Pollen Forecast for Boulder, Wyoming
Discussion
Pollen concentrations for Thursday will be at about the same level in the high range. This is a result of stable humidity. If you do suffer from allergies, tomorrow should be about as difficult outdoors as it was today.
Allergy Facts
Although most elm trees pollinate in the spring, some species flower (shed pollen) in the fall. Chinese elm, which is common in the south and California, pollinates in the late summer through October.