Boston vs Cairo

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

United States
Boston
69
Moderate
Egypt
Cairo
81
Moderate
MetricBostonCairo
AQI6981
PM2.518.2 μg/m³14.5 μg/m³
PM1019.4 μg/m³26.6 μg/m³
Ozone113 ppb87 ppb
NO23 ppb15.8 ppb

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