There's been a few cases reported, e.g. here in Germany there was a cluster of cases of a spread among members of extended family that only met outside reported. And for the vast majority of cases, we simply have no data.
Still, everything points to outdoors being massively safer, with the highest remaining risk if you stand still with someone infected for a long time. (And in many places masks have never been required outdoors, or only when in large groups of people)
Still, everything points to outdoors being massively safer, with the highest remaining risk if you stand still with someone infected for a long time. (And in many places masks have never been required outdoors, or only when in large groups of people)