Preheat the oven to 400°F (200°C) and line a large baking sheet with aluminum foil.
In a medium bowl, combine the chopped oranges, chopped avocado, diced red onion, chopped cilantro, minced jalapeño, and fresh lime juice; season with kosher salt and black pepper to taste and gently stir to combine. Set the citrus salsa aside.
In a small bowl, whisk together the honey, Dijon mustard, minced garlic, paprika, a pinch of kosher salt, black pepper, and a dash of crushed red pepper flakes to make the glaze.
Place the salmon fillets skin-side down on the prepared baking sheet and pat them dry with a paper towel.
Drizzle each fillet with a little olive oil and season with salt and pepper. Spoon the honey-mustard glaze evenly over the top of each fillet.
Bake the salmon for 10 to 14 minutes, or until the fish easily flakes with a fork; baking time will vary with fillet thickness.
If desired, switch the oven to broil for 1 minute to lightly crisp the top—watch closely to avoid burning.
Remove the salmon from the oven, squeeze fresh lemon juice over the fillets, and spoon the citrus salsa on top. Garnish with pomegranate arils if using, and serve immediately.