
27
Longueuil - secteur du parc Océanie (Brossard), Quebec, Canada
11.3 km PM2.5: 6.5 µg/m³
114
Longueuil - secteur du parc Océanie (Brossard), Quebec, Canada
11.3 km PM2.5: 40.8 µg/m³
155
Longueuil - secteur du parc Océanie (Brossard), Quebec, Canada
11.3 km PM2.5: 63.2 µg/m³
56
Montreal
15.8 km PM2.5: 14.5 µg/m³
7
Rue Bourret
20.7 km PM2.5: 1.6 µg/m³ PM10: 1.6 µg/m³
–
canada-montreal-rue-leclaire
21.1 km PM2.5: 0.0 µg/m³
13
canada-montreal-rue-ida-steinberg
21.8 km PM2.5: 3.1 µg/m³
12
Montréal, Ahuntsic Live Meteo Station
22.7 km 89.6°C 32.3% RH PM2.5: 3.0 µg/m³ PM10: 3.0 µg/m³

What cities are near Saint-Constant?

37 Sainte-Catherine 33 Candiac 33 La Prairie 42 Desmarchais-Crawford 42 Ville-Émard 43 Verdun 41 Ile-des-Soeurs 43 Saint-Henri 44 Le Sud-Ouest 31 Brossard
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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 2026-06-08T23:11 UTC.