Montreal Air Quality

Monitoring Station · Ville-Marie, Canada
33
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
31 7pm
31
31
31 10pm
38
58
58 1am
58
58
58 4am
58
38
38 7am
38
38
— 10am
—
—
— 1pm
—
—
— 4pm
—
—
CAMS model adj +4
27
27
27
27
34
54
54
54
54
54
54
34
34
34
34

Air Quality Forecast (24h)

PM2.57.9 µg/m³ ✓ WHO
Good
View city history →

Nearby Monitoring Stations

27
Montreal
0.0 km PM2.5: 6.5 µg/m³
30
Montreal
0.0 km PM2.5: 7.2 µg/m³
17
Montreal
0.0 km PM2.5: 4.1 µg/m³
20
St-Dominique, Montreal, Canada
1.1 km PM2.5: 4.8 µg/m³
17
St-Dominique, Montreal, Canada
1.1 km PM2.5: 4.1 µg/m³
15
St-Dominique, Montreal, Canada
1.1 km PM2.5: 3.6 µg/m³
19
Molson, Montreal, Canada
4.0 km PM2.5: 4.6 µg/m³
14
Molson, Montreal, Canada
4.0 km PM2.5: 3.4 µg/m³

Nearby Cities

27 Ville-Marie 27 Montréal 27 Le Plateau-Mont-Royal 27 Mile End 27 Outremont 26 Westmount 28 Le Vieux-Longueuil 25 Le Sud-Ouest 27 Rosemont–La Petite-Patrie

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-10T22:19 UTC.