Houston Pollen and Mold Reports
Daily updated counts and reports for trees, weed, grass and mold are available in the above buttons.
Mold remains heavy in Houston; pollen has moderated
Here's a summary of the changes for May 15, 2024, to May 16, 2024:
Tree Pollen: Decreased significantly from 44 to 8, showing a decline of 36 or -82%.
Grass Pollen: Decreased from 58 to 18, marking a decline of 40 or -69%.
Weed Pollen: Increased from 24 to 46, indicating a rise of 22 or 92%.
Total Pollen Count: Decreased from 126 to 72, showing a decline of 54 or -43%.
Total Mold Count: Increased from 15006 to 18152, marking a rise of 3146 or 21%.
Species Highlights:
Hickory/Pecan (Tree): Decreased from 18 to 6, showing a decline of 12 or -67%.
Hackberry (Tree): Decreased from 4 to 0.
Mulberry (Tree): Decreased from 12 to 0.
Pine (Tree): Decreased from 4 to 0.
Algae (Mold): Decreased from 40 to 20, marking a decline of 20 or -50%.
Alternaria (Mold): Slightly increased from 854 to 866, showing a rise of 12 or 1%.
Ascomycetes (Mold): Increased from 3871 to 4920, indicating a rise of 1049 or 27%.
Basidiomycetes (Mold): Decreased from 3286 to 1753, showing a decline of 1533 or -47%.
Cladosporium (Mold): Increased from 5937 to 9817, marking a rise of 3880 or 65%.
Curvularia (Mold): Decreased from 24 to 18, showing a decline of 6 or -25%.
Drechslera/Helmintho. (Mold): Decreased from 127 to 38, indicating a decline of 89 or -70%.
Epicoccum (Mold): Decreased from 62 to 14, showing a decline of 48 or -77%.
Nigrospora (Mold): Increased from 2 to 22, marking a rise of 20 or 1000%.
Oidium/Erysiphe(Powdery Mildew) (Mold): Increased from 8 to 14, showing a rise of 6 or 75%.
Penicillium/Aspergillus (Mold): Slightly increased from 283 to 320, indicating a rise of 37 or 13%.
Pithomyces (Mold): Decreased from 14 to 2, showing a decline of 12 or -86%.
Rust (Mold): Decreased from 12 to 6, marking a decline of 6 or -50%.
Stemphyllium (Mold): Decreased from 34 to 10, indicating a decline of 24 or -71%.
Torula (Mold): Increased from 0 to 18.
Grass and mold are both heavy; tree and weed pollen increase to medium levels
Here's a summary of the changes for May 14, 2024, to May 15, 2024:
Tree Pollen: Increased significantly from 2 to 44, showing a rise of 42 or 2100%.
Grass Pollen: Increased from 10 to 58, marking a gain of 48 or 480%.
Weed Pollen: Increased from 12 to 24, indicating a rise of 12 or 100%.
Total Pollen Count: Increased from 24 to 126, showing a significant rise of 102 or 425%.
Total Mold Count: Decreased from 16089 to 15006, marking a decline of 1083 or -7%.
Species Highlights:
Hickory/Pecan (Tree): Increased from 0 to 18, showing a rise of 18.
Mulberry (Tree): Increased from 0 to 12, indicating a gain of 12.
Pine (Tree): Increased from 2 to 4, marking a rise of 2 or 100%.
Plantain (Weed): Decreased from 6 to 0, showing a decline of 6 or -100%.
Alternaria (Mold): Increased from 26 to 854, indicating a significant gain of 828 or 3185%.
Ascomycetes (Mold): Decreased from 10072 to 3871, marking a decline of 6201 or -62%.
Basidiomycetes (Mold): Increased from 2010 to 3286, showing a rise of 1276 or 63%.
Cercospora (Mold): Increased from 44 to 357, indicating a significant gain of 313 or 711%.
Cladosporium (Mold): Increased from 3207 to 5937, marking a rise of 2730 or 85%.
Drechslera/Helmintho. (Mold): Increased from 2 to 127, showing a significant rise of 125 or 6250%.
Epicoccum (Mold): Increased from 2 to 62, indicating a gain of 60 or 3000%.
Pithomyces (Mold): Increased from 2 to 14, showing a rise of 12 or 600%.
Stemphyllium (Mold): Increased from 2 to 34, marking a gain of 32 or 1600%.
Mold almost doubles to heavy levels in Houston; pollen low
Here's a summary of the changes for May 13, 2024, to May 14, 2024:
Tree Pollen: No change, remaining at 2.
Grass Pollen: Increased from 6 to 10, showing a rise of 4 or 67%.
Weed Pollen: Increased from 6 to 12, indicating a gain of 6 or 100%.
Total Pollen Count: Increased from 14 to 24, showing a rise of 10 or 71%.
Total Mold Count: Increased significantly from 8236 to 16089, marking a gain of 7853 or 95%.
Species Highlights:
Plantain (Weed): Increased from 0 to 6, indicating a gain of 6.
Nettle (Weed): Decreased from 4 to 0, marking a decline of 4 or 100%.
Other Weed: Increased from 2 to 6, showing a rise of 4 or 200%.
Alternaria (Mold): Increased from 8 to 26, indicating a gain of 18 or 225%.
Ascomycetes (Mold): Increased from 5376 to 10072, marking a rise of 4696 or 87%.
Basidiomycetes (Mold): Increased from 1372 to 2010, showing a rise of 638 or 47%.
Cercospora (Mold): Increased from 0 to 44, indicating a gain of 44.
Cladosporium (Mold): Increased from 1002 to 3207, marking a significant rise of 2205 or 220%.
Penicillium/Aspergillus (Mold): Increased from 105 to 304, showing a rise of 199 or 190%.
Rust (Mold): Increased from 10 to 14, indicating a gain of 4 or 40%.