Seattle vs Shanghai

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

United States
Seattle
58
Moderate
China
Shanghai
111
Unhealthy for Sensitive Groups
MetricSeattleShanghai
AQI58111
PM2.520.4 μg/m³44.4 μg/m³
PM1021.5 μg/m³64.5 μg/m³
Ozone37 ppb21 ppb
NO232.7 ppb36.6 ppb

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