San Diego vs Cairo

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

United States
San Diego
48
Good
Egypt
Cairo
57
Moderate
MetricSan DiegoCairo
AQI4857
PM2.59.4 μg/m³16.2 μg/m³
PM1011.4 μg/m³25.2 μg/m³
Ozone36 ppb144 ppb
NO217.1 ppb14 ppb

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