Houston Pollen and Mold Reports

Daily updated counts and reports for trees, weed, grass and mold are available in the above buttons.

Amer Ahmed Amer Ahmed

Houston tree pollen still zero; mold, grass, weed still medium

Pollen Total:

  • The pollen count decreased from 44 units to 32 units.

  • This represents a decrease of 12 units or 27%.

Mold Total:

  • The total mold count decreased from 8756 units to 7634 units.

  • This represents a decrease of 1122 units or 13%.

Weed Total:

  • The weed total decreased from 36 units to 24 units.

  • This represents a decrease of 12 units or 33%.

Mold Species:

  • Several mold species showed notable changes in their counts:

    • Algae:

      • Experienced a significant increase in mold count from 4 units to 24 units (an increase of 20 units or 500%).

    • Alternaria:

      • Demonstrated a decrease in mold count from 143 units to 16 units (a decrease of 127 units or 89%).

    • Ascomycetes:

      • Showed an increase in mold count from 2618 units to 4380 units (an increase of 1762 units or 67%).

    • Basidiomycetes:

      • Experienced a slight increase in mold count from 1178 units to 1342 units (an increase of 164 units or 14%).

    • Cercospora:

      • Demonstrated a decrease in mold count from 121 units to 34 units (a decrease of 87 units or 72%).

    • Cladosporium:

      • Showed a significant decrease in mold count from 4325 units to 1549 units (a decrease of 2776 units or 64%).

    • Curvularia:

      • Experienced a decrease in mold count from 12 units to 4 units (a decrease of 8 units or 67%).

    • Drechslera/Helmintho.:

      • Demonstrated a decrease in mold count from 24 units to 2 units (a decrease of 22 units or 92%).

    • Epicoccum:

      • Experienced a decrease in mold count from 32 units to 4 units (a decrease of 28 units or 88%).

    • Nigrospora:

      • Demonstrated a decrease in mold count from 8 units to 0 units (a decrease of 8 units or 100%).

    • Oidium/Erysiphe(Powdery Mildew):

      • Experienced a decrease in mold count from 14 units to 4 units (a decrease of 10 units or 71%).

    • Penicillium/Aspergillus:

      • Showed a slight increase in mold count from 157 units to 162 units (an increase of 5 units or 3%).

    • Periconia:

      • Demonstrated a decrease in mold count from 6 units to 2 units (a decrease of 4 units or 67%).

    • Rust:

      • Experienced a decrease in mold count from 32 units to 6 units (a decrease of 26 units or 81%).

    • Smuts/Myxomycete:

      • Showed an increase in mold count from 78 units to 105 units (an increase of 27 units or 35%).

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Amer Ahmed Amer Ahmed

Zero tree pollen! In Houston! Weed, grass, and mold are all medium

What a change! There’s zero tree pollen measured in Houston today. We can all rejoice! Here’s the other updates.

Pollen Total:

  • The pollen count decreased from 92 units to 44 units.

  • This represents a decrease of 48 units or 52%.

Mold Total:

  • The total mold count decreased from 9963 units to 8756 units.

  • This represents a decrease of 1207 units or 12%.

Grass Total:

  • The grass total remained the same at 8 units.

Weed Total:

  • The weed total decreased from 56 units to 36 units.

  • This represents a decrease of 20 units or 36%.

Tree Species (Pollen):

  • Carya (Hickory/Pecan):

    • Experienced a decrease in pollen count from 20 units to 0 units (a decrease of 20 units or 100%).

Weed Species (Pollen):

  • Cyperaceae (Sedge):

    • Demonstrated a decrease in pollen count from 10 units to 0 units (a decrease of 10 units or 100%).

  • Plantago (Plantain):

    • Showed an increase in pollen count from 22 units to 26 units (an increase of 4 units or 18%).

  • Typha (Cattail):

    • Experienced a decrease in pollen count from 0 units to 4 units (an increase of 4 units).

  • Urticaceae (Nettle):

    • Demonstrated a decrease in pollen count from 6 units to 2 units (a decrease of 4 units or 67%).

  • Chenopodiaceae/ Amaranthaceae (Amaranth):

    • Experienced a decrease in pollen count from 4 units to 0 units (a decrease of 4 units or 100%).

  • Other Weed Species:

    • Showed a decrease in pollen count from 14 units to 4 units (a decrease of 10 units or 71%).

Mold Species:

  • Several mold species showed notable changes in their counts:

    • Alternaria:

      • Experienced a slight increase in mold count from 139 units to 143 units (an increase of 4 units or 3%).

    • Ascomycetes:

      • Showed a decrease in mold count from 4513 units to 2618 units (a decrease of 1895 units or 42%).

    • Basidiomycetes:

      • Demonstrated a decrease in mold count from 1865 units to 1178 units (a decrease of 687 units or 37%).

    • Cercospora:

      • Experienced an increase in mold count from 83 units to 121 units (an increase of 38 units or 46%).

    • Cladosporium:

      • Showed a significant increase in mold count from 2903 units to 4325 units (an increase of 1422 units or 49%).

    • Penicillium/Aspergillus:

      • Experienced a decrease in mold count from 340 units to 157 units (a decrease of 183 units or 54%).

    • Rust:

      • Showed an increase in mold count from 18 units to 32 units (an increase of 14 units or 78%).

    • Smuts/Myxomycete:

      • Experienced a significant increase in mold count from 32 units to 78 units (an increase of 46 units or 144%).

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Amer Ahmed Amer Ahmed

Houston mold and weed counts ramp aggressively; tree and grass remain stable

Pollen Total:

  • The pollen count remained the same at 46 units.

Mold Total:

  • The total mold count increased significantly from 4737 units to 9963 units.

  • This represents an increase of 5226 units or 110%.

Tree Species (Pollen):

  • Carya (Hickory/Pecan):

    • Experienced a decrease in pollen count from 8 units to 20 units (an increase of 12 units or 150%).

  • Quercus (Oak):

    • Showed an increase in pollen count from 2 units to 0 units (a decrease of 2 units or 100%).

Weed Species (Pollen):

  • Cyperaceae (Sedge):

    • Demonstrated a significant increase in pollen count from 2 units to 10 units (an increase of 8 units or 400%).

  • Plantago (Plantain):

    • Showed an increase in pollen count from 16 units to 22 units (an increase of 6 units or 38%).

  • Rumex (Sheep Sorel):

    • Experienced a decrease in pollen count from 4 units to 0 units (a decrease of 4 units or 100%).

  • Urticaceae (Nettle):

    • Showed an increase in pollen count from 2 units to 6 units (an increase of 4 units or 200%).

  • Chenopodiaceae/ Amaranthaceae (Amaranth):

    • Experienced a decrease in pollen count from 0 units to 4 units (an increase of 4 units).

  • Other Weed Species:

    • Demonstrated a significant increase in pollen count from 4 units to 14 units (an increase of 10 units or 250%).

Mold Species:

  • Several mold species showed notable changes in their counts:

    • Alternaria:

      • Experienced a significant increase in mold count from 32 units to 139 units (an increase of 107 units or 334%).

    • Basidiomycetes:

      • Showed a substantial increase in mold count from 540 units to 1865 units (an increase of 1325 units or 245%).

    • Cercospora:

      • Demonstrated a significant increase in mold count from 2 units to 83 units (an increase of 81 units or 4050%).

    • Cladosporium:

      • Experienced a significant increase in mold count from 431 units to 2903 units (an increase of 2472 units or 574%).

    • Penicillium/Aspergillus:

      • Showed a notable increase in mold count from 60 units to 340 units (an increase of 280 units or 467%).

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