0-50

Good

51-100

Moderate

101-200

Poor

201-300

Unhealthy

301-400

Severe

401-500(+)

Hazardous

Rank Most Polluted 100 Cities MOST POLLUTED 100 CITIES AQI PM2.5 µg/m³
prana air sensible air quality monitor
prana air caaqms ambient air quality monitor Ambient Air Quality Monitor
real-time air quality map AQI Air Quality Map

Air quality
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Know what you breathe
with Air Quality App

Stay alert about air pollution round you in
real-time and forecast data. Schedule any
outdoor activities before your day begins.