Which city in the world is called the foggy city?

The cities in the world known as the foggy cities are: London, Edinburgh, China, Chongqing, Tokyo, San Francisco and Ankara. The average annual foggy days in Chongqing are 104 days, while London, which is known as the foggy capital of the world, has only 94 days, and Tokyo, Japan, which is the foggy capital of the Far East, has only 55 days.

Chongqing is a veritable "foggy city". Wu Yun in Bishan District of Chongqing has 204 foggy days all the year round, which is called "the best in the world". Chongqing is the only municipality directly under the central government, national central city, mega-city and international metropolis in the central and western regions, and the economic, financial, scientific and technological, shipping and trade logistics center in the upper reaches of the Yangtze River.