Montreal vs Toronto

Live air quality comparison. Toronto has cleaner air right now.

Canada
Montreal
54
Moderate
Canada
Toronto
35
Good
MetricMontrealToronto
AQI5435
PM2.511.4 μg/m³10.1 μg/m³
PM1011.6 μg/m³10.3 μg/m³
Ozone77 ppb83 ppb
NO217.6 ppb16.5 ppb

Lower values mean cleaner air. Updated hourly. Sources: OpenAQ, Open-Meteo.