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Air quality of major Chinese cities -- Jan. 18(Comtex Environment Via Thomson Dialog NewsEdge)BEIJING, Jan 18, 2006 (Xinhua via COMTEX) -- Report on the quality of air in 47 major Chinese cities (12:00 Jan. 17, 2006 to 12:00 Jan. 18, 2006 Beijing Time), released by the China Environmental Monitoring Center: City Major Pollutant Air Quality Level Beijing particulate matter III1 Tianjin sulfur dioxide II Shijiazhuang particulate matter II Qinhuangdao sulfur dioxide II Taiyuan particulate matter III1 Hohhot particulate matter II Shenyang particulate matter II Dalian sulfur dioxide II Changchun particulate matter III1 Harbin particulate matter III1 Shanghai ----------------- I Nanjing ----------------- I Suzhou ----------------- I Nantong ----------------- I Lianyungang particulate matter II Hangzhou particulate matter II Ningbo ----------------- I Wenzhou particulate matter II Hefei ----------------- I Fuzhou particulate matter II Xiamen particulate matter II Nanchang sulfur dioxide II Jinan particulate matter II Qingdao sulfur dioxide II Yantai particulate matter II Zhengzhou particulate matter II Wuhan sulfur dioxide II Changsha sulfur dioxide II Guangzhou sulfur dioxide III1 Shenzhen ------------------ I Zhuhai ------------------ I Shantou particulate matter II Zhanjiang particulate matter II Nanning particulate matter II Guilin ------------------ I Beihai ------------------ I Haikou ------------------ I Chongqing particulate matter III1 Chengdu particulate matter III1 Guiyang sulfur dioxide II Kunming particulate matter II Lhasa particulate matter II Xi'an particulate matter III1 Lanzhou particulate matter III2 Xining particulate matter III1 Yinchuan particulate matter II Urumqi particulate matter III2 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. |