Allergy Pollen Report from Hedberg Allergy & Asthma Center for November 2 — 6

November 15, 2021 Erin Slifka Health Care 0

This allergy report from Hedberg Allergy & Asthma Center contains the pollen and spore concentration report from the Roger’s sampler for the week of November 2 to November 6, 2021.

Daily Averages

The following table contains the contains the daily concentration of particles in the air from midnight to midnight each day. Numbers are in particles per cubic meter and the corresponding NAB category, see below.

	11/2/2021	11/4/2021	11/6/2021
Molds	High = 14,891	Low = 5,039	Moderate = 11,379
Grasses	Absent = 0	Absent = 0	Absent = 0
Trees	Absent = 0	Absent = 0	Absent = 0
Other Weeds	Absent = 0	Absent = 0	Low = 2
Ragweed	Low = 2	Low = 2	Low = 2

Weekly Averages

The weekly averages for each category of allergen were as follows:

	Weekly Average
Molds	Moderate = 10,436
Grasses	Absent = 0
Trees	Absent = 0
Other Weeds	Low = 1
Ragweed	Low = 2

Allergen Types

The allergen types that were in highest concentration were:

Molds – Molds were at high concentration. Cladosporium, Ascomycetes and Basidiomycetes, Pithomyces, Drechslera , Alternaria, Penicillium/Aspergillus, Myxomycetes, Smuts, Curvularia, Nigrospora, and hyphal fragments were all observed.
Grasses – Grass pollen was at low to moderate concentration.
Trees – Tree pollen was low to absent with Cupressaceae (juniper, cedar) and a single Ulmus (elm).
Other Weeds – Other weeds were low. Various unidentified Asteraceae (sunflowers, daisies) were noted.
Ragweed – Ambrosia (ragweed) was low to absent.

Notes

The National Allergy Bureau (NAB) sets categories for airborne allergen concentration according to the following table. All concentration ranges in particles per cubic meter.

NAB Standard	Mold	Grass	Trees	Other Weeds	Ragweed
Absent	0	0	0	0	0
Low	1 – 6,499	1 – 4	1 – 14	1 – 9	1 – 9
Moderate	6,500 – 12,999	5 – 19	15 – 89	10 – 49	10 – 49
High	13,000 – 49,999	20 – 199	90 – 1,499	50 – 499	50 – 499
Very High	> 50,000	> 200	> 1,500	> 500	> 500

Reference:

Haley Burden
Hedberg Allergy & Asthma Center
479.787.0440

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