Air Quality in Mont-Saint-Hilaire, Canada

Cloudy
11.8°C · 79.9% humidity
11.8°
Feels 11.8°
28
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast
24 4pm
24
24
28 7pm
25
34
54 10pm
34
34
34 1am
27
25
25 4am
24
24
24 7am
25
25
25 10am
25
25
25 1pm
25
25
AD 728×90

Air Quality Index Trend

48h · 3 stn

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

79.9%
Humidity
32.8 km/h
Wind SSW
998.2 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
28
6.7 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Mont-Saint-Hilaire?

Temperature & Precipitation

PM2.5 Trend

48h · 3 stations
PM2.56.7 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX1.4
Low
AD 300×250
Station readings (1 station within 25 km)
6.7
Median
6.7
Average
6.7
Low
6.7
High
PM2.5 µg/m³ · Model: 6.0 · Bias: -0.7

What is the 7-day forecast for Mont-Saint-Hilaire?

06-08
18.3° 9.4°
06-09
25.1° 10.9°
0.88 mm
06-10
17.3° 9.8°
9.94 mm
06-11
23.4° 8.3°
06-12
19.3° 15.5°
13.81 mm
06-13
26.7° 16.2°
26.37 mm
06-14
24.7° 9.6°
11.88 mm
Both models agree Avg diff: 6.7°C

Where are air quality stations near Mont-Saint-Hilaire?

12
Vallée-du-Richelieu, Quebec, Canada
3.6 km PM2.5: 2.9 µg/m³
113
Vallée-du-Richelieu, Quebec, Canada
3.6 km PM2.5: 40.4 µg/m³
5
Vallée-du-Richelieu, Quebec, Canada
3.6 km PM2.5: 1.2 µg/m³
155
Longueuil - secteur du parc Océanie (Brossard), Quebec, Canada
25.8 km PM2.5: 63.2 µg/m³
15
Longueuil - secteur du parc Océanie (Brossard), Quebec, Canada
25.8 km PM2.5: 3.6 µg/m³
27
Longueuil - secteur du parc Océanie (Brossard), Quebec, Canada
25.8 km PM2.5: 6.5 µg/m³
114
Longueuil - secteur du parc Océanie (Brossard), Quebec, Canada
25.8 km PM2.5: 40.8 µg/m³
–
canada-montreal-18e-avenue
26.3 km PM2.5: 0.0 µg/m³

What cities are near Mont-Saint-Hilaire?

28 Beloeil 33 Saint-Basile-le-Grand 35 Sainte-Julie 36 Saint-Bruno-de-Montarville 28 Chambly 34 Saint-Hubert 28 Saint-Hyacinthe 35 Boucherville 35 Longueuil 35 Laflèche
Get AQI alerts for Mont-Saint-Hilaire

Notify me when air quality reaches:

Free · No account · Unsubscribe any time

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-08T23:28 UTC.