The CDC has recommended that people wear cloth face coverings in public in addition to maintaining six feet of physical distancing. Because surgical masks and N-95 respirators should be reserved for healthcare workers and other first responders, face coverings can be improvised from household items such as scarfs, T-shirts, sweaters or towels.
Here are a few DIY tutorials to consider: three types of masks from the CDC, a video tutorial from the surgeon general, and transforming an old T-shirt.