What is the UV index? a measure of the level of UV radiation; the values of the index range from zero upward - the higher the UVI, the greater the potential for damage to the skin and eye, and the less time it takes for harm to occur; an important vehicle to alert people about the need to use sun protection.
UV Index Today provides national and local UV index forecasts for 40,000+ cities in the United States. Our forecasts include the real-time UV index, the hourly UV index, and the UV Index forecast for the next five days.
Check the accurate UV index today and hourly UV forecast for your location. Protect your skin with real-time, local ultraviolet radiation tracking.
United States UV Index updated daily. Detailed UV forecast charts, with today's ultraviolet radiation in real-time
Ultraviolet index Average UV at solar noon 1996-2002 (European Space Agency) The ultraviolet index, or UV index, is an international standard measurement of the strength of the sunburn -producing ultraviolet (UV) radiation at a particular place and time. It is primarily used in daily and hourly forecasts aimed at the general public.
Search for Today's UV Index Search for today's UV Index by zip code or by city and state UV Index Information Answers to common questions about the UV Index and UV radiation A Guide to the UV Index Brochure developed by EPA for meteorologists, educators and public health officials on recommendations for reporting the UV Index.
This app provides UV Index data and forecasts for estimating sun protection needs, safe sun exposure time, recommended sunscreen usage, and tanning.