Boston vs Shanghai

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

United States
Boston
40
Good
China
Shanghai
56
Moderate
MetricBostonShanghai
AQI4056
PM2.54.8 μg/m³31.5 μg/m³
PM105 μg/m³33.3 μg/m³
Ozone58 ppb10 ppb
NO23.4 ppb70.4 ppb

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