DETROIT If you spent time outside this weekend, you probably saw some people wearing masks and others not. Should you wear a mask outside during the coronavirus (COVID-19) crisis? If you are outside in your own yard with your own family, you dont need a mask. If youre going for a run or a walk in an area where you arent going to be near other people, you dont need a mask. But the situation gets trickier if youre going to be outdoors in a place where there will be several other people.