Wearing a mask can be a good way to avoid or reduce the risk of various dangers or calamities, such as:

- Air pollution: Masks can filter out harmful particles and pollutants from the air.
- Infectious diseases: Masks can help prevent the spread of respiratory viruses and bacteria, like COVID-19.
- Allergies: Masks can filter out allergens like pollen or dust.
- Natural disasters: Masks can help protect against inhaling debris, dust, or hazardous materials during events like wildfires, earthquakes, or hurricanes.