Forecasts for the City of Buenos Aires (CABA) and the Province of Buenos Aires (PBA) indicate the UV Index level Extreme (11+) for this Saturday, December 6, which presents a very high risk of burns and eye damage during a very short exposure period. It is recommended to avoid the sun in the middle of the day.
he National Weather Service (SMN) and other expectations indicate that The UV radiation level will be extreme (11+) in large part From the northern and central regions of the country, such as Misiones and Cuyo (San Juan), they demand special protection and a reduction in their numbers. Exposure to sunlight between 10 a.m. and 4 p.m..
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What is the UV Index and why is it important for health?
he Global solar UV index It is a standardized measure of the intensity of ultraviolet rays emanating from the sun that reach the Earth’s surface, and is linked to their effects on human skin. It is used by the World Health Organization and other agencies to alert the population to the need to adopt preventive measures.
Knowing this indicator is vital, because ultraviolet rays are invisible and imperceptible, but excessive exposure constitutes a health risk factor. The World Health Organization recommends applying preventive measures when the indicator reaches a value 3 (average) or higher. The higher the value, the greater and faster the potential damage to the skin and eyes.
The danger of the sun’s ultraviolet rays to health
Excessive exposure to ultraviolet radiation has proven negative health consequences. Acute exposure causes sunburn (erythema), while chronic and cumulative exposure over a lifetime is the primary cause of sunburn. Premature skin aging It plays a major role in Development of skin cancers (melanoma and non-melanoma), according to the World Health Organization and the Pan American Health Organization (PAHO).
In addition to skin risks, ultraviolet rays have an effect Harmful effects on the eyes and immune system. Prolonged exposure is linked to the development of cataracts, with up to 10% of cases attributed to ultraviolet radiation and other eye conditions that can cause blindness. Likewise, this radiation can suppress the skin’s immune function, increasing susceptibility to infection.
WHO/PAHO recommendations on personal care
At high, very high or extreme UV index levels, it is necessary to take precautions, especially between 10 a.m. and 4 p.m., when radiation is at its strongest. The World Health Organization and the Pan American Health Organization advise Limit time in the sunThey actively seek shade and use physical barriers for personal protection.
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Includes preventive measures Use Protective clothingsuch as long-sleeved shirts and pants, in addition to a Wide brim hat To protect the face, ears and neck. it is necessary Wear wraparound sunglasses Which guarantees 99% to 100% protection from UVA and UVB rays. finally, Apply a broad spectrum sunscreen generously With a sun protection factor (SPF) of 30 or higher, and reapply.