【實用工具app】theAir|最夯免費app-綠色工廠好玩App

USAir, an app tell you what current air quality in you city now.Jogging, bike ridding are good aerobics for you, but don't let bad air quality harm you, before your outdoor excise, check the air out.Feature:* simple,learnless UI, * support most city of american.* refresh when you lunch it.* tweet it, tell your friend about it,have a jogging.