Humidifier or Ionic Breeze?

I live near fog city San Francisco, so you’d think humidity wouldn’t be an issue. It just seems like everyday my nose is dry, and I suffer from the occasion upper respiratory infection. I have pretty bad allergies, too. I dust and clean a lot, so it’s gotta be the air. If you were to spend 0, would it be on a humidifier or an air purifier like Ionic Breeze?