Fog Volume 3 is a volumetric fog renderer designed to model a wide range of atmospheric effects. It offers a great deal of control to help you tune to your needs in both looks and performance. Compared with Version 2 there are major leaps in visual appearance and flexibility. Check the documentation for more detailed info.
Documentation | Forum thread
This is a paid asset, but now you can download for FREE, but please remember this package is provided only for learning purposes or to be able to test before buying the product, NOT FOR COMMERCIAL PURPOSES.
Detail this asset from Unity Store: Original Link
Fog Volume 3 v3.4.4
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