Paku for PurpleAir
Weather, Utilities, and Health & Fitness
Paku is the best app for checking PurpleAir. View sensors on a map, filter by indoor or outdoor sensors, and choose from AQAndU or EPA Wood Smoke normalization.

Paku also provides a widget that lets you keep an eye on the AQI near you.
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Kyle Bashour
iOS Engineer @ Square, building apps in my free time