San Diego vs Cairo

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

United States
San Diego
58
Moderate
Egypt
Cairo
67
Moderate
MetricSan DiegoCairo
AQI5867
PM2.515.8 μg/m³21.2 μg/m³
PM1021.7 μg/m³68.2 μg/m³
Ozone80 ppb58 ppb
NO27.1 ppb20.8 ppb

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