UV index forecast

North America and the Caribbean Central and South America Pacific Ocean Europe Far East and Polynesia Siberia and Japan Northern Africa Alaska and Canada Southern Africa Canada and Greenland Australia and New Zealand Northern Middle Asia Southern South America
Low Moderate High Very high Extreme Legend UV-index


Saint John's Nassau Belmopan Hamilton Santo Domingo Port-au-Prince Kingston Ottawa Edmonton Vancouver Havanna Ciudad de México San Juan Washington D.C. Los Angeles


Sun protection is required when the UV index is 3 or higher. The forecast for the daily maximum UV index is valid for cloudless conditions. Only thick clouds attenuate the UV radiation considerably.

*) Locations with both forecast and observation data available.