Flow, The Personal Air Quality Sensor by

Amazon.com Price: $119.99 (as of 02/01/2024 22:42 PST- Details) & FREE Shipping.

Flow and its companion app help you understand what's in the air you breathe and build the best reflexes to minimise your exposure to pollution.
Flow tracks the three main categories of pollutants with a direct impact on our health: Nitrogen Dioxyde (NO2), Volatile Organic Compounds (VOC) and Particulate Matter (PM2.5, PM10).
The first and only portable sensor with comprehensive tracking capabilities. Always-on measurement gives you the minute-by-minute breakdown of your daily exposure with 24H+ battery capacity and 2.5H charging time.