Montreal vs Toronto

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

Canada
Montreal
60
Moderate
Canada
Toronto
55
Moderate
MetricMontrealToronto
AQI6055
PM2.518.1 μg/m³19.8 μg/m³
PM1018.7 μg/m³19.9 μg/m³
Ozone130 ppb102 ppb
NO25.9 ppb18.4 ppb

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