How do I add or delete a location?

Tap the triangle in the top left corner of the main screen to get to the list of locations.

To add a location tap the "+" button and then enter the location's name in the search bar. Then choose a location from the suggested by tapping the line with its name and it will be added to the list.

To delete a location (or several of them) swipe the name of the location to the left and tap Delete button next to the location's name.