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MEP releases the air quality status of key regions and 74 cities between Jan. and Nov. and in Nov.

MEP released to the news press the air quality status of domestic cities and cities seated in Beijing-Tianjin-Hebei area, Yangtze River delta, Pearl River delta, as well as municipalities directly under the Central Government, provincial capital cities, and cities separately listed in State plans between Jan. and Nov. and in Nov..

According to Luo Yi, Director General of the Ministry’s Department of Environmental Monitoring, the percentage of the days recorded with clean or fairly clean air averaged out at 80.5 per cent among the 338 cities at or above the prefectural level between Jan. and Nov., up 2.6 percentage points year on year. The mean PM2.5 reading registered 44 μg/m3, down 8.3 per cent. The data for PM10 was 79 μg/m3, down 7.1 per cent. The percentage of the days recorded with clean or fairly clean air averaged out at 71.6 per cent among those cities in November, down 7.5 percentage points year on year. The mean monthly PM2.5 reading registered 58 μg/m3, up 7.4 per cent from the same month last year. The data for PM10 was 100 μg/m3, up 20.5 per cent.

Measured by the urban AQI readings, the top 10 cities recorded with fairly poor air quality (ranking from the 74th to the 65th) were Baoding, Shijiazhuang, Xingtai, Tangshan, Handan, Hengshui, Zhengzhou, Jinan, Taiyuan, and Xi’an between Jan. and Nov.; and Shijiazhuang, Taiyuan, Baoding, Xingtai, Lanzhou, Tangshan, Handan, Xi’an, Hengshui, and Zhengzhou in Nov..

The top 10 cities recorded with fairly good air quality (ranking from the 1st to the 10th) were Haikou, Zhoushan, Huizhou, Xiamen, Fuzhou, Zhuhai, Shenzhen, Lishui, Lhasa, and Kunming between Jan. and Nov.; and Haikou, Zhoushan, Fuzhou, Nanning, Huizhou, Lishui, Guiyang, Shenzhen, Kunming, and Xiamen in Nov..

The percentage of the days recorded with clean or fairly clean air averaged out at 59.0 per cent among the 13 cities located in Beijing-Tianjin-Hebei area between Jan. and Nov., up 4.8 percentage points from the same period last year. The mean PM2.5 reading posted 63 μg/m3, down 11.3 per cent. The data for PM10 was 110 μg/m3, down 12.0 per cent. The percentage of the days recorded with clean or fairly clean air averaged out at 36.9 per cent in Nov., down 16.3 percentage points from the same month last year. The mean monthly PM2.5 reading posted 102 μg/m3, up 8.5 per cent. The data for PM10 was 169 μg/m3, up 24.3 per cent.

The percentage of the days with records of clean air and fairly clean air registered 54.8 per cent in Beijing between Jan. and Nov., up 2.4 percentage points compared with the same period last year. The mean PM2.5 reading was 67 μg/m3, down 9.5 per cent. The data for PM10 was 86 μg/m3, down 10.4 per cent. The percentage of the days recorded with clean or fairly clean air averaged out at 43.3 per cent in Nov., down 3.4 percentage points from the same month last year. The mean monthly PM2.5 reading posted 100 μg/m3, down 15.3 per cent.

The percentage of the days recorded with clean or fairly clean air averaged out at 77.5 per cent among the 25 cities located in Yangtze River delta between Jan. and Nov., up 3.7 percentage points year on year. The mean PM2.5 reading posted 44 μg/m3, down 12.0 percent. The data for PM10 was 73 μg/m3, down 8.8 percent. The percentage of the days recorded with clean or fairly clean air averaged out at 82.5 per cent in Nov., up 0.7 percentage points from the same month last year. The mean monthly PM2.5 reading posted 50 μg/m3, down 3.8 percent year on year, and the data for PM10 was 80 μg/m3, up 6.7 per cent.

The percentage of the days recorded with clean or fairly clean air averaged out at 90.2 per cent among the 9 cities located in Pearl River delta between Jan. and Nov., up 1.6 percentage points year on year. The mean PM2.5 reading posted 30 μg/m3, down 11.8 per cent. The data for PM10 was 46 μg/m3, down 11.5 per cent. The mean monthly readings of both PM2.5 and PM10 attained the national Grade Ⅱ standard for mean annual concentrations. The percentage of the days recorded with clean or fairly clean air averaged out at 84.8 per cent in Nov., down 11.5 percentage points from the same month last year. The mean monthly PM2.5 reading posted 40 μg/m3, up 8.1 per cent. The data for PM10 was 60 μg/m3, up 1.7 per cent year on year.

Luo Yi said the monitoring data between January and November showed the air quality in cities at or above prefectural level was on an improving trend, however, the air quality worsened in certain regions and cities in November. The experts concluded from analysis that due to unfavorable meteorological conditions in November, three large-scale heavy air pollution spells struck the Beijing-Tianjin-Hebei area and surrounding areas, and extreme heavy air pollution was also observed in multiple cities in northeast China. In addition, three large-scale sandstorms engulfed some cities in northwest China including Lanzhou, which led to obviously rising PM level in this month; specifically, the mean monthly PM2.5 reading went up over 7 percent, and the mean monthly PM10 reading surged more than 20 percent.

(This English version is for your reference only.In case any discrepancy exists between the Chinese and English context, the Chinese version shall prevail.)

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