My Duster creates tornadoes

I'm wondering if I am missing some type of shroud for the bottom of the fan/radiator. My driveway is dirt and on dry days my car kicks up huge plumes of dust ( I know.. Ironic). My big gripe is having to constantly clean the engine
because of all the dust that gets up in the engine compartment.

I can provide a picture, but I can see right down to the ground under the pullies. Is there something missing there?