Overall Overview
Total pollen decreased by 283, while total mold decreased by 2,355.
Tree, Grass, and Weed Pollen
- Tree pollen fell by 277, driven primarily by Cedar (-241) and Ash (-28).
- Additional declines: Oak (-12), Elm (-8), Hackberry (-2).
- Increases: Pine (+10) and Birch (+4).
- Grass pollen decreased (-6).
- Weed pollen unchanged.
Mold Spores
- Largest decreases: Cladosporium (-2,159) and Basidiomycetes (-113).
- Additional declines: Penicillium/Aspergillus (-54), Alternaria (-33), Algae (-24), Smuts/Myxomycete (-14), Ascomycetes (-13).
- Increases: Epicoccum (+51), Spegazinia (+6), Powdery Mildew (+4), Tetraploa (+4), Nigrospora (+2).
- Several species showed no change.
Key Takeaways
- Pollen dropped sharply, largely due to a steep Cedar decline.
- Mold also fell substantially, dominated by a major reduction in Cladosporium.
- A few mold species increased, but not enough to offset broad decreases.
Table of Absolute Changes
| Category | Species | Absolute Change |
|---|---|---|
| Tree | Cedar | -241 |
| Tree | Ash | -28 |
| Tree | Pine | +10 |
| Mold | Cladosporium | -2159 |
| Mold | Basidiomycetes | -113 |
| Mold | Epicoccum | +51 |
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