Is it better to travel in foggy weather in the morning or in the evening?

At night. It is not good to travel in foggy weather at night, because it is foggy in the morning, which has a great influence on people's sight. There will be less fog at night. Fog refers to the weather phenomenon that there are countless small water droplets or small ice crystals suspended in the air near the ground, resulting in horizontal visibility less than 500 meters.