Preheat the air fryer to 390°F
Rinse frozen salmon under cold water to remove ice glaze
Pat the salmon dry with paper towels
Brush or spray the salmon lightly with oil
Season with salt, pepper, garlic powder, lemon pepper, or preferred seasoning
Place the frozen salmon in the air fryer basket skin-side down if applicable
Cook for 7 minutes
Open the basket and separate any fillets if needed
Add more seasoning or glaze if desired
Cook for another 6 to 10 minutes, depending on thickness
Check that the internal temperature reaches 145°F
Remove the salmon from the air fryer
Let it rest for 2 to 3 minutes before serving