Nanjing vs Beijing

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

Unhealthy for Sensitive Groups

Metric	Nanjing	Beijing
AQI	146	190
PM2.5	31.8 μg/m³	85.2 μg/m³
PM10	35.6 μg/m³	90.1 μg/m³
Ozone	5 ppb	0 ppb
NO2	86.3 ppb	105.3 ppb

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