San Diego vs Cairo

Live air quality comparison. San Diego has cleaner air right now.

United States
San Diego
44
Good
Egypt
Cairo
71
Moderate
MetricSan DiegoCairo
AQI4471
PM2.55.5 μg/m³18.2 μg/m³
PM108.8 μg/m³33.5 μg/m³
Ozone81 ppb31 ppb
NO23.1 ppb42.7 ppb

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