In an 8-inch baking dish, place the butter.
Arrange the baking dish in Air Fryer Basket and then slide inside.
Adjust the temperature of Air Fryer to 320 °F to preheat for 5 minutes.
After preheating, remove the basket.
In the baking dish, add the sugar, cinnamon and nutmeg with melted butter and stir to combine.
Place the pear halves into the butter mixture, cut side down.
Spoon some of butter mixture over the top of each pear half.
Slide the basket into Air Fryer and set the time for 12-14 minutes.
After 10 minutes of cooking, flip the pear halves and spoon some butter mixture on top.
After cooking time is finished, remove the pear halves from Air Fryer and place onto a plate.
Spoon any remaining sauce from baking dish over pears and serve.