Do you put face mask on baby’s face when outdoor stroll is preferred?

If it's a normal day, no extreme weather circumstances like haze or conditions like air pollution, then no, there is no need for a face mask. I imagine it will be uncomfortable for baby to be covered up like that. If there are extreme air conditions, like what the mommy above said, baby should be indoors so no face mask is needed. It doesn't seem safe for baby to have a mask on -- there could be a danger of suffocation and cuts (if you use a mask with strings).