The Very Hot Weather Warning is now in force. Under the influence of prolonged heat, members of the public should stay on the alert to prevent potential heatstroke or other discomforts related to very hot weather and pay due attention to health conditions. If symptoms such as dizziness, headache, nausea, shortness of breath or confusion develop, take rest and seek help immediately, and seek medical advice as soon as possible. When engaged in outdoor work or activities, drink more water and avoid over exertion. If not feeling well, take a rest in the shade or cooler place as soon as possible. Perform outdoor activities in the morning or late afternoon. During indoor activities, replenish water timely. People staying indoors without air-conditioning should keep windows open as far as possible to ensure that there is adequate ventilation. Avoid prolonged exposure under sunlight. Light-coloured and air-permeable clothing, wide-brimmed hats and ultraviolet (UV) blocking sunglasses can reduce the chance of sunburn by solar UV radiation. Use a broad-spectrum sunscreen lotion of a Sun Protection Factor (SPF) 15 or above generously. Apply again if you stay out in the sun for more than two hours and after swimming, sweating, or towelling off. Beware of health and wellbeing of elderly or persons with chronic medical conditions. If you know of them, call or visit them occasionally and check whether their household ventilation and air-conditioning devices function properly. Elderly persons or persons with chronic medical conditions should avoid outdoor activities and stay away from hot environment as far as possible. Stay in cool, well-ventilated or air-conditioned places. The obese, those with chronic illnesses, such as heart disease or high blood pressure, the elderly and children are more vulnerable to heat stroke. In very hot weather, they should pay special attention and observe any symptoms of heat stroke timely. Dispatched by Hong Kong Observatory at 16:20 HKT on 25.06.2022
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