VANDERBILT UNIVERSITY MEDICAL CENTER

Vanderbilt Asthma, Sinus and Allergy Program

Pollen Count

(March - October)
Pollen Count information for May 16, 2013

Trees:High [150]
Grasses:High [50]
Weeds:Absent
Mold Spores:Information not available.

Vanderbilt Asthma, Sinus and Allergy Program calculations are reported in grains per cubic meter. This is the method used by certified counting stations for trees, grasses, weeds and molds by the National Allergy Bureau.
Based on these calculations, use the following definitions for low, moderate, high and very high concentration levels:

NAB SCALE
MOLD GRASS TREE WEED
0 Absent 0 Absent 0 Absent 0 Absent
1 – 6499 Low 1 – 4 Low 1 – 14 Low 1 – 9 Low
6500 – 12999 Moderate 5 – 19 Moderate 15 – 89 Moderate 10 – 49 Moderate
13000 – 49999 High 20 – 199 High 90 – 1499 High 50 – 499 High
>50000 Very High >200 Very High >1500 Very High >500 Very High

 

Do You Know Your Pollen Seasons?

Watch the animation below to learn when common allergens are at large in Middle Tennessee.

 

Find Us On:
YouTube Twitter Facebook