Boston vs Los Angeles

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

United States
Boston
40
Good
United States
Los Angeles
44
Good
MetricBostonLos Angeles
AQI4044
PM2.54.9 μg/m³12.1 μg/m³
PM104.9 μg/m³13.4 μg/m³
Ozone49 ppb24 ppb
NO24 ppb32.7 ppb

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