UVAlert provides real-time UV index information based on your location. It also provides hourly UV index forecast information for any date in the future.

Built with OpenUV, UVAlert uses data based on publications from the Royal Netherlands Meteorological Institute (KNMI), the National Institute of Water and Atmospheric Research (NIWA) of New Zealand, and near-real-time Ozone datasets from OMI, AURA Satellite, and NASA.

Stay safe in the sun with help from UVAlert.