Boston vs Shanghai

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

United States
Boston
47
Good
China
Shanghai
111
Unhealthy for Sensitive Groups
MetricBostonShanghai
AQI47111
PM2.57.6 μg/m³44.4 μg/m³
PM107.7 μg/m³64.5 μg/m³
Ozone28 ppb21 ppb
NO242.3 ppb36.6 ppb

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