Montreal vs Toronto

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

Canada
Montreal
36
Good
Canada
Toronto
35
Good
MetricMontrealToronto
AQI3635
PM2.57.6 μg/m³10 μg/m³
PM107.6 μg/m³10.4 μg/m³
Ozone47 ppb47 ppb
NO27.5 ppb17.6 ppb

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