Kolkata vs Surat

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

Unhealthy for Sensitive Groups

Metric	Kolkata	Surat
AQI	190	124
PM2.5	68 μg/m³	37.3 μg/m³
PM10	73.3 μg/m³	40.2 μg/m³
Ozone	180 ppb	71 ppb
NO2	8.1 ppb	31.2 ppb

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