Top 10 Chinese cities with worst air quality

At one of the press conferences at the two sessions in Beijing, Wu Xiaoqing, Vice-Minister of Environmental Protection, said 74 cities in China adopted the new air quality standards in 2013, adding that 71 cities were below the benchmark, including four provincial capitals.

Here's a look at 10 cities that Wu said have worst air quality in China.

Zhengzhou

Zhengzhou in Henan Province. [Photo/Xinhua]

Zhengzhou is the capital and largest city of Henan Province. As a major transportation hub for Central China, it also lies on the southern bank of the Yellow River.