If you use mods that replace loading screen art with high-definition wallpapers or 3D models, the smoke often obscures the detail you actually want to see.
While the smoke isn't a massive resource hog, removing unnecessary particle effects during the "cell loading" phase can help prevent stuttering on heavily modded setups. How to Install Loading Screen Smoke Removed for ENB
Enjoy a crisp, smoke-free transition every time you enter a new zone. If you use mods that replace loading screen