In early spring, when many overwintering insects begin to emerge, they need a readily available source of nourishment to ...

For trees and flowers ... eight cities in California saw large increases in their allergy rankings as a result of a "grass and weed pollen explosion," which the foundation says was intensified ...

This time of year, red maple birch and willow ... There are other trees as well, of course. But not all pollen is an allergen. For example, the large grains of pine pollen, which you’ll start ...

With tree pollen high across the UK this week, millions are bracing for the annual spike in hay fever symptoms. The Met Office has issued a red warning across many regions of the UK this week.

With tree pollen high across the UK this week, millions are bracing for the annual spike in hay fever symptoms. The Met Office has issued a red warning across many regions of the UK this week.

Right now, in late March, the big culprit is tree pollen. The yellow that you’re seeing right now is from our pine trees. But we are also seeing oak and Birch. Weed pollen is considered low ...