Montreal vs Toronto

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

Canada
Montreal
36
Good
Canada
Toronto
33
Good
MetricMontrealToronto
AQI3633
PM2.56.2 μg/m³9.4 μg/m³
PM106.3 μg/m³10 μg/m³
Ozone28 ppb48 ppb
NO211.5 ppb17.1 ppb

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