Is Guiyang strong in ultraviolet rays?

Strong. According to the weather forecast, as of July 5, 2023, Guiyang has strong ultraviolet rays, so it is recommended to do a good job of sun protection and go out lightly. When ultraviolet rays irradiate the human body, it can promote the synthesis of vitamin D to prevent rickets, and it also has bactericidal effect. Wards in hospitals are disinfected by ultraviolet rays, but too strong ultraviolet rays will do harm to human body, so we should pay attention to protection.