Beijing issues another “red alert” and restricts traffic on odd and even numbers for 4 days starting from today
The "red alert" lasted for 89 hours from 7:00 today to 24:00 on the 22nd, with the peak of pollution on the 22nd; the city's primary and secondary schools and kindergartens "suspended classes but did not stop learning"
Last night, in the north of Shuangjing Bridge on the East Third Ring Road, a roadside display screen prompted "Vehicles with odd numbers will be operating in the city from 7 to 24:00 on the 19th." Photo by Beijing News reporter Lu Shuchan
Beijing issued a red warning for heavy air pollution at 7 o'clock yesterday. The city will launch red warning emergency measures for heavy air pollution from 7 o'clock today to 24:00 on the 22nd, including city-wide motor vehicle Odd and even number restrictions, etc. The Municipal Education Commission issued a notice requiring primary and secondary schools and kindergartens to "suspend classes without suspending learning." This is the second red alert for heavy air pollution issued by Beijing this month. 11 days ago, Beijing launched the first "red alert" in history, which lasted for 53 hours, and this red alert will last for 89 hours. The pollution peak of this round is expected to be on the 22nd. Affected by strong cold air, this round of haze will end on the 23rd.
As of 14:00 yesterday, 12 cities in Beijing, Tianjin, Hebei and surrounding areas had issued emergency warnings for heavy air pollution. Among them, Beijing issued a red alert; Tianjin launched a yellow alert for heavy air pollution at 7 o'clock today. As of 0:00 yesterday, red alerts were activated in Handan and Baoding in Hebei Province, and orange alerts were activated in eight cities including Xingtai, Shijiazhuang, Hengshui, Langfang, Cangzhou, Tangshan, Dingzhou, and Xinji.
Meteorology
Next Tuesday is expected to be the most polluted
Yesterday morning, the overall air quality in Beijing's urban area was good, but the southern suburbs were already at heavy pollution levels. At 8 o'clock yesterday, the hourly PM2.5 concentration in the sixth district of the city was 60 micrograms/cubic meter, while the figure in the southeast was 173. Yesterday, Beijing as a whole was at moderate to severe pollution levels.
Starting today, the air quality will gradually reach and maintain severe pollution levels. The Central Meteorological Observatory predicts that from the 20th to the 21st, there will be light to moderate haze in Beijing and severe haze in the southern region. There will be moderate haze on the 22nd, and severe haze in the central and southern regions. The minimum visibility is about 1 km. There will be continuous heavy pollution. The average PM2.5 peak concentration in the urban area will exceed 300 micrograms/cubic meter. The peak concentration at individual stations in the southern region will exceed 500 micrograms/cubic meter. This round of pollution is expected to exceed the pollution process from the 6th to the 10th of this month.
According to predictions from the Beijing Environmental Protection and Meteorological Department, Beijing’s air diffusion conditions will further deteriorate on the 20th, with southerly winds prevailing. Regional pollutants are prone to accumulate in the Beijing area, and the humidity is relatively high. It is expected to be at low temperatures throughout the day. Severe pollution levels.
On the 21st, due to the influence of a weak high pressure system in some northern areas in the morning, the humidity dropped slightly and the diffusion conditions improved. However, the diffusion conditions in the urban and southern areas were average, and the city's air quality is expected to remain the same throughout the day. Severe pollution levels.
On the 22nd, controlled by the low-pressure system, the southerly wind was dominant, the humidity increased significantly again, there was a temperature inversion, and local diffusion conditions were poor. At the same time, regional high-concentration polluted air masses will continue to be transmitted to Beijing. The convergence will further push up the PM2.5 concentration level in Beijing, and the air pollution is expected to be at a severe to severe pollution level.
It is currently expected that a strong cold air will affect Beijing in the early morning of the 23rd, and the air quality will gradually improve from north to south.
Travel
The number ending in "1" will be restricted on Tuesday and Wednesday next week
From 7:00 today to 24:00 on the 22nd, on roads within the administrative area of Beijing, Motor vehicles will be driven on odd-number days and even-number days according to the last number of their license plates.
The traffic control department explained in detail the four-day traffic restriction method. The rules of driving single-numbered vehicles on single days and even-numbered vehicles on even days are still adopted. The odd numbers are 1, 3, 5, 7, and 9. Even numbers are 2, 4, 6, 8, and 0. "2002" type number plates and motor vehicles with license plates ending in English letters are managed as even numbers. During the four days, motor vehicles with odd numbers and even numbers cannot drive for two days respectively.
It should be noted that since the red alert is activated from 7 o'clock today, the traffic restriction time today is from 7 o'clock to 24 o'clock. The restricted traffic hours on Sunday, next Monday and next Tuesday are from 3:00 to 24:00 every day, and the restricted range covers roads within the city's administrative area.
