In the City of Buenos Aires (CABA) and the Province of Buenos Aires (PBA), a maximum UV index of 12 is expected, which is classified as extreme. At these extreme and sustained levels, special protection and avoidance of sun exposure around midday is required to prevent rapid damage to the skin and eyes, even on short, clear days.
At the same time it is National Weather Service (SMN) warns that a large part of Argentina’s territory will maintain a UV index forecast in the categories Very high (8 to 10) or extreme (11+) for this Sunday.
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What is the UV index and why is it important for health?
He World Solar Ultraviolet Index (UVI) is an internationally standardized measure that indicates the intensity of the sun’s ultraviolet radiation (UVR) that reaches the Earth’s surface. It is expressed on a numerical scale that generally ranges from 0 to 11+ Any increase in value means greater risk of skin and eye damage and a shorter time for this damage to occur. The IUV was developed by the World Health Organization (WHO), the World Meteorological Organization (WMO), the United Nations Environment Program (UNEP) and the International Commission on Non-Ionizing Radiation Protection (ICNIRP).
Knowledge of IUV is critical to public health because UV radiation cannot be seen or felt but has harmful biological effects. The scale classifies risk levels: Low (0-2), Medium (3-5), High (6-7), Very High (8-10) and Extreme (11+). Starting from the level Moderate (3 or higher)WHO recommends sun protection measures.
The danger of the sun’s ultraviolet rays to health
Excessive exposure to ultraviolet radiation is a known health risk factor. UV radiation, both natural from the sun and artificial (e.g. in solariums), is classified as carcinogenic to humans by the International Agency for Research on Cancer (IARC), which is part of the WHO. The negative effects are divided into acute, such as: B. sunburn (erythema), and chronic ones, which accumulate over time.
The most serious chronic damage includes the various types of skin cancer, including melanoma (the most dangerous) and basal and squamous cell carcinoma. In addition, UV radiation is a main cause of Photo aging (loss of elasticity and premature wrinkling). Eye damage such as cataracts (according to the WHO, responsible for up to 10% of all cases of blindness worldwide) and the weakening of the immune system.
It is essential for effective personal care and in accordance with WHO/PAHO recommendations Limit sun exposure especially during peak radiation hours They usually take place between 10:00 a.m. and 4:00 p.m. You should pay particular attention to shade and wear protective clothing that covers as much of your body surface as possible.
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Protective measures must be supplemented by the use of Wide brimmed hats to protect eyes, face and neck and sunglasses with certified protection of 99% to 100% against UVA and UVB rays. Finally, it is important to apply Sun protection Broad spectrum with a protection factor (SPF) of 30 or higher that is renewed every two hours.
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