It is a logo of a heat map. there is a 90 degree right angle located at the bottom left and inside the right angle are various sizes of circles. Some circles small some big. The bigger the circles are it is indicating the higher in temperature the heat is.
Related to Heat Map Icon
Related icons are the icons with matching tags, as well as all data icons. All icons are in the same flat style. You can either download free PNG icons or buy SVG vectors