This year is looking like it is going to be a monster year for pollen. With the warmer than usual weather the reports of trees blooming are already hitting the news channels.
If you are one of the people who have allergies to trees you will need a good dust mask to help you deal with the season. They call them dust masks but they really do more than just filter out dust. A good one will also take care of pollen, grass, mold spores, animal dander and yes even dust.
Here is an article from a health and fitness blog that talks a little bit about the difference in masks. The Dust And Pollen Mask Is Useful For Clean Breathing