San Diego vs Shanghai

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

United States
San Diego
58
Moderate
China
Shanghai
82
Moderate
MetricSan DiegoShanghai
AQI5882
PM2.515.8 μg/m³28.1 μg/m³
PM1021.7 μg/m³34.6 μg/m³
Ozone80 ppb68 ppb
NO27.1 ppb44 ppb

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