12-7 Ambient Air Quality in Main Cities (2004) | ||||
(milligram/cu.m) | ||||
City | Paticulate | Sulphur | Nitrogen | Days of Air Quality |
Matters | Dioxide | Dioxide | Equal to or Above | |
Grade II (days) | ||||
Beijing | 0.149 | 0.055 | 0.071 | 229 |
Tianjin | 0.111 | 0.073 | 0.052 | 299 |
Shijiazhuang | 0.123 | 0.087 | 0.042 | 279 |
Taiyuan | 0.175 | 0.087 | 0.022 | 224 |
Hohhot | 0.080 | 0.045 | 0.038 | 311 |
Shenyang | 0.137 | 0.052 | 0.035 | 301 |
Dalian | 0.085 | 0.013 | 0.032 | 345 |
Harbin | 0.113 | 0.042 | 0.060 | 298 |
Shanghai | 0.099 | 0.055 | 0.062 | 311 |
Nanjing | 0.121 | 0.045 | 0.055 | 295 |
Hangzhou | 0.110 | 0.049 | 0.055 | 292 |
Hefei | 0.110 | 0.013 | 0.017 | 313 |
Fuzhou | 0.074 | 0.010 | 0.041 | 358 |
Nanchang | 0.099 | 0.057 | 0.029 | 330 |
Jinan | 0.149 | 0.045 | 0.038 | 210 |
Zhengzhou | 0.111 | 0.057 | 0.037 | 298 |
Wuhan | 0.130 | 0.048 | 0.054 | 247 |
Changsha | 0.140 | 0.084 | 0.033 | 219 |
Guangzhou | 0.099 | 0.077 | 0.073 | 304 |
Nanning | 0.078 | 0.061 | 0.034 | 348 |
Haikou | 0.033 | 0.007 | 0.013 | 366 |
Chongqing | 0.142 | 0.113 | 0.067 | 243 |
Chengdu | 0.115 | 0.067 | 0.048 | 309 |
Guiyang | 0.083 | 0.094 | 0.024 | 337 |
Kunming | 0.085 | 0.069 | 0.040 | 351 |
Lhasa | 0.052 | 0.003 | 0.020 | 358 |
Xi'an | 0.142 | 0.049 | 0.033 | 260 |
Lanzhou | 0.172 | 0.071 | 0.045 | 204 |
Xining | 0.127 | 0.024 | 0.027 | 280 |
Yinchuan | 0.122 | 0.054 | 0.040 | 323 |
Urumqi | 0.114 | 0.102 | 0.058 | 258 |