The following Aeroallergen Network calculations are based on the data reported by all counting stations for trees, grass, weeds, and molds. The National Allergy Bureau (NAB) Report calculates by:
Tree Pollen Levels
Grains per Cubic Meter |
Risk Level |
0-14 | Low |
15-89 | Moderate |
90-1499 | High |
1500 or more | Very High |
Grass Pollen Levels
Grains per Cubic Meter |
Risk Level |
0-4 | Low |
5-19 | Moderate |
20-199 | High |
200 or more | Very High |
Weed Pollen Levels
Grains per Cubic Meter |
Risk Level |
0-9 | Low |
10-49 | Moderate |
50-499 | High |
500 or more | Very High |
Mold Spore Levels (Burkard data)
Grains per Cubic Meter |
Risk Level |
0-6,499 | Low |
6,500-12,999 | Moderate |
13,000-49,999 | High |
50,000 or more | Very High |
What This Means to Pollen Allergy Sufferers
Risk Level |
Those Who Will Likely Suffer Symptoms |
Absent | No symptoms. |
Low | Only individuals extremely sensitive to this pollen. |
Moderate | Many individuals sensitive to this pollen. |
High | Most individuals with any sensitivity to this pollen. |
Very High | Almost all individuals with any sensitivity to this pollen. Extremely sensitive people could have severe symptoms. |