Overall Overview
Total pollen increased by 1,143, driven by a major surge in tree pollen. Total mold decreased by 466, reflecting declines in several dominant mold groups.
Tree, Grass, and Weed Pollen
- Tree pollen rose by 1,143, led by Elm (+631) and Cedar (+496).
- Additional increases: Pine (+14), Other Tree (+14), Ash (+2).
- Birch (-14) declined.
- Grass pollen remained at zero.
- Weed pollen remained at zero across all species.
Mold Spores
- Largest increases: Smuts/Myxomycete (+129), Basidiomycetes (+119), Penicillium/Aspergillus (+25), Dreshslera/Helminthosporium (+14), Curvularia (+12).
- Largest decreases: Ascomycetes (-537), Cladosporium (-118), Epicoccum (-46), Alternaria (-40).
- Smaller declines: Nigrospora (-8), Periconia (-6), Torula (-6), Rust (-2), Cercospora (-2).
Key Takeaways
- Tree pollen spiked sharply, dominated by large jumps in Elm and Cedar.
- Mold totals fell overall despite increases in several minor groups.
- The pollen environment shifted from low to very high in a single day.
Table of Absolute Changes
| Category | Species | Absolute Change |
|---|---|---|
| Tree | Elm | +631 |
| Tree | Cedar | +496 |
| Tree | Birch | -14 |
| Mold | Ascomycetes | -537 |
| Mold | Cladosporium | -118 |
| Mold | Smuts/Myxomycete | +129 |
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