This avoids pulling in daytime pollen. After arriving home, turn on the unit and close the vent to the outside, but get out of the room when the unit is first turned on. Come back in about a half-hour or so when the mold and dust has settled. A nose that is too cold can trigger nasal symptoms. Sea breeze Wind blowing off the ocean is great, providing it's not passing over a land mass before it reaches you.
Air blowing out to sea can cause intense allergy symptoms.
Sea air is as pollen-free as you'll find, if the wind is blowing in the right direction. The worst weather for pollen and mold exposure is the kind of summertime climate that sends families down to the beach. A hot sun and a strong breeze ensure that you'll be breathing in any allergens present in the air. Avoid outdoor activities in the early morning and late evening because pollen loads in the air are heaviest at these times. Minimize your outdoor activities on dry, windy days.