- Seriously Shady - UV index, information on ultraviolet rays- how to protect yourself.
- Sunshine Applet - Interactive Java applet displaying the hours of most intense sunlight and UV radiation for any location and time worldwide.
- NOAA: Current UV Index Forecast - US map showing stratosphere UV intensity. Compiled by the National Oceanic and Atmospheric Administration (NOAA) and the Environmental Protection Agency (EPA).
- Autralian UV Forecast Chart - Compiled by the Commonwealth Bureau of Meteorology (BoM) to represent the predicted UV intensity for noon the next day.
- EPA SunWise: UV Index - US map providing four day predicted forecast showing UV intensities at solar noon. Compiled by the Environmental Protection Agency (EPA).
- USA Ultraviolet Index - Selected Cities. From NOAA.