Lima vs Chennai

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

Peru
Lima
55
Moderate
India
Chennai
68
Moderate
MetricLimaChennai
AQI5568
PM2.56.6 μg/m³18.6 μg/m³
PM1012.2 μg/m³28.7 μg/m³
Ozone43 ppb118 ppb
NO211.2 ppb5.2 ppb

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