Among the affected territories are Buenos Aires, La Pampa, Río Negro, Neuquén, Mendoza, San Luis, Santa Fe, Entre Ríos, Córdoba, San Juan, La Rioja, Catamarca, Chaco, Formosa and Salta.
On Friday, the city of San Juan (center) registered 42.2 degrees Celsius, while 27 other localities registered temperatures between 36 and 40.
Santiago del Estero reached 41.8; La Rioja 41.2; Las Lomitas 40.8 and San Martin 40.6.
According to the SMN, the red level indicates very dangerous temperatures that can affect all people, even healthy ones.
Its report is intended to ensure that the population, health, civil protection, emergency and disaster risk management agencies take preventive, mitigation and response measures.
Among the recommendations made to citizens are to increase water consumption, pay special attention to children and the elderly, avoid caffeinated beverages and avoid exposure to the sun between 10:00 local time and 16:00.
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