Wind gusts scattered grass pollen over a wide area.
The researchers said that grass pollen was the most significant allergic factor identified in the period before the thunderstorm.
And grass pollen in many dry, rural areas is always higher than in New York.
Today allergen immunotherapy is available in tablet form (for grass pollens).
But some people are allergic to both tree pollen and grass pollen, and that's why they're not feeling so good now.
While the tree pollen allergy has been worked out, the grass pollen is not well understood.
If you experience allergy symptoms in the summer, you might be allergic to grass pollen.
On Long Island, we have begun to see slightly earlier grass pollen.
"Similar to the grass pollen, but probably longer-lasting."
An estimated 90% of hay fever sufferers are allergic to grass pollen.