Good idea on the ventilation but I don't see any respirator.

Seriously should consider a respirator for any amount of welding our grinding. About $30-40 for a good, comfortable one and will last years with only filter replacement. You want one with nuisance level organic gas filtering.

Something like this: https://www.amazon.com/3M-Facepiece-Respirator-Respiratory-Protection/dp/B001NDN29O