Pollens are small, dry, fertilizing agents of flooring plants, trees, weeds, grasses, and flowers that are easily distributed long distances.  Pollen is also an allergen that causes seasonal allergies in people.

2 ways pollens are affected by weather

Pollen levels are affected by the weather in two main ways.  On dry, windy days, pollens are easily blown around, causing allergies in people.  When the weather is humid, damp, or wet, pollens are kept on the ground and out of the air.  These days, allergy symptoms are usually fairly low.  

Pollen levels high on windy days

Flower and bright colored plants usually have their pollen carried from plant to plant by insects, birds, and bees.  Pollen from a majority trees, weeds, and grasses have light, dry pollen that is easily blown around by strong winds.  This is why windy days cause allergies in a large portion of society.  

Pollen from plants with bright flowers, such as roses, usually do not trigger allergies. These large, waxy pollen are carried from plant to plant by bees and other insects. On the other hand, many trees, grasses and low-growing weeds have small, light, dry pollen that are well-suited for dissemination by wind currents. These are the pollen that trigger allergy symptoms.

Are you affected by seasonal allergies caused by pollen?

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