San Diego vs Los Angeles

Live air quality comparison. Los Angeles has cleaner air right now.

United States
San Diego
44
Good
United States
Los Angeles
40
Good
MetricSan DiegoLos Angeles
AQI4440
PM2.55.5 μg/m³3.5 μg/m³
PM108.8 μg/m³4.6 μg/m³
Ozone81 ppb71 ppb
NO23.1 ppb13.9 ppb

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