Kolkata vs Christchurch

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

India
Kolkata
121
Unhealthy for Sensitive Groups
New Zealand
Christchurch
38
Good
MetricKolkataChristchurch
AQI12138
PM2.551.9 μg/m³6 μg/m³
PM1064.5 μg/m³6.5 μg/m³
Ozone72 ppb21 ppb
NO215.5 ppb4.6 ppb

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