"The visibility at Beijing Capital International Airport at one point fell to five to 10 metres, delaying some flights, " Xinhua news agency reports.

BBC: China media: Pollution strikes again

The new Sotheby's project would hold sales at the planned free port project that partner GeHua is developing at Beijing's Capital International Airport.

WSJ: Sotheby's to Sell Art in China

Other destinations to highly in the best airport category this year include Hong Kong International and Beijing Capital International, carrying on a tradition of strong Asian performance at the awards.

CNN: And the world's best airport is ...

Other destinations to rank highly in the best airport category this year include Hong Kong International and Beijing Capital International, carrying on a tradition of strong Asian performance at the awards.

CNN: And the world's best airport is ...