I was diagnosed with non allegic rhinitis - symptoms are year round nasal congestion, congestion triggered by strong odors, pollution, temperature changes, postnasal drip, unexplained fatigue, frequent headaches, recurrent sinus
. So...pollution, temp. changes, fatigue sounds like you. I don't have "head" aches, but face pressure and aches that actually make me sick to my stomach - throws my balance off, and reading makes me sicker if I'm like that.