Identifying which polygons lie within a grid of polygons

I work in ArcMap 10.8.1. I have a polygon layer of municipalities and a polygon layer of 1×1 km square zones of air polluted areas (it’s not a raster). I need to find which of the municipalities are "hit" by the air pollution polygons. Situation is displayed in the picture. Is there a tool in Toolbox to resolve this?

Edit: I managed to run Select by Location tool. But the result is not satisfactory. Why didn’t the tool select every polygon that contained "the polluted polygons"? As in the picture.