Overall Overview

Total pollen increased by 197, while total mold decreased by 3,999.

Tree, Grass, and Weed Pollen

  • Tree pollen rose by 191, led by Cedar (+225) and Oak (+115).
  • Additional increases: Elm (+28), Hackberry (+2), Other Tree (+2).
  • Declines: Birch (-145), Ash (-20), Mulberry (-10), Pine (-6).
  • Grass pollen increased (+6).
  • Weed pollen unchanged.

Mold Spores

  • Largest decreases: Ascomycetes (-2,413), Basidiomycetes (-1,475), Cladosporium (-357), Cercospora (-68).
  • Additional drops: Periconia (-10), Oidium/Erysiphe (-8), Spegazinia (-4).
  • Increases: Alternaria (+63), Epicoccum (+50), Penicillium/Aspergillus (+56), Smuts/Myxomycete (+75), Dreshslera/Helminthosporium (+26), Rust (+2), Algae (+64).
  • Several species showed no change.

Key Takeaways

  • Pollen rose moderately, driven mainly by Cedar and Oak increases.
  • Mold dropped sharply, dominated by large declines in Ascomycetes and Basidiomycetes.
  • Despite the overall mold decrease, several individual mold types increased.

Table of Absolute Changes

CategorySpeciesAbsolute Change
TreeCedar+225
TreeOak+115
TreeBirch-145
MoldAscomycetes-2413
MoldBasidiomycetes-1475
MoldCladosporium-357

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