Why does the sky turn red, orange, and pink at sunset? The phenomenon of scattering is also why the sky turns red, orange, and pink at sunset. Crucially, you need some cloud to see this.

At sunset, however, sunlight travels a much longer distance through the atmosphere. Most of the blue light is scattered out ...

A vivid pink glow, described as "super weird" by witnesses, lit up the region. From Sooke to Lake Cowichan, ... which is precisely why the sky is blue. At sunset, however, ...