Guangdong plans to implement the national six emission standards for motor vehicles on July 1

Source: Guangzhou Daily

31 micrograms per cubic meter. In 2018, the average annual concentration of PM2.5 in Guangdong hit a record low, and the blue sky defended the war to produce beautiful transcripts. On January 19th, the Guangdong Provincial Department of Eco-Environment held a press conference to inform the province's air quality situation last year and the blue sky defense war this year. The relevant person in charge of the Provincial Department of Ecology and Environment said that ozone has become the most important problem in the atmospheric management of our province in recent years. In 2018, the proportion of ozone as the primary pollutant is close to 60%, far higher than PM2.5. To this end, Guangdong plans to implement the national motor vehicle emission standards from July 1, 2019, in accordance with the original deployment.

Shanwei Zhanjiang Maoming air quality ranks in the top three

In 2018, the air quality of our province remained generally good, and the annual evaluation concentrations of the six pollutant indicators all reached the national secondary standard. The annual evaluation concentrations of PM2.5, PM10, NO2, O3-8h, SO2 and CO in the province were 31, 49, 28, 154, 10 μg/m3 and 1.1 mg/m3, respectively, with a year-on-year change of -6.1%. -3.9%, -3.4%, 0.7%, -9.1%, and -8.3%. The province's air quality excellent days ratio (AQI compliance rate) was 88.9%, down 0.5 percentage points from 2017; the Pearl River Delta region's air quality excellent days ratio (AQI compliance rate) was 85.4%, up 0.9 percentage points from last year.

Zhang Ruifeng, deputy director of the Department of Atmospheric Environment Management of the Provincial Department of Ecology and Environment, said that the annual assessment concentration of six pollutants in the province has reached the standard for four consecutive years. The indicators of atmospheric pollutants in the Pearl River Delta region have improved comprehensively compared with the previous year, the province and the Pearl River Delta. The average annual concentration of PM2.5 reached a new low. The average annual concentration of PM2.5 in Shenzhen, Huizhou, Zhanjiang and Shanwei remained below 30 μg/m3 for four consecutive years. The average annual concentration of PM2.5 in Guangzhou reached the standard for 2 consecutive years. Foshan The annual average concentration of PM2.5 in the city reached the standard for the first time. The average annual concentration of PM2.5 (23 μg/m3) in Shanwei City reached the second stage control target of the World Health Organization (WHO) for the first time, and it is also the current EU standard. All cities in the province ranked according to the comprehensive air quality index, Shanwei, Zhanjiang and Maoming ranked in the top three.

Ozone becomes the primary pollutant accounted for 59.6%

In the future, “Guangdong Blue” will be even bluer! The “Guangdong Province Winning Blue Sky Defence War Implementation Plan (2018-2020)” issued by the provincial government recently proposed a new goal of improving the province’s air quality: by 2020, the whole The ratio of air quality excellent days (AQI) reached 92.5%, and the average annual concentration of PM2.5 was controlled below 33 μg/m3, which basically eliminated heavy polluted weather. The average annual concentration of six basic indicators of listed air quality reached the national level. In the secondary standard, Shenzhen strives to reduce the annual average concentration of PM2.5 to below 25 μg/m3.

While the PM2.5 pollution problem has improved significantly, ozone is still a problem in Guangdong's air management. The data showed that the ozone concentration in the province increased slightly last year, and it was the only one among the six pollutants. The proportion of ozone as the primary pollutant in the air reached 59.6%, far exceeding PM2.5 (21.5%) and NO2 (occupied). 10.6%).

Whether to implement the National Six in advance? Hearing will be held

Motor vehicle exhaust is an important source of nitrogen oxide emissions in cities, and its emission reduction is important for ozone and PM2.5 treatment. In August last year, "Guangdong Province implemented the National Motor Vehicle Six-emission Standards Plan (Draft for Comment)", which required the implementation of the national six standards from July 1, 2019; Guangzhou and Shenzhen implemented the national six standards in advance. The specific date and requirements will be announced separately by the Guangzhou Municipal People's Government and the Shenzhen Municipal People's Government after approval by the provincial people's government. However, it is worth noting that this draft of the consultation has not been officially issued yet.

At the same time, Shenzhen is the first city in the province to implement the national six standards. It was originally scheduled to be implemented on January 1 this year, but Shenzhen will postpone the time until July 1 this year. The reason is to ease the inventory pressure of the dealer's “National Five” model, and also give the manufacturer more time to upgrade the product.

In November last year, the Guangzhou Municipal Government executive meeting reviewed and approved the "Guangzhou City's Work Plan for the Implementation of the National Sixth Emission Standard for Light Vehicles in Advance". At that time, it was expected to implement the light vehicle national six (b phase) emission standard from March 1, 2019. However, will Guangzhou implement the National Six in advance on March 1, and the relevant person in charge of the Guangzhou Environmental Protection Bureau will reply: “The final time of the municipal government will prevail.”

Then, will the time of implementation of the national six in the province be postponed? Yesterday, Li Zhiguang, director of the Department of Atmospheric Environment Management of the Provincial Department of Ecology and Environment, said that in view of the obvious problem of ozone pollution in our province in recent years, the province plans to follow the original plan on July 1 this year. The implementation of the national six motor vehicle emission standards will be held, and a hearing will be held.

Editor in charge: Cao Yu

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