Lucknow vs Kolkata

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

Unhealthy for Sensitive Groups

Metric	Lucknow	Kolkata
AQI	161	113
PM2.5	74 μg/m³	44.7 μg/m³
PM10	212.3 μg/m³	53.4 μg/m³
Ozone	110 ppb	79 ppb
NO2	12.7 ppb	15.8 ppb

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