Drizzle the salmon with avocado oil and use your fingers to gently spread it around until the salmon is lightly coated in oil. Sprinkle the salmon with sea salt, garlic powder, onion powder, and paprika.
Place the salmon fillets in the air fryer drawer and select either the 'Air Fry' or the ‘Bake’ function. Air Fry at 400 degrees for 8 minutes. After the 8 minutes is up, check the salmon for done-ness. Continue cooking 1 to 2 minutes at a time as needed, until the salmon reaches an internal temperature of 145 degrees F.