How to make stuff far away look blurry and be kinda blue fog?

[Deathstrocker199 (GoAway)]

So i was wondering if anybody can help me make something similar to the fog in the image, like the stuff far away is blurry and blue and the stuff near are not

[GamEditoPro]

Atmosphere + DepthOfField effects

[Deathstrocker199 (GoAway)]

hi could you please be a bit more specific on what properties in atmosphere and depthofield

[BigPegus_1 (chinbeh)]

blur effect
fog

[KevinImanoo]

Atmosphere with high density and low offset and Depth of Field