Kolkata vs Perth

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

India
Kolkata
116
Unhealthy for Sensitive Groups
Australia
Perth
19
Good
MetricKolkataPerth
AQI11619
PM2.538.1 μg/m³2.2 μg/m³
PM1045.3 μg/m³3.1 μg/m³
Ozone66 ppb46 ppb
NO213.3 ppb2.9 ppb

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