Pollen counts drop in Houston, while mold rises slightly

Pollen Total:

• The overall pollen count decreased significantly from 134 units to 54 units.

• This represents a decrease of 80 units, equating to a 60% reduction.

Mold Total:

• The total mold count increased notably from 6734 units to 8156 units.

• This indicates an increase of 1422 units, which corresponds to a 21% rise.

Tree Species (Pollen):

• Carya (Hickory/Pecan):

  • Experienced a substantial decrease in pollen count from 72 units to 20 units (a decrease of 52 units or 72%).

• Other Tree Species (Combined):

  • Pollen counts for various other tree species showed decreases, with notable reductions in Mulberry (Morus), Pine (Pinaceae), Elm (Ulmus), and other unspecified tree species.

Weed Species (Pollen):

• Plantago (Plantain):

  • Observed a decrease in pollen count from 22 units to 16 units (a decrease of 6 units or 27%).

• Rumex (Sheep Sorel) and Other Weed Species:

  • Showed decreases in pollen counts, with Sheep Sorel (Rumex) going from 2 units to 0 units and other weed species collectively decreasing.

Mold Species:

• Basidiomycetes:

  • Exhibited a notable decrease in mold count from 1733 units to 668 units (a decrease of 1065 units or 61%).

• Cladosporium:

  • Showed a substantial increase in mold count from 1028 units to 3159 units (an increase of 2131 units or 207%).

• Penicillium/Aspergillus:

  • Experienced a significant decrease in mold count from 186 units to 20 units (a decrease of 166 units or 89%).

• Epicoccum:

  • Demonstrated an increase in mold count from 14 units to 30 units (an increase of 16 units or 114%).