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MEP releases the air quality status of key regions and 74 cities in January 2017

MEP released 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 in January. The percentage of the days recorded with clean or fairly clean air averaged out at 60.0 percent among the 338 cities at or above the prefectural level in January, down 6.7 percentage points year on year. The mean PM2.5 reading registered 78 μg/m3, up 14.7 per cent. The data for PM10 was 117 μg/m3, up 14.7 percent as well.

According to Liu Zhiquan, Director General of the Ministry’s Department of Environmental Monitoring, measured by the urban AQI readings, the top 10 cities recorded with fairly poor air quality (ranking from the 74th to the 65th) were Shijiazhuang, Xingtai, Handan, Baoding, Urumqi, Xi’an, Taiyuan, Hengshui, Zhengzhou, and Tangshan. The top 10 cities recorded with fairly good air quality (ranking from the 1st to the 10th) were Haikou, Zhoushan, Lhasa, Kunming, Lishui, Fuzhou, Taizhou, Xiamen, Shenzhen, and Huizhou in January.

The percentage of the days recorded with clean or fairly clean air averaged out at 36.2 percent among the 13 cities located in Beijing-Tianjin-Hebei area in January, down 19.6 percentage points from the same period last year. The mean PM2.5 reading posted 128 μg/m3, up 43.8 per cent. The data for PM10 was 189 μg/m3, up 41.0 per cent.

The percentage of the days with records of clean air and fairly clean air registered 51.6 per cent in Beijing in January, down 19.4 percentage points compared with the same period last year. The mean PM2.5 reading was 116 μg/m3, up 70.6 per cent. The data for PM10 was 131 μg/m3, up 63.8 per cent.

The percentage of the days recorded with clean or fairly clean air averaged out at 74.1 per cent among the 25 cities located in Yangtze River delta in January, up 16.2 percentage points year on year. The mean PM2.5 reading posted 60 μg/m3, down 16.7 percent. The data for PM10 was 86 μg/m3, down 18.9 percent.

The percentage of the days recorded with clean or fairly clean air averaged out at 84.2 per cent among the 9 cities located in Pearl River delta in January, down 13.3 percentage points year on year. The mean PM2.5 reading posted 51 μg/m3, up 59.4 per cent. The data for PM10 was 69 μg/m3, attaining the national Grade Ⅱ standard for the mean annual PM10 reading.

(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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