For the city of Buenos Aires and the suburbs a maximum UV index of 11which reaches the “extreme” category. Despite the slight thermal relaxation, solar radiation will be very aggressive between 11 a.m. and 4 p.m.
This is what the National Weather Service warns In the north and in Cuyo the values will be extremeReach 12 or 13. In Patagonia the index remains “very high” and requires special protection throughout the national territory.
What is the UV index and why is it important for health?
ANDl UV index is a international standard measure of the intensity of ultraviolet radiation emitted by the sun on the earth’s surface. It is expressed as a number that indicates the risk of damage to the skin and eyes: the higher the number, the shorter the time required for an injury to occur. The levels are divided into categories ranging from low (1-2) to extreme (11 or more).
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Extreme radiation warning at the beginning of the year: The UV index will reach dangerous levels in large parts of the country
According to the World Health Organization (WHO), knowledge of this index is crucial for the population to adopt preventive behaviors. Ultraviolet radiation is a health risk factor which cannot be perceived by heat or luminosity, as UV rays can penetrate through bright clouds. Therefore, the index acts as a public health tool to reduce the incidence of diseases associated with unprotected sun exposure.
The danger of the sun’s ultraviolet rays to health
Excessive exposure to UV radiation causes immediate and chronic damage to the body. Acute effects include, according to the Pan American Health Organization (PAHO). painful sunburn and eye diseases like photokeratitis. In the long term, cumulative damage to the DNA of skin cells increases the risk of developing various types of skin cancer, including melanoma, which can be fatal.
In addition to the oncological risks, the WHO points this out UV radiation is responsible for premature skin aging and serious vision problems such as cataracts, which are the leading cause of blindness worldwide. In addition, prolonged exposure can suppress the effectiveness of the immune system and reduce the body’s ability to defend itself against certain infections and diseases.
To minimize these risks, the WHO and PAHO recommend Avoid direct sunlight during peak hoursgenerally between 10:00 a.m. and 4:00 p.m. It is important to seek shade and wear protective clothing, such as: E.g. long-sleeved shirts, long pants and wide-brimmed hats that cover the face, ears and neck. Sunglasses with certified UV filters are also essential to protect the retina and lens.
Additionally, The use of broad-spectrum sunscreens is recommended. Apply to all exposed skin areas with a sun protection factor (SPF) of 30 or higher. The cream should be applied 20 minutes before exposure and renewed every two hours, or more frequently if exercising or entering water. It is important to pay special attention to children and babieswhose skin is much more susceptible to permanent damage.
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