San Diego vs Beijing

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

United States
San Diego
58
Moderate
China
Beijing
190
Unhealthy
MetricSan DiegoBeijing
AQI58190
PM2.515.8 μg/m³85.2 μg/m³
PM1021.7 μg/m³90.1 μg/m³
Ozone80 ppb0 ppb
NO27.1 ppb105.3 ppb

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