The daily UV index forecast is a prediction of the maximum UV strength for the day, which is usually reached in the early afternoon.
*Sources: https://www.coppertone.com/sunfacts/whydoyouneedsunscreen/ and https://www.epa.gov/sunsafety/uv-index-scale-0
Wear sunglasses on bright days and use broad spectrum SPF 30+ sunscreen.
Stay in shade near midday when the sun is strongest.
Reduce time in the sun between 10 a.m. and 4 p.m.
8-10: Very High
Seek shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses
11 or more: Extreme
Unprotected skin and eyes can burn in minutes. Avoid sun exposure between 10 a.m. and 4 p.m.