Anchorage is experiencing particularly high pollen counts this spring — especially for birch, alder, and other tree pollens — ...

Southcentral Alaska has exceptionally high amounts of tree pollen in the air right now ... aspen, willow and alder trees. Brian Farthing, a physician assistant at the Allergy, Asthma & Immunology ...

What's happening: Tree pollen is the main offender this time of year, especially from maple, cedar, alder, and oak — all abundant in the Pacific Northwest. The big picture: Climate change is ...

On Tuesday, the Oregon Allergy Associates reported high levels of tree pollen in the air. The dominant pollen was Alder, but tests also picked up Birch, Cedar, Cottonwood, and Hornbeam.

There are three main types of pollen. Earlier in the spring, tree pollen is the main culprit. After that grasses pollinate, followed by weeds in the late summer and early fall. Some of the most ...

Pollen season, encompassing tree, grass, and weed pollen, can last up to nine months, from February to October. Spring has begun and, in the South, it has been marked with a yellow dust covering ...

The olive tree family also includes forsythia, lilac, jasmine, privet and broom. However, these trees and shrubs produce significantly less and also less aggressive pollen.

The season broadly runs from March until May or June although some species such as alder, hazel and elm produce pollen as early as January. Experts are predicting that it will be a severe tree ...