Air Quality in Saint-Eustache, Canada

Drizzle
15.6°C · 90.7% humidity
15.6°
Feels 15.6°
16
Good
Air quality is satisfactory. Enjoy outdoor activities.
6 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
17 5am
15
26
16 8am
17
17
17 11am
17
17
17 2pm
17
17
17 5pm
17
17
17 8pm
17
17
17 11pm
17
17
17 2am
17
18
Station readings
17
15
26
CAMS model adj -7
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
25
AD 728×90

Air Quality Index Trend

47h · 2 stn

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

90.7%
Humidity
60.5 km/h
Wind NE
1009.7 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
16
3.94 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Saint-Eustache?

Temperature & Precipitation

PM2.5 Trend

47h · 2 stations
PM2.53.94 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (6 stations within 25 km)
3.94
Median
4.09
Average
3.1
Low
5.94
High
PM2.5 µg/m³ · Model: 5.8 · Bias: +1.9

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

09-05
24.8° 15.0°
3.31 mm
09-06
22.6° 13.6°
10.81 mm
09-07
19.5° 13.8°
09-08
18.1° 11.6°
6.88 mm
09-09
23.2° 11.4°
0.44 mm
09-10
19.5° 11.6°
16.37 mm
09-11
25.4° 10.5°
0.19 mm
Both models agree Avg diff: 4.8°C

Where are air quality stations near Saint-Eustache?

13
Sainte-Anne-de-Bellevue, Montreal, Canada
15.5 km PM2.5: 3.1 µg/m³
24
Sainte-Anne-de-Bellevue, Montreal, Canada
15.5 km PM2.5: 5.8 µg/m³
14
Sainte-Anne-de-Bellevue, Montreal, Canada
15.5 km PM2.5: 3.4 µg/m³
20
Sainte-Anne-de-Bellevue, Montreal, Canada
15.5 km PM2.5: 4.8 µg/m³
13
Sainte-Anne-de-Bellevue, Montreal, Canada
15.5 km PM2.5: 3.1 µg/m³
18
Laval, Quebec, Canada
15.7 km PM2.5: 4.3 µg/m³
33
Laval, Quebec, Canada
15.7 km PM2.5: 7.9 µg/m³
25
Laval, Quebec, Canada
15.7 km PM2.5: 6.0 µg/m³
17
Laval, Quebec, Canada
15.7 km PM2.5: 4.1 µg/m³
29
Montréal, Ahuntsic Live Meteo Station
18.2 km 67.8°C 78.4% RH PM2.5: 7.0 µg/m³ PM10: 7.0 µg/m³

What cities are near Saint-Eustache?

16 Deux-Montagnes 15 L'Île-Bizard–Sainte-Geneviève 16 Boisbriand 15 Pierrefonds-Roxboro 15 Dollard-Des Ormeaux 16 Sainte-Thérèse 16 Blainville 14 Pierrefonds 16 Chomedey 14 Kirkland
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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 2026-09-05T12:11 UTC.