HKO issues ‘Very Hot Weather’ warning

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The Hong Kong Observatory (HKO) issued the ‘Very Hot Weather Warning’ this morning, adding that the risk of a heatstroke was high today.

This is the eight consecutive day that the HKO had issued a “Very Hot Weather Warning” and temperatures today are expected to reached a high of 32 degrees Celsius.

The HKO urged members of the public who are engaged in outdoor work or activities to drink plenty of water and avoid over exertion.

“If not feeling well, take a rest in the shade or cooler place as soon as possible,” the HKO said.

“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,” it added.

The Observatory said loose clothing, suitable hats and UV-blocking sunglasses can reduce the chance of sunburn by solar ultraviolet radiation.

“Swimmers and those taking part in outdoor activities should use a sunscreen lotion of SPF 15 or above, and should re-apply it frequently,” the HKO said.

“Beware of health and wellbeing of elderly or persons with chronic medical conditions. If you know of them, call or visit them occasionally to check if they need any assistance,” it added.

The Labour Department also reminded employers and employees to take appropriate precautions to prevent heat stroke when working in a hot or humid environment.

“Heat stroke could occur if an employee works in a hot or humid environment for prolonged periods of time, as the body may fail to regulate its temperature by effective heat dissipation through sweating,” the LD said.

It said symptoms of heat-related illnesses include feeling thirsty, fatigue, nausea, vomiting, headache, dizziness, muscle spasm or even mental confusion, and loss of consciousness or convulsion in severe cases.

Construction workers, cleaning workers, kitchen workers and porters, for example, are more prone to heat stroke as they may be working for long hours in such an environment, especially if appropriate preventive measures have not been taken, the LD added.