Kolkata vs Calgary

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

India
Kolkata
121
Unhealthy for Sensitive Groups
Canada
Calgary
31
Good
MetricKolkataCalgary
AQI12131
PM2.551.9 μg/m³0.6 μg/m³
PM1064.5 μg/m³0.6 μg/m³
Ozone72 ppb110 ppb
NO215.5 ppb1.4 ppb

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