See real-time air quality index (AQI) readings from PurpleAir sensors around the world.

Widgets enable you to get a map of real-time AQI readings directly on your home screen.

The Air Quality Index (AQI) tells you how clean or polluted your air is and what associated health effects might be a concern for you. This app displays AQI readings from PurpleAir, a collection of air quality sensors run by enthusiasts and air quality professionals around the world.

版本更新内容:
With this release, you can toggle between the default EPA air quality readings and the raw PurpleAir air quality numbers that you see on the PurpleAir web site.

While the EPA numbers more accurately represent US EPA air quality, so many users have