UK weather: What is the UV Index and why could it break UK records?
Briefly

The UK is expected to experience record UV levels, potentially reaching nine, due to rising temperatures and clear weather conditions. The UV Index measures ultraviolet radiation from the Sun and indicates increasing risks of sunburn and eye damage. Highest UV readings occur around solar noon, and levels typically peak in late June. Factors contributing to current high UV levels include exceptional ozone depletion during the winter and spring, paired with clear skies post-summer solstice, allowing for a more intense sun position.
The UV Index (UVI) is a global measure of ultraviolet radiation from the Sun, which can cause skin and eye damage. Index values range from zero to above ten, indicating potential harm intensity.
UV levels are typically higher in the summer months, with peaks around late June. The current weather in the UK could lead to some of the highest UV levels ever recorded.
Read at www.bbc.com
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