BEIJING, Aug. 22 (Xinhua) -- Report on the quality of air in 47 major Chinese cities (12:00 Aug. 21 to 12:00 Aug. 22, Beijing Time), released by the China Environmental Monitoring Center:
City Major Pollutant Air Quality Level
Beijing ------------------ I
Tianjin ------------------ I
Shijiazhuang ------------------ I
Qinhuangdao ------------------ I
Taiyuan ------------------ I
Hohhot ------------------ I
Shenyang ------------------ I
Dalian ------------------ I
Changchun ------------------ I
Harbin ------------------ I
Shanghai particulate matter II
Nanjing particulate matter II
Suzhou particulate matter II
Nantong particulate matter II
Lianyungang ------------------ I
Hangzhou particulate matter II
Ningbo ------------------ I
Wenzhou particulate matter II
Hefei particulate matter II
Fuzhou ------------------ I
Xiamen ------------------ I
Nanchang particulate matter II
Jinan ------------------ I
Qingdao ------------------ I
Yantai ------------------ I
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 ------------------ I
Zhanjiang ------------------ I
Nanning ------------------ I
Guilin sulfur dioxide II
Beihai ------------------ I
Haikou ------------------ I
Chongqing particulate matter II
Chengdu particulate matter II
Guiyang particulate matter II
Kunming particulate matter II
Lhasa ------------------ I
Xi'an particulate matter II
Lanzhou particulate matter III1
Xining particulate matter III1
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.