What is the UV index?
CancerThe UVI is a measure of the level of UV radiation.
The values of the index range from zero upward - the higher the UVI, the greater the potential for damage to the skin and eye, and the less time it takes for harm to occur.
The UVI is an important vehicle to alert people about the need to use sun protection.
A marked increase in the incidence of skin cancer in fair-skinned populations worldwide is strongly associated with excessive UV radiation exposure from the sun and possibly artificial sources such as sunbeds. Current evidence indicates that personal habits in relation to sun exposure constitute the most important individual risk factor for UV radiation damage.
The UV Index is an important vehicle to raise public awareness of the risks of excessive exposure to UV radiation, and to alert people about the need to adopt protective measures. As part of an international effort, the UV index was developed by WHO, the United Nations Environment Programme, and the World Meteorological Organization. Encouraging people to reduce their sun exposure can decrease harmful health effects and significantly reduce health care costs.
How can the UV index help me to protect myself?
The UVI gives an indication of the level of UV radiation and the potential danger of sun exposure. It can help individuals make healthy choices.
Most people are used to adjusting their daily plans and choice of clothing to the weather forecast, especially to temperature predictions. Analogous to the temperature scale, the UVI gives an indication of the level of UV radiation and the potential danger of sun exposure. It can help individuals make healthy choices.
Step 1: Find out today’s UV Index
Step 2: Check out the recommended sun protection.
UV index | Action |
0 to 2 | You can safely enjoy being outside! |
3 to 7 | Seek shade during midday hours! Slip on a shirt, slop on sunscreen and slap on hat! |
8 | Avoid being outside during midday hours! Make sure you seek shade! Shirt, sunscreen and hat are a must! |
Even for very sensitive fair-skinned people, the risk of short-term and long-term UV damage below a UVI of 2 is limited, and under normal circumstances no protective measures are needed. If sun protection is required, this should include all protective means, i.e. clothing and sunglasses, shade and sunscreen.
Where is the UV index reported?
In many countries the UVI is reported along with the weather forecast in newspapers, on TV and on the radio; however, this is usually only done during the summer months.
UV Index reporting for a range of countries and in many different languages.
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