Houston Texas Pollen and Mold Counts (October 15, 2024, to October 16, 2024)
Pollen:
- Total Tree Pollen: Dropped significantly to 297 (from 1,326, -78%), driven primarily by a large decrease in Ulmus (Elm).
- Total Grass Pollen: Decreased to 10 (from 14, -29%).
- Total Weed Pollen: Increased to 1,346 (from 785, +71%), largely due to a spike in Ambrosia (Ragweed).
Mold:
- Total Mold: Increased to 15,931 (from 11,522, +38%), driven by significant rises in Cladosporium and Basidiomycetes.
Detailed Changes:
Tree Pollen:
- Cupressaceae (Cedar): Dropped by 16 (from 20 to 4, -80%).
- Ulmus (Elm): Dropped sharply by 1,013 (from 1,306 to 293, -78%).
Grass Pollen:
- Decreased by 4 (from 14 to 10).
Weed Pollen:
- Ambrosia (Ragweed): Spiked by 573 (from 769 to 1,342, +75%).
- Chenopodiaceae/Amaranthaceae (Amaranth): Dropped by 4 (from 6 to 2, -67%).
- Other Weed: Dropped by 8 (from 8 to 0, -100%).
Mold:
- Basidiomycetes: Increased significantly by 1,041 (from 1,814 to 2,855, +57%).
- Cladosporium: Spiked by 3,949 (from 4,981 to 8,930, +79%).
- Oidium/Erysiphe (Powdery Mildew): Increased by 8 (from 2 to 10, +400%).
- Rust: Doubled, increasing by 20 (from 20 to 40, +100%).
- Torula: Increased by 10 (from 2 to 12, +500%).
- Alternaria: Dropped by 34 (from 143 to 109, -24%).
- Cercospora: Dropped by 164 (from 295 to 131, -56%).
- Curvularia: Dropped by 39 (from 227 to 188, -17%).
- Nigrospora: Dropped by 14 (from 16 to 2, -88%).
- Smuts/Myxomycete: Dropped by 330 (from 694 to 364, -48%).
- Periconia: Dropped by 34 (from 58 to 24, -59%).
Summary:
- Houston Texas Pollen: Overall pollen counts decreased by 22%. Tree pollen dropped significantly due to a sharp decline in Ulmus (Elm), while weed pollen surged, driven by a large increase in Ambrosia (Ragweed).
- Houston Texas Mold: Mold counts rose by 38%, led by large increases in Cladosporium and Basidiomycetes, though several molds like Smuts/Myxomycete and Nigrospora experienced significant declines.
Leave a Reply