How can SmartPhone app measure pollutants in air?

  1. triosol profile image58
    triosolposted 7 years ago

    How can SmartPhone app measure pollutants in air?

  2. kschang profile image90
    kschangposted 7 years ago

    Unless it is linked to a sensor, it does not.

    Most likely it has an app that islinked to a web service that accesses sensors scattered throughout the city.

 
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