Is drying clothes dirty in foggy weather?

Dirty.

1. Pollutants and microorganisms: Fog water contains some pollutants and microorganisms, such as dust, particulate matter, mold, etc. When clothes are exposed to fog water, pollutants and microorganisms will adhere to the surface of the clothes, causing the clothes to become dirty.

2. Influence of humid environment: Foggy days are often accompanied by a high-humidity environment. Clothes dried in a humid environment will cause the clothes to become damp and moldy. A humid environment is conducive to the growth of mold. If clothes are kept wet for a long time, problems such as mildew spots and odor will appear, making the clothes unclean.