Air Quality in Saint-Eustache, Canada

Clear
1.9°C · 46.6% humidity
1.9°
Feels -3.4°
19
Good
Air quality is satisfactory. Enjoy outdoor activities.
6 stations

Nearby Monitoring Stations

AQI Forecast
4 5pm
6
32
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Station readings
4
6
32

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.

46.6%
Humidity
23.9 km/h
Wind W
1029.9 hPa
Pressure
0.0
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
19
4.61 µg/m³
PM10▲
25
27.4 µg/m³
050100150200300500

What is the weather forecast for Saint-Eustache?

Temperature & Precipitation

PM2.5 Trend

47h · 2 stations
PM2.54.61 µg/m³ ✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX0.0
Low
Station readings (6 stations within 25 km)
4.61
Median
4.23
Average
2.29
Low
6.2
High
PM2.5 µg/m³ · Model: 13.5 · Bias: +8.9

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

10-21
14.1° 1.9°
10-22
12.7° 2.2°
6.75 mm
10-23
14.6° 6.1°
2.81 mm
10-24
14.1° 2.5°
1.0 mm
10-25
16.3° 7.1°
15.13 mm
10-26
8.7° 4.3°
0.19 mm
10-27
8.3° 2.3°
1.69 mm
Both models agree Avg diff: 4.4°C

Where are air quality stations near Saint-Eustache?

33
Sainte-Anne-de-Bellevue, Montreal, Canada
15.5 km PM2.5: 7.9 µg/m³
31
Sainte-Anne-de-Bellevue, Montreal, Canada
15.5 km PM2.5: 7.4 µg/m³
34
Sainte-Anne-de-Bellevue, Montreal, Canada
15.5 km PM2.5: 8.2 µg/m³
21
Sainte-Anne-de-Bellevue, Montreal, Canada
15.5 km PM2.5: 5.0 µg/m³
30
Sainte-Anne-de-Bellevue, Montreal, Canada
15.5 km PM2.5: 7.2 µg/m³
35
Sainte-Anne-de-Bellevue, Montreal, Canada
15.5 km PM2.5: 8.4 µg/m³
31
Sainte-Anne-de-Bellevue, Montreal, Canada
15.5 km PM2.5: 7.4 µg/m³
13
Sainte-Anne-de-Bellevue, Montreal, Canada
15.5 km PM2.5: 3.1 µg/m³
26
Sainte-Anne-de-Bellevue, Montreal, Canada
15.5 km PM2.5: 6.2 µg/m³
18
Laval, Quebec, Canada
15.7 km PM2.5: 4.3 µg/m³

What cities are near Saint-Eustache?

20 Deux-Montagnes 22 L'Île-Bizard–Sainte-Geneviève 20 Boisbriand 21 Pierrefonds-Roxboro 21 Dollard-Des Ormeaux 19 Sainte-Thérèse 18 Blainville 24 Pierrefonds 19 Chomedey 24 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 2026-10-21T00:31 UTC.