Kolkata vs Toronto

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

India
Kolkata
116
Unhealthy for Sensitive Groups
Canada
Toronto
43
Good
MetricKolkataToronto
AQI11643
PM2.538.1 μg/m³18.1 μg/m³
PM1045.3 μg/m³18.4 μg/m³
Ozone66 ppb90 ppb
NO213.3 ppb14.2 ppb

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