Beijing's first high temperature warning this year, is the average temperature getting hotter in summer?

The rising temperature and high temperature in summer also remind us to pay attention to heatstroke prevention. Recently, the Beijing Meteorological Bureau issued the latest high temperature warning about Beijing, so let's take a look at the first high temperature warning in Beijing this year and the average temperature in summer according to the current urban culture!

Beijing issued the first high temperature warning

According to the official news of Beijing Meteorological Bureau, Beijing Meteorological Observatory issued a yellow warning signal of high temperature on May 2 1 day 16: 30. It is estimated that the daily maximum temperature in most parts of Beijing will reach above 35℃ from 22nd to 25th, and the local maximum temperature will reach above 37℃ on 23rd.

Summer in Beijing is getting hotter and hotter.

In the past 198 1 year, the number of high temperature days in Beijing from May to August became more and more frequent, especially since the end of 1990s, the annual average number of high temperature days exceeded 10 days, with a maximum of 26 days a year.

What's the average temperature in summer of beijing? The highest temperature is in July.

In Beijing, the hottest time of the year is July, and the total number of hot days is more than that in June and August. From 1997, the number of high temperature days gradually increased. 20 17 In the middle of July, the number of days with the temperature higher than 35℃ has been 6 days, 2 days more than normal. The average summer temperature in July this year is 33℃, while the average summer temperature in June is 32℃, so in July, preventing high temperature is the theme.

The urban heat island effect is obvious. Yanqing is the coolest.

In the past 30 years, Beijing's "urban heat island effect" has been remarkable. The average temperature in July in six districts of Beijing is relatively high, especially in Dongcheng, Xicheng, Fengtai and Tongzhou, which exceeds 26.7℃, followed by Daxing, Shijingshan, Haidian, Shunyi, Fangshan, Changping and Chaoyang, and Miyun and Yanqing are the coolest.

In the past 30 years, the total number of high temperatures lasting more than 3 days in Beijing from June to August was 27, the longest one occurred in 1999 8 days, and 20 of them occurred after 2000. In June and July of 20 17, high temperature lasted for more than 3 days respectively. (Note: the maximum daily temperature in high temperature is ≥35℃)

Tips for heatstroke prevention

Ordinary drinking water

The most important thing for heatstroke prevention in summer is to replenish water in time. To maintain adequate water consumption in the body, it is recommended to drink more boiled water, slightly salty boiled water and tea, but less drinks, because drinks contain a lot of saccharin and electrolytes, which will have adverse effects on the stomach.

Eat more fruits and vegetables with high water content.

Vegetables with high water content are: wax gourd, cucumber, tomato, towel gourd and bitter gourd.

Fruits with high water content are: watermelon, lemon, orange and pear.

In hot summer, the human body's resistance is the weakest moment. At this time, we should eat more fruits and vegetables to supplement vitamins and water, improve immunity and prevent diseases. And eat more meat food, such as chicken, duck, goose and fish, to promote the body's metabolism.

Don't do strenuous exercise.

Summer is the highest temperature of human body. At this time, if you stop to rest immediately after strenuous exercise, it will lead to a drop in blood pressure, and may also cause symptoms such as palpitation, shortness of breath, dizziness, pale face or shock and fainting. To prevent this incident, we should do some small exercises after strenuous exercise, so that breathing and heartbeat can slowly return to normal before stopping to have a rest.

The indoor and outdoor temperature difference should not be too large.

The temperature difference between indoor and outdoor should not be too large, and it is most suitable within 5 degrees, because the human body itself has the function of regulating temperature. If you are expected to be under air conditioning for a long time, the temperature difference between indoor and outdoor is too large, and the contrast between sudden cooling and sudden heating is large, which will make the human body's adjustment function disorder.

Don't take a long nap.

In summer, people will feel very tired, and people will feel sleepy and weak. Taking a nap at this time is the best way to get rid of it, but once you fall down, you don't know. Taking a long nap will deepen the inhibition of the central nervous system of the brain, make the capillaries of the brain close for too long, reduce the blood flow of the brain, and gradually slow down the metabolism of the human body, leading to more fatigue after waking up. But you can't stay up late, you must ensure adequate sleep quality.

Prepare sunscreen equipment when you go out.

It's best not to go out in summer, and wait until the coolest time in the evening to go out for a walk. If you have to go out, take protective measures. If you wear umbrellas, sun hats and sunglasses, you'd better apply some sunscreen.

Carry heatstroke prevention and cooling drugs with you.

The medicines for heatstroke prevention and cooling are: Huoxiang Zhengqi Oral Liquid, Ten Drops of Water, Ren Dan, Cooling Oil, Essential Oil, Fangxue Powder, Shuzheng Tablets, etc.

In order to prevent accidents, please bring some of the above drugs; In addition, in summer, we should drink more Chinese medicines to relieve summer heat and reduce fire, so as to achieve the purpose of heatstroke prevention.