Beijing haze haze yellow warning this winter day or more than the same period in the past 10 years

October 18, 2016, after a brief sunny day, Beijing haze again struck, the public have joined the “masks army”, masks into the necessary equipment travel. Image from the East IC

18, the Beijing Meteorological Observatory once again issued a warning signal haze yellow is expected on the 18th to 19 in most areas of Beijing have moderate haze, heavy haze in the southern region.

This is the third time in Beijing this heavy air pollution process, as of now has launched two yellow warning, a blue warning to upgrade to yellow warning. It is reported that 10 months late to December, the Beijing-Tianjin-Hebei region is still weak cold air activity, high temperatures, humidity, weather conditions as a whole is not conducive to the proliferation of pollutants, haze, or more than the same period in the past 10 years.

Why haze again struck?

Ministry of Environmental Protection has recently informed of heavy pollution in Beijing, the special response to the emergency situation, pointing out that the urban and rural areas of Beijing and the suburbs of the emergency response plan is not implemented.

In the Ministry of Environmental Protection issued a special case of supervision, the Beijing heavy pollution weather there are three main reasons.

First of all, part of the city site in Beijing did not require the implementation of suspension, including Fengtai District, Daxing District, Tongzhou District and other parts of dust pollution has not been effectively controlled.

At the same time, the Ministry of Environmental Protection pointed out that motor vehicle pollution is the primary pollutant. Beijing has a large number of motor vehicles, with high intensity, heavy-duty diesel vehicles and long-life light vehicles pollution problems are more prominent.

According to statistics, Beijing has a vehicle population of more than 570 million, the emissions of nitrogen oxides and hydrocarbons accounted for 50% of air pollutants and about 40%.

Among them, more than 10 years of age of light vehicles up to more than 50 million vehicles, these vehicles account for 5 million of the proportion of light vehicles up to 40%. Heavy diesel vehicles to maintain more than 20 million vehicles, particulate matter and nitrogen oxides accounted for 90% of motor vehicle emissions and about 60%.

In the recent heavy polluting weather, the Environmental Protection Department and the Beijing Municipal Environmental Protection Bureau jointly carried out road test results show that the vehicle more than 10 years of high standard rate of vehicles; run mileage of more than 300,000 km of the taxi exceeded the rate of 80- 90%.

In addition, the special supervision of the situation shows that incineration and scattered coal pollution is still occurring, but also caused a major cause of haze and haze.

When can air quality get better?

At 16:00 on the 18th, the Beijing Meteorological Observatory once again issued a warning signal haze yellow is expected on the 18th to 19 in most areas of Beijing moderate haze, heavy haze in the southern region.

It is reported that the Beijing Municipal Environmental Protection Bureau has publicly said that the first three quarters of this year, the city’s cumulative concentration of PM2.5 62 micrograms / cubic meter, down 10.1%, heavy pollution, reduced 4 days, the air quality in good condition. However, into the fourth quarter, the air quality situation is not optimistic.

Earlier, the relevant person in charge of the Beijing Meteorological Observatory to the media, the meteorological department of the joint business that 10 months late to December, the Beijing-Tianjin-Hebei region is still weak cold air activity, high temperatures, humidity, weather conditions as a whole Is not conducive to the proliferation of pollutants, haze, or more than the same period in the past 10 years.

Is expected by the end of December to January next year, the atmospheric circulation adjustment, the cold air may be enhanced, diffusion conditions improved.

Beijing is expected to start in accordance with the new plan emergency warning

For the hail of continuous attack, the latest revision in 2016, “Beijing heavy pollution contingency plan” has been through the municipal executive council, Municipal Standing Committee to consider, and in accordance with the views of the revised and improved, has been submitted to the municipal government ready to issue. Beijing is expected to start in accordance with the new plan emergency warning.

It is understood that the electronic version of the plan has been issued to the member units, the relevant Commission is currently in the light of the city plans to revise their respective emergency plans, and improve the supporting industrial enterprises stop production, construction sites, key road accounts, lists and so on.

Beijing Municipal Commission of Transport will also develop a “Beijing Municipal People’s Government on the implementation of measures to deal with heavy air pollution, the temporary traffic management notice,” according to previous news, the motor vehicle limit line, the new plan will give priority to high-polluting vehicles to take control measures.

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