重庆位于四川盆地的东南缘，群山环抱，而且地面也崎岖不平，风速十分小，风

Chongqing is located on the southeastern edge of the Sichuan Basin. It is surrounded by mountains and the ground is rugged. The wind speed is very low, the wind is weak, and the frequency of quiet wind is quite high. Chongqing is located at the confluence of the Yangtze River and the Jialing River. The source of water vapor is abundant, the air is also quite humid, and the relative temperature is as high as 80%. The evaporation of river water is not easy to spread, and the humid air is in a saturated state, which is easy to condense into fog.

Chongqing is located in the southeast edge of Sichuan Basin, surrounded by mountains, and the ground is also rugged. The wind speed is very small, the wind force is weak, and the static wind frequency is quite large. Chongqing is located at the confluence of the Yangtze River and Jialing River. The water vapor source is quite abundant, the air is also quite humid, and the relative temperature is as high as more than 80%. The evaporation of river water is not easy to diffuse, and the humid air is in a saturated state, which is easy to condense into fog.

Chongqing is located in the southeast edge of Sichuan Basin, surrounded by mountains, and the ground is rugged. The wind speed is very small, the wind is weak, and the still wind frequency is quite high. Chongqing is located at the confluence of the Yangtze River and Jialing River. The water vapor source is quite abundant, and the air is also quite humid, with a relative temperature of over 80%. The evaporation of river water is not easy to diffuse, and the humid air is saturated and easy to condense into fog.