UV Meter 1.0
the author of this app says:
The UVmeter© is an application for iPhone which uses different information such as luminosity, GPS position, and time of the day to detect current and maximum value of ultraviolet index.
Internet connection is needed for the work of the application. The connection is used to gather the most recent available conditions for your position.
The application records all the measured values and stores them in the application for later references.
- Requires iOS 4.0 or later.