Hudson Air Quality

Monitoring Station · Saint-Lazare, Canada
57
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
55 10pm
64
57
68 1am
68
68
68 4am
68
68
75 7am
75
75
75 10am
75
75
— 1pm
—
—
— 4pm
—
—
— 7pm
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Station readings
55
64
57
CAMS model adj +41
25
25
27
27
27
27
27
27
27
34
34
34
34
34
34

Air Quality Forecast (24h)

PM2.515.0 µg/m³ ✓ WHO
Moderate
PM1015.6 µg/m³
Good
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Nearby Monitoring Stations

37
Sainte-Anne-de-Bellevue, Montreal, Canada
18.5 km PM2.5: 8.9 µg/m³
41
Sainte-Anne-de-Bellevue, Montreal, Canada
18.5 km PM2.5: 9.8 µg/m³
32
Sainte-Anne-de-Bellevue, Montreal, Canada
18.5 km PM2.5: 7.7 µg/m³
17
Sainte-Anne-de-Bellevue, Montreal, Canada
18.5 km PM2.5: 4.1 µg/m³
18
Sainte-Anne-de-Bellevue, Montreal, Canada
18.5 km PM2.5: 4.3 µg/m³
37
Sainte-Anne-de-Bellevue, Montreal, Canada
18.5 km PM2.5: 8.9 µg/m³

Nearby Cities

82 Saint-Lazare 82 Vaudreuil-Dorion 82 Les Coteaux 70 Pierrefonds 69 L'Île-Bizard–Sainte-Geneviève 68 Deux-Montagnes 82 Salaberry-de-Valleyfield 82 Mirabel 68 Kirkland

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-08T01:32 UTC.