The most "unlucky" traffic restrictions this time are the motor vehicles with the last number "1". After the "red alert" was lifted on Wednesday, the five-day traffic restriction measure with the last number was restored. Vehicles with the last number 1 and 6 on that day Motor trains are not allowed to drive on the road. In addition, on Tuesday, cars with odd numbers are restricted. Vehicles with the last number 1 will be restricted for two consecutive days on Tuesday and Wednesday.
Schools
Schools need to confirm that children are supervised
The Municipal Education Commission issued a notice yesterday that during the "red alert" period from today to the 22nd, primary and secondary schools, kindergartens, and children's palaces , secondary vocational schools and off-campus educational institutions have suspended classes, and colleges and universities have suspended sports activities, community activities, social practice activities, etc.
During this period, primary and secondary schools and kindergartens will "continue learning even if classes are suspended." Teachers must rationally adjust teaching methods, flexibly arrange learning content, and guide students to make full use of the Beijing Digital School network platform and digital resources to carry out independent learning.
The relevant person in charge of the Municipal Education Commission said that in response to the problems discovered during the implementation of the first red alert, it was emphasized that all primary and secondary schools and kindergartens should arrange for head teachers to contact every student, parent or guardian to confirm that the child is supervised .
For children who do not have the conditions for supervision at home and need to be sent to school, the school must ensure that the study and life of the students are properly arranged after confirming with their parents.
Different from the first "red alert", the notice issued by the Municipal Education Commission also made it clear that individual private schools and international schools with protective conditions can make flexible arrangements according to the situation.
In addition, according to the Municipal Children's Palace, after the "Red Alert" is activated, the large-scale school celebration performances originally planned to be held on the weekend have been cancelled, and classes in art, dance, etc. will also be suspended in accordance with the requirements of the Municipal Education Commission's Red Alert. In the future, the course schedule will be postponed to complete the courses.
Follow-up question 1: Why did the blue sky issue a "red alert" yesterday?
Yesterday, the southern part of Beijing was severely polluted, but the air quality in the northern part was excellent. Today, especially in the first half of the day, the overall air quality in Beijing will be at a moderate pollution level. Why was the red alert for heavy air pollution issued early at 7 o'clock yesterday and implemented early at 7 o'clock today?
Wang Bin, director of the Emergency Department of the Beijing Municipal Environmental Protection Bureau, said that according to forecasts, Beijing's air quality will gradually reach severe pollution levels this afternoon and last for many days, which is why a heavy pollution red alert was issued. According to the "Beijing Heavy Air Pollution Emergency Plan", orange warnings and red warnings should be issued to the public 24 hours in advance. It was released at 7 o'clock yesterday and launched at 7 o'clock today, which meets the requirement of "24 hours in advance" release.
Wang Bin said that when the mandatory emission reduction measures of this "red alert" were launched at 7 a.m. today, the city may not have reached severe pollution levels. However, initiating the red alert emergency measures half a day in advance will help reduce emissions, reduce the rate of accumulation of pollutants, reduce pollution peaks, and also help remind the public in advance to make good health protection and travel arrangements.
Following question 2: Why does smog kill people again?
Since yesterday, the weather situation in North China has stabilized and regional air pollution has occurred. In addition to Beijing, many places in Tianjin and Hebei are also affected by pollution.
Affected by this, the weather in Beijing will become calm, the cold air will weaken, the humidity will increase, the temperature will rise, and the temperature inversion will strengthen. Therefore, starting today, the air quality will gradually reach and maintain severe pollution levels.
According to the environmental protection department, this heavy air pollution has the characteristics of "large scope, wide spread, and long duration". The pollution scope covers the entire North China region and is a regional pollution. Due to the overall unfavorable diffusion conditions, the transmission speed is relatively slow. Specifically, Beijing will show a state of slow and continuous pollution from south to north.
Follow-up Question 3: Is air pollution getting worse this winter?
Since Beijing had an emergency plan for heavy air pollution, Beijing has never activated a red alert before. However, this month, it has been activated twice, 11 days apart. Is Beijing’s air pollution getting increasingly serious this winter?
Wang Bin said that activating the red alert does not mean that the air quality will gradually deteriorate. In March this year, after the "Beijing Heavy Air Pollution Emergency Plan" was revised, the threshold for initiating red alerts was significantly lowered. The red alerts that previously required three consecutive days of severe level 6 pollution can now be activated only if level 5 pollution lasts for more than 3 days. start up. That is to say, the current threshold for triggering a red alert is equivalent to the threshold for triggering an orange alert or even a yellow alert in the original plan before the revision.
Wang Bin said that so far, Beijing has launched 16 heavy air pollution warnings this year ***, with 35 days of heavy air pollution, which is still a decrease from the number of heavy pollution days last year. Last year, the number of heavy air pollution days was still The number of days is 45 days.
■ Analysis
The National Climate Center analyzes the reasons for the recent haze in Beijing, Tianjin and Hebei
Low wind, high humidity, calm and stable weather
(The above answers were published on 2015-12-19. Please refer to the actual relevant current home purchase policies)
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