Mask Wearing

How to select, properly wear, clean, and store masks (info taken from CDC materials)

  • Everyone 2 years or older who is not fully vaccinated should wear a mask in indoor public places.
  • In general, you do not need to wear a mask in outdoor settings.
    • In areas with high numbers of COVID-19 cases, consider wearing a mask in crowded outdoor settings and for activities with close contact with others who are not fully vaccinated.
  • People who have a condition or are taking medications that weaken their immune system may not be fully protected even if they are fully vaccinated. They should continue to take all precautions recommended for unvaccinated people, including wearing a well-fitted mask, until advised otherwise by their healthcare provider.
  • If you are fully vaccinated, to maximize protection and prevent possibly spreading COVID-19 to others, wear a mask indoors in public if you are in an area of substantial or high transmission.
  • Wearing a mask over your nose and mouth is required on planes, buses, trains, and other forms of public transportation traveling into, within, or out of the United States and while indoors at U.S. transportation hubs such as airports and train stations. Travelers are not required to wear a mask in outdoor areas of a conveyance (like on open deck areas of a ferry or the uncovered top deck of a bus).

Mask use and carbon dioxide ~

  • Wearing a mask does not raise the carbon dioxide (CO2) level in the air you breathe.
  • Cloth masks and surgical masks do not provide an airtight fit across the face. The CO2 escapes into the air through the mask when you breathe out or talk. CO2 molecules are small enough to easily pass through mask material. In contrast, the respiratory droplets that carry the virus that causes COVID-19 are much larger than CO2, so they cannot pass as easily through a properly designed and properly worn mask.

How to Clean
how to clean mask

Reusable masks should be washed as soon as they become dirty, or at least once a day. If you have a disposable face mask, throw it away after wearing it once. Always and wash your hands after handling or touching a used mask.

Use a washing machine:

  • Include your mask with your regular laundry.
  • Use regular laundry detergent and the appropriate settings according to the fabric label.

By hand:

  • Wash your mask with tap water and laundry detergent or soap.
  • Rinse thoroughly with clean water to remove detergent or soap.

Dry your mask:

  • Dry your mask completely in a warm or hot dryer
  • Hang your mask in direct sunlight to dry completely. If you cannot hang it in direct sunlight, hang or lay it flat and let it dry completely.
Reusing a mask:
  • You can store your mask temporarily to reuse later. Remove your mask correctly and wash your hands after touching a used mask. Keep it in a dry, breathable bag (like a paper or mesh fabric bag) to keep it clean between uses. When reusing your mask, keep the same side facing out.
  • If you are taking off your mask to eat or drink outside of your home, you can place it somewhere safe to keep it clean, such as your pocket, purse, or paper bag. Make sure to wash or sanitize your hands after removing your mask. After eating, put the mask back on with the same side facing out. Be sure to wash or sanitize your hands again after putting your mask back on.


Improve How Your Mask Protects You