Houston Health Department
Pollen and Mold: wednesday, February 24, 2021
Houston pollen and mold count — All counts below are in cubic meter air
![]() TREE POLLEN HEAVY 278 |
![]() WEED POLLEN NONE 0 |
![]() GRASS POLLEN NONE 0 |
![]() MOLD SPORES LOW 2,387 |
The Major Tree Pollen Counted: | |||
Acer (Maple) | 0 |
Morus (Mulberry) | 0 |
Alnus (Alder) | 0 | Pinaceae (Pine) | 8 |
Betula (Birch) | 4 | Platanus (Sycamore) | 0 |
Carya (Hickory, Pecan) | 0 | Populus (Cottonwood) | 0 |
Celtis (Hackberry) | 0 |
Quercus (Oak) | 0 |
Corylus (Hazelnut) | 0 | Salix (Willow) | 0 |
Cupressaceae (Cedar) | 240 | Tilia (Linden) | 0 |
Fraxinus (Ash) | 0 | Ulmus (Elm) | 26 |
Juglans (Walnut) | 0 | ||
Liquidamber (Sweet Gum) | 0 | Other Tree Pollen/Unknown | 0 |
The Major Weed Pollen Counted: | |||
Ambrosia (Ragweed) | 0 | Plantago (Plantain) | 0 |
Artemeisia (Sage) | 0 | Rumex (Sheep Sorel) | 0 |
Asteraceae (Aster) | 0 | Typha (Cattail) | 0 |
Amaranthaceae (Amaranth) | 0 | Urticaceae (Nettle) | 0 |
Cyperaceae(Sedge) | 0 |
Other Weed Pollen | 0 |
The Major Mold Spores Counted: | |||
Algae | 64 |
Oidium/Erysiphe | 0 |
Alternaria | 24 |
Penicillium/Aspergillus | 16 |
Ascospores | 1,927 |
Periconia | 0 |
Basidiospores | 64 |
Pithomyces | 2 |
Cercospora | 4 | Rusts | 0 |
Cladosporium | 129 |
Smuts/Myxomycetes | 95 |
Curvularia | 6 | Spegazzinia | 0 |
Dreshslera/Helminthosporium | 8 |
Stemphilium | 2 |
Epicoccum | 6 | Tetraploa | 0 |
Nigrospora | 34 | Torula | 6 |
*The next Pollen and Mold Spore Count report will be on Thursday, February 25, 2021* | |||
Recorded message is available at 713-247-5846. Information about air quality is available by calling 832-393-5612. |
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For additional information, email to: pollen.mold@houstontx.gov or call 832-393-3920. | |||
We are a pollen and mold count AAAAI-certified station. |