Whey the sun gets the orange color at the sun set?

Answer 1

If you love a beutiful sunset it's the love in the air, and stop reading here.

The reality is that, it is polution in the air that the sun light get filtered through, like a pair of sunglasses.

Answer 2

At sunset, the light comes to your eye along a
path which includes more air than at mid-day.
The air tends to absorb more of the shorter
wavelengths of light, so what you see looks
'redder`.