In the Application, delete the Air and Sky. Then delete the station.
Press the Gear icon in the upper left corner. Then press Stations, press the Station. Press Manage Devices, Left swipe each device to delete it. Then return to Stations and left swipe the station to delete it.
Next, reset the Air and Sky by pressing and holding the button (where the LED is) for 5 seconds. Then insert a paper clip to reset the Hub in the small hole above the LED on the Hub.