Overall Overview

Total pollen increased by 65, while total mold increased by 2,233.

Tree, Grass, and Weed Pollen

  • Tree pollen increased by 65, with several moderate contributors.
  • Largest increases: Pine (+59), Mulberry (+22), Birch (+18), Hackberry (+14), Other Tree (+8), Cottonwood (+6), Alder (+4).
  • Declines: Elm (-30), Cedar (-22), Oak (-8), Ash (-6).
  • Grass pollen unchanged.
  • Weed pollen unchanged.

Mold Spores

  • Largest increases: Ascomycetes (+1,770) and Cladosporium (+652).
  • Additional increases: Algae (+32), Periconia (+16), Curvularia (+8), Pithomyces (+6), Rust (+6).
  • Largest decreases: Smuts/Myxomycetes (-170) and Penicillium/Aspergillus (-44).
  • Smaller declines: Basidiomycetes (-37) and Nigrospora (-6).

Key Takeaways

  • Pollen rose slightly, mainly from Pine and Mulberry increases, while Oak remained the dominant tree pollen with only a small decline.
  • Mold increased substantially, driven primarily by a large Ascomycetes surge and a strong Cladosporium rise.
  • The mold increase outweighed several moderate decreases across other species.

Table of Absolute Changes

CategorySpeciesAbsolute Change
TreePine+59
TreeMulberry+22
TreeElm-30
MoldAscomycetes+1,770
MoldCladosporium+652
MoldSmuts/Myxomycetes-170

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