Boston vs Delhi

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

United States
Boston
40
Good
India
Delhi
530
Hazardous
MetricBostonDelhi
AQI40530
PM2.54.8 μg/m³79.6 μg/m³
PM105 μg/m³335.3 μg/m³
Ozone58 ppb137 ppb
NO23.4 ppb12.8 ppb

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