Houston tree, weed pollen and mold counts drop; grass rises

Written By Amer Ahmed

Pollen:

  • Tree Pollen Total: Decreased by 33% from 84 to 56.

  • Grass Pollen Total: Increased by 40% from 20 to 28.

  • Weed Pollen Total: Decreased by 60% from 20 to 8.

  • Overall Tree, Weed, Grass Pollen Total: Decreased by 26% from 124 to 92.

Mold:

  • Overall Mold Total: Decreased by 34% from 7,559 to 4,999.

Specific Species Changes:

  • Carya (Hickory/Pecan): Decreased by 18%.

  • Basidiomycetes: Decreased by 36%.

  • Cladosporium: Decreased by 36%.

  • Curvularia: Increased by 300%.

  • Penicillium/Aspergillus: Increased by 73%.

  • Rust: Increased by 75%.

  • Smuts/Myxomycete: Increased by 16%.

  • Spegazinia: Increased by 100%.

  • Torula: Decreased by 33%.

Amer Ahmed
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Houston tree, grass, mold, and mold (all 4 types!) ramp significantly
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Houston tree pollen drops again but weed and grass continues their steady presence; mold drops too