Boston vs Cairo

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

United States
Boston
65
Moderate
Egypt
Cairo
67
Moderate
MetricBostonCairo
AQI6567
PM2.518.5 μg/m³21.2 μg/m³
PM1021.8 μg/m³68.2 μg/m³
Ozone125 ppb58 ppb
NO25.7 ppb20.8 ppb

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