Seattle vs Shanghai

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

United States
Seattle
63
Moderate
China
Shanghai
56
Moderate
MetricSeattleShanghai
AQI6356
PM2.512.4 μg/m³31.5 μg/m³
PM1015.7 μg/m³33.3 μg/m³
Ozone41 ppb10 ppb
NO222.7 ppb70.4 ppb

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