Air quality of major Chinese cities -- Nov. 1

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Report on the quality of air in 47 major Chinese cities (12:00 Oct. 31 to 12:00 Nov. 1, Beijing Time), released by the China Environmental Monitoring Center:

City 

Major Pollutant  Air Quality Level 

Beijing 

particulate matter III1

Tianjin 

particulate matter II

Shijiazhuang 

particulate matter III1

Qinhuangdao 

particulate matter II

Taiyuan 

sulfur dioxide II

Hohhot 

particulate matter

II

Shenyang 

particulate matter II

Dalian

particulate matter II

Changchun 

particulate matter II

Harbin

particulate matter III1

Shanghai 

particulate matter

II

Nanjing 

particulate matter II

Suzhou 

particulate matter

II

Nantong 

particulate matter II

Lianyungang 

particulate matter II

Hangzhou 

particulate matter II

Ningbo 

particulate matter II

Wenzhou 

particulate matter II

Hefei 

particulate matter II

Fuzhou 

particulate matter II

Xiamen 

particulate matter II

Nanchang 

particulate matter II

Jinan 

particulate matter II

Qingdao 

---------- I

Yantai 

particulate matter

II

Zhengzhou 

particulate matter II

Wuhan 

particulate matter II

Changsha 

particulate matter II

Guangzhou 

particulate matter II

Shenzhen 

particulate matter II

Zhuhai 

particulate matter II

Shantou 

particulate matter II

Zhanjiang 

----------

I

Nanning 

particulate matter II

Guilin 

particulate matter II

Beihai 

particulate matter II

Haikou 

---------- I

Chongqing 

particulate matter

II

Chengdu 

particulate matter

II

Guiyang 

particulate matter II

Kunming 

particulate matter II

Lhasa 

---------- I

Xi'an 

particulate matter

III1

Lanzhou 

particulate matter

II

Xining 

particulate matter II

Yinchuan 

particulate matter II

Urumqi 

particulate matter

II



The center classifies air quality in China's urban areas into five levels: level I or excellent (pollution reading: not exceeding 50), level II or fairly good (pollution reading: 51 to 100), level III or slightly polluted (pollution reading: 101 to 200), level IV or poor (pollution reading: 201 to 300), and level V or hazardous (pollution reading: over 301).

The 47 cities monitored by the center include the four municipalities of Beijing, Tianjin, Shanghai and Chongqing, provincial (or autonomous regional) capitals, and major cities in economically developed coastal areas, and tourist attractions.

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