UV Index Pro is a nice application that displays the maximum and the current values of the ultraviolet index. This accurate measuring tool (portrait orientation, Android 6 or newer) works on the tablets, phones and smartphones that are connected to the Internet. At first, it gets the local coordinates (latitude and longitude) from your device's GPS and then retrieves the UV index from an Internet server. The value of this index is given according to the international standard and represents the strength of the sunburn-producing ultraviolet radiation at your location (its current intensity). However, the real UV index depends on many factors, such as: the angle of the Sun in the sky (current hour), stratospheric ozone, cloud conditions, air pollutants. More important, you have to know that the reflection from snow or other bright surfaces like water, sand, or concrete can nearly double this index.

Features:

-- Five day forecast
-- instant display of the UV index for your current location
-- graphic display of the current index versus time
-- no ads, no limitations
-- only one permission is required (Location)
-- this app keeps the phone's screen ON
-- the color of the Sun's surface follows the UV index
-- the value of UV index can be said in English
-- recommendations for protection