Stunning, interactive, and fast Foreca worldwide weather maps including Doppler radar, temperature, precipitation forecast, cloudiness, and UV index.

2025年2月4日 · The Ultraviolet (UV) Index predicts the ultraviolet radiation levels on a 1-11+ scale. The UV Index provides a daily forecast of the expected intensity of UV radiation from the sun. Tip: If your ZIP code is not found, try searching for your city and state.

UV Index forecast for the next 14 days. Forecast for U.S..

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.

The clear-sky UV index is a measure for the effective UV irradiance (1 unit equals 25 mW/m2) reaching the Earth's surface. The clear-sky UV index is based on the CIE action spectrum for the susceptibility of the caucasian skin to sunburn (erythema) and it is valid for cloud-free conditions at local solar noon, i.e. when the sun is highest in ...

United States UV Index updated daily. Detailed UV forecast charts, with today's ultraviolet radiation in real-time

Interpreting today's hourly UV Index data, along with tomorrow's UV index and a full forecast and history, anywhere in the world. This app provides UV Index data and forecasts for estimating sun protection needs, safe sun exposure time, recommended sunscreen usage, and tanning.

UV Index Worldmap The Global Solar UV Index (UVI) is a simple measurement of the UV radiation level at the Earth's surface. It has been designed to indicate the potential for adverse health effects and to encourage people to protect themselves.

the index below will update to your current location. you can search a new location in the search bar. UV Index Interpretation. 1-2 (Low) Green: Safe to stay outside. Those that burn easily should protect with 30+ SPF sunscreen, brimmed hats, and sunglasses. Be careful in the winter! Sunlight reflected off snow can double the SPF.

Maps. Below you find regional maps of the 9-day UV index forecast. Download links of these maps are given as GIF and PDF files. All maps are made with the default TEMIS colour map, while todays map (top-left) is also given with the WHO colour map. (see notes on the UV index colour bar). Data. Daily data can be downloaded in the form of HDF-4 ...