Air Quality CN vs AirPro AQI Usage & Stats

People are becoming increasingly concerned about the air quality in China nowadays. This app help you to track real-time PM2.5 index of most of the cities in China. Helpful tips: -Tap the plus sign to add cities. -Tap the menu sign to remove cities. -Swipe left-to-right to move between locations. Hope it helps and feel free to give me feedback here http://leancodingnow.com/. Thanks Yi for helping with the design.