Answer:

I think people wear dust masks or smoke masks in order to cover or protect their faces from that kind of environment. If you have a lung disease or heart disease, inhaling wildfire smoke can be especially harmful. So, maybe they wear dust and smoke masks for protection against viruses and particles that may cause infection or disease to the lungs.

Explanation:

Please mark this as the brainliest answer because I have tried my best on answering this.