Best Answer
Definitely Pine Pollen. It%26#039;s the time of the annual yellow snow festival.It usually occurs around the middle of March but with Global Cooling, it%26#039;s coming later.
Other Answers (4)
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pine tree pollen
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Likely pollen from pine trees. They put out a tremendous amount of the stuff.
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Pollen
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My first guess would be pollen. Are there similar trees in these areas??? If there are, then it probably is pollen (or some other substance from these trees).
