Overall Overview

Total pollen increased by 975, while total mold decreased by 5,554.

Tree, Grass, and Weed Pollen

  • Tree pollen rose by 975, driven overwhelmingly by Oak (+810).
  • Additional increases: Mulberry (+53), Ash (+36), Hackberry (+32), Pine (+20).
  • Smaller increases: Other Tree (+8), Birch (+6), Cedar (+4), Willow (+4), Sweet Gum (+2).
  • Elm unchanged.
  • Grass pollen unchanged.
  • Weed pollen unchanged.

Mold Spores

  • Largest decreases: Ascomycetes (-8,238) and Basidiomycetes (-348).
  • Additional declines: Penicillium/Aspergillus (-16) and Algae (-8).
  • Largest increases: Cladosporium (+2,365), Smuts/Myxomycete (+223), Alternaria (+174), Cercospora (+166).
  • Other increases: Epicoccum (+40), Dreshslera/Helminthosporium (+30), Curvularia (+20), Periconia (+14).

Key Takeaways

  • Pollen surged sharply, dominated by a large Oak increase, with several other tree species also rising.
  • Mold dropped substantially overall due to a major Ascomycetes decline.
  • Several mold species increased, particularly Cladosporium, but not enough to offset the large drop in Ascomycetes.

Table of Absolute Changes

CategorySpeciesAbsolute Change
TreeOak+810
TreeMulberry+53
TreeAsh+36
MoldAscomycetes-8,238
MoldCladosporium+2,365
MoldSmuts/Myxomycete+223

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