Many people mistakenly believe risk of UV damage is highest at midday between the hours of 10 am and 2 pm.
While it's true that the sun generally is highest in the sky at this time, increasing the intensity of UV rays, risk of eye damage from UV may be greater earlier in the morning and later in the afternoon.
According to a study conducted by the World Health Organization, during the early morning hours (8 to 10 am) and early afternoon (2 to 4 pm) your eyes receive almost double the amount of UV than during the midday hours (10 am to 2 pm).
The takeaway is, don't be fooled into thinking that only the traditionally warmest part of the day poses the greatest UV risk to your eyes. It's important to properly protect your eyes at all times when outdoors.
UV Map Index: See today's local UV levels.