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Environmental information systems
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The viewer provides the maximum daily value of clear-sky and total-sky UV Index (based on satellite data processed by CAMS and utilising WHO methodology) as an indication of the amount of the UV radiation across Europe forecasted for the next four days.
Use this icon to select the date, UV index and region of interest
Click on this icon to view the map in full screen mode
By clicking on the map, the UV Index maximum values for a given location can be viewed, accompanied by a chart showing changes in hourly UV Index values over the forecast period.
The meaning of UV index values
| UV Index | Exposure category | Sun protection needed |
| 0 | Minimal | No protection required |
| 1 - 2 | Low | No protection required Being outside is safe |
| 3 - 5 | Moderate | Protection required Shirt, sunscreen, and sunglasses recommended when being outside. |
| 6 - 7 | High | Protection required During midday hours, staying in shade advised. In the sunshine, shirt, sunscreen, hat and sunglasses recommended |
| 8 – 10 | Very high | Extra protection required Staying inside recommended between 11 - 16. During those hours, even in shade, long-sleeve shirt, long trousers, sunscreen, wide-brimmed hat and sunglasses are recommended. |
| 11+ | Extreme | Extra protection required Staying inside between 11 – 16 and seeking shade beyond those hours is recommended. Even in shade, long-sleeve shirt, long trousers, sunscreen, wide-brimmed hat and sunglasses are essential. |
Source: WHO et al., 2002 and DWD
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This translation is generated by eTranslation, a machine translation tool provided by the European Commission.