Toronto vs Calgary

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

Canada
Toronto
55
Moderate
Canada
Calgary
70
Moderate
MetricTorontoCalgary
AQI5570
PM2.519.8 μg/m³43.2 μg/m³
PM1019.9 μg/m³46.1 μg/m³
Ozone102 ppb155 ppb
NO218.4 ppb6.1 ppb

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