12-8 Ambient Air Quality in Major Cities (2006) | ||||
(milligram/cu.m) | ||||
City | (PM10) | (SO2) | (NO2) | Days of Air Quality |
Paticulate | Sulphur | Nitrogen | Equal to or Above | |
Matters | Dioxide | Dioxide | Grade II (days) | |
Beijing | 0.162 | 0.052 | 0.066 | 241 |
Tianjin | 0.114 | 0.067 | 0.048 | 305 |
Shijiazhuang | 0.142 | 0.044 | 0.039 | 287 |
Taiyuan | 0.142 | 0.080 | 0.025 | 261 |
Hohhot | 0.102 | 0.054 | 0.048 | 313 |
Shenyang | 0.117 | 0.058 | 0.043 | 321 |
Changchun | 0.099 | 0.026 | 0.039 | 340 |
Harbin | 0.104 | 0.034 | 0.049 | 308 |
Shanghai | 0.086 | 0.051 | 0.055 | 324 |
Nanjing | 0.109 | 0.063 | 0.052 | 305 |
Hangzhou | 0.111 | 0.056 | 0.057 | 299 |
Hefei | 0.099 | 0.024 | 0.032 | 328 |
Fuzhou | 0.072 | 0.020 | 0.049 | 344 |
Nanchang | 0.086 | 0.056 | 0.032 | 338 |
Jinan | 0.114 | 0.040 | 0.021 | 307 |
Zhengzhou | 0.111 | 0.060 | 0.044 | 306 |
Wuhan | 0.121 | 0.057 | 0.049 | 273 |
Changsha | 0.111 | 0.082 | 0.039 | 280 |
Guangzhou | 0.076 | 0.054 | 0.067 | 334 |
Nanning | 0.066 | 0.059 | 0.035 | 353 |
Haikou | 0.041 | 0.010 | 0.012 | 365 |
Chongqing | 0.111 | 0.074 | 0.047 | 287 |
Chengdu | 0.123 | 0.065 | 0.049 | 301 |
Guiyang | 0.083 | 0.065 | 0.017 | 343 |
Kunming | 0.091 | 0.062 | 0.044 | 363 |
Lhasa | 0.062 | 0.009 | 0.026 | 363 |
Xi'an | 0.133 | 0.056 | 0.042 | 289 |
Lanzhou | 0.192 | 0.057 | 0.052 | 205 |
Xining | 0.135 | 0.024 | 0.029 | 289 |
Yinchuan | 0.097 | 0.048 | 0.027 | 312 |
Urumqi | 0.152 | 0.113 | 0.064 | 246 |