Classification standard of high temperature early warning grade

The warning level of high temperature weather is divided into three levels, which are represented by yellow, orange and red respectively.

Among them, the standard of high temperature yellow warning signal is: the daily maximum temperature is above 35℃ for three consecutive days; The standard of high temperature orange warning signal is: the maximum temperature rises above 37℃ within 24 hours; The standard of high temperature red warning signal is that the maximum temperature rises above 40℃ within 24 hours.

Meteorology, when the temperature is above 35℃, it can be called "high temperature weather", and if the highest temperature exceeds 35℃ for several days, it can be called "high temperature heat wave" weather. Generally speaking, there are usually two kinds of high temperature, one is dry heat and high temperature with high temperature and low humidity; The other is hot and humid, which is called "sauna day".

High temperature prevention measures

1, try to avoid or reduce outdoor activities during the day, especially when 10- 16, don't go out to exercise and work in the scorching sun.

2. It is not advisable to sleep on the balcony, under the tree or in the open air. Go to bed late and get up early, and take a nap at noon.

3. Wear straw hats, light clothes and drink water when working outdoors.

When you are sweating all over, don't take a bath with cold water immediately. You should dry your sweat first, take a rest and then take a bath with warm water.

5, air conditioning temperature should be controlled at 26 ~ 28℃, indoor and outdoor temperature difference should not exceed 8℃. When the air conditioner is running, try to avoid the cold air from the air supply outlet blowing directly on the head or on a certain part of the body for a long time. Open doors and windows regularly for ventilation.

6. Pay attention to food hygiene. Drink plenty of water, add more than 2000 ml of water every day, mainly warm and salty boiled water or tea, and eat more fruits and fresh vegetables.

7. Spend the summer quietly, avoid impatience, rest with peace of mind and enjoy it.