The Bund in Shanghai's CBD is covered in smog on Nov 7, 2013. Statistics from the environment bureau shows that Shanghai's AQI (Air Quality Index) reached 226, higher than the minimum level of serious contamination, 201. It's the first time this fall that Shanghai has been severely polluted. PM 2.5 is detected as a major pollutant. [Photo by Lai Xinlin/Asianewsphoto]
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