Kolkata vs Calgary

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

India
Kolkata
116
Unhealthy for Sensitive Groups
Canada
Calgary
35
Good
MetricKolkataCalgary
AQI11635
PM2.538.1 μg/m³8.7 μg/m³
PM1045.3 μg/m³11.7 μg/m³
Ozone66 ppb96 ppb
NO213.3 ppb4.2 ppb

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