When you use the self cleaning feature of an oven the oven will produce dangerous toxic smells.
The self cleaning oven emits toxic fumes contain an unpleasant burning odor and traces of harmful by-products like carbon monoxide into the air.
When using your self cleaning oven make sure to use a vent hood and have the vent hood on so that it sucks harmful fumes and smells out of the house.
If possible have the doors to the house open or kitchen window open as well.
Having ventilation in the kitchen when you're using your self cleaning oven is essential to prevent toxic fumes from building up in your home and prevent harm to yourself from breathing in those toxic fumes.