Yunnan UV intensity ranking

Second place. Lhasa, Yunnan, Guangxi, and Guizhou are ranked among the cities with strongest UV rays in the country. The intensity of ultraviolet rays is divided into 5 levels: Level 1 is the weakest, showing rain; Level 2 is weak, showing cloudy weather; Level 3 is medium, showing cloudiness, and occasionally a little sun can be seen from the clouds; Level 4 is strong, showing For sunny days. Level 5 is the strongest and usually manifests as particularly sunny weather.