The UV Index, or UV Index for short, is a measure of the ultraviolet (UV) rays that affect our skin and eyes. It is a useful way to gauge whether the sun will be harmful or not. Typically, a value of 0-2 is considered safe. A value of 11 or more is extremely dangerous, and extra precautions should be taken to minimize exposure. Cover up, use a wide-brimmed hat and sunglasses, and apply sunscreen with an SPF of at least 30 liberally every 2 hours. Beachgoers should remember that white sand and other bright surfaces reflect UV. This increases UV exposure, so try to limit your time in the sun between 10 a.m. and 4 p.m. If necessary, use shade and seek out protected areas.
Usually, we focus on checking the weather forecast to see if it will rain, but we should also keep an eye out for the UV Index in the weather report. The UV Index is a helpful indicator of the intensity of UV rays, which can cause serious health effects such as dermatitis, eczema and cancer.
