Kolkata vs Toronto

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

India
Kolkata
190
Unhealthy
Canada
Toronto
29
Good
MetricKolkataToronto
AQI19029
PM2.568 μg/m³6.1 μg/m³
PM1073.3 μg/m³6.2 μg/m³
Ozone180 ppb35 ppb
NO28.1 ppb26.4 ppb

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