A new analysis released Wednesday from the nonprofit Climate Central shows that recent "freeze-free" seasons in Boston have 15 extra days on average when compared to the 1970s.

The Met Office suggests that around 25% of hay fever sufferers are affected by tree pollen. Grass pollen, on the other hand, ...

The Japan Weather Association said pollen will begin flying in mid-February and the peak dispersal period will start from later in the month. In some parts of the Shikoku and Kinki regions ...

When pollen has moved from one flower to another ... Plants spread their seeds in lots of different ways. This is called seed dispersal. Some seeds are transported by the wind and are shaped ...

On the very calmest days pollen will barely lift off the ground and will struggle to disperse. Conversely, on the windiest days, pollen can be blown across a wide area meaning lower concentrations ...