Air Quality in Brossard, Canada

Clear
26.5°C · 43.8% humidity
26.5°
Feels 26.5°
70
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
3 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
62 10am
73
74
70 1pm
68
66
65 4pm
64
64
63 7pm
63
56
55 10pm
55
53
53 1am
53
53
52 4am
52
52
52 7am
52
52
Station readings
62
73
74
CAMS model adj +28
27
27
34
34
34
34
34
34
34
34
34
27
27
27
25
25
25
25
24
24
24
24
24
24
AD 728×90

Air Quality Index Trend

47h · 3 stn

Brossard's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration. Current PM2.5 concentration in Brossard is 1.4× the WHO 24-hour guideline of 15 µg/m³.

43.8%
Humidity
37.8 km/h
Wind ENE
1015.4 hPa
Pressure
14.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
70
20.9 µg/m³
PM10
31
34.3 µg/m³
050100150200300500

What is the weather forecast for Brossard?

Temperature & Precipitation

PM2.5 Trend

47h · 3 stations
PM2.520.9 µg/m³ ×1.4 WHO
Moderate
PM1034.3 µg/m³
Good
UV INDEX14.9
Extreme
AD 300×250
Station readings (3 stations within 25 km)
20.9
Median
21.05
Average
14.11
Low
28.33
High
PM2.5 µg/m³ · Model: 13.7 · Bias: -7.2

What is the 7-day forecast for Brossard?

07-21
26.5° 20.8°
07-22
25.3° 18.2°
0.19 mm
07-23
20.5° 13.5°
5.75 mm
07-24
23.6° 14.5°
1.13 mm
07-25
20.5° 18.6°
12.81 mm
07-26
22.8° 16.0°
7.56 mm
07-27
27.8° 18.4°
0.88 mm
Both models agree Avg diff: 2.3°C

Where are air quality stations near Brossard?

37
Longueuil - secteur du parc Océanie (Brossard), Quebec, Canada
0.9 km PM2.5: 8.9 µg/m³
24
Longueuil - secteur du parc Océanie (Brossard), Quebec, Canada
0.9 km PM2.5: 5.8 µg/m³
193
Longueuil - secteur du parc Océanie (Brossard), Quebec, Canada
0.9 km PM2.5: 136.8 µg/m³
132
Longueuil - secteur du parc Océanie (Brossard), Quebec, Canada
0.9 km PM2.5: 48.1 µg/m³
40
Montreal
9.5 km PM2.5: 9.6 µg/m³
53
Montreal
9.5 km PM2.5: 13.1 µg/m³
25
Montreal
9.5 km PM2.5: 6.0 µg/m³
40
Montreal
9.5 km PM2.5: 9.6 µg/m³
–
canada-montreal-rue-leclaire
12.7 km PM2.5: 0.0 µg/m³
80
canada-montreal-rue-ida-steinberg
13.4 km PM2.5: 25.9 µg/m³

What cities are near Brossard?

71 Greenfield Park 69 La Prairie 71 Laflèche 73 Ile-des-Soeurs 70 Saint-Hubert 72 Longueuil 76 Verdun 67 Candiac 77 Desmarchais-Crawford 75 Ville-Marie
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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 2026-07-21T17:17 UTC.