Mix salt, sage, garlic powder, brown sugar, black pepper, and oil in a bowl.
Rub seasoning over pork chops and marinate for 10 minutes.
Preheat air fryer to 380°F (190°C) for 3-5 minutes.
Place pork chops in a single layer in the air fryer basket.
Cook for 10 minutes, flipping halfway through.
Ensure internal temperature reaches 145°F (63°C), then let rest before serving.