San Diego vs Beijing

Live air quality comparison. San Diego has cleaner air right now.

United States
San Diego
60
Moderate
China
Beijing
153
Unhealthy
MetricSan DiegoBeijing
AQI60153
PM2.517.6 μg/m³42.8 μg/m³
PM1024.8 μg/m³42.8 μg/m³
Ozone71 ppb1 ppb
NO212.3 ppb94.6 ppb

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