October Xining air quality ranked high in the northwest region ranked second

November 16th, China’s environmental monitoring website published in 74 cities nationwide air quality report in October. In the 74 cities air quality index rankings, Xining ranked twenty-third, up from last month, 17, compared with the same period last year to enhance the 2. This is the year, Xining air quality ranked highest in the country a month. In the northwest five provinces, ranking second.

data show that in October, 74 City compliance days proportion ranges from 41.9% to 100%. Among them, Fuzhou, Xiamen, Lhasa, Huizhou, Kunming and Guiyang, the proportion of the number of days in 6 cities is 100%, the number of days in compliance with the number of days in the city of Xining, Yinchuan and Chongqing and other cities in the proportion of 80% to 100%. October, 74 cities PM10, PM2.5, sulfur dioxide, nitrogen dioxide concentrations were down year on year, the chain were significantly increased. According to the comprehensive evaluation of urban air quality index, air quality in October is the best in Fuzhou, the worst is Ji’nan.

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