Houston Health Department
Pollen and Mold: Friday, September 24, 2021
Houston pollen and mold count — All counts below are in cubic meter air
 TREE POLLEN MEDIUM 75 |
WEED POLLEN HEAVY 192 |
GRASS POLLEN LOW 2 |
MOLD SPORES HEAVY 13,280 |
| The Major Tree Pollen Counted: | |||
| Acer (Maple) | 0 |
Morus (Mulberry) | 0 |
| Alnus (Alder) | 0 | Pinaceae (Pine) | 0 |
| Betula (Birch) | 0 | Platanus (Sycamore) | 0 |
| Carya (Hickory, Pecan) | 0 | Populus (Cottonwood) | 0 |
| Celtis (Hackberry) | 0 |
Quercus (Oak) | 0 |
| Corylus (Hazelnut) | 0 | Salix (Willow) | 0 |
| Cupressaceae (Cedar) | 0 | Tilia (Linden) | 0 |
| Fraxinus (Ash) | 0 | Ulmus (Elm) | 75 |
| Juglans (Walnut) | 0 | ||
| Liquidamber (Sweet Gum) | 0 | Other Tree Pