Beijing vs Chennai

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

Unhealthy for Sensitive Groups

Metric	Beijing	Chennai
AQI	153	135
PM2.5	71.7 μg/m³	17.3 μg/m³
PM10	210.9 μg/m³	22.9 μg/m³
Ozone	29 ppb	77 ppb
NO2	45.9 ppb	9.9 ppb

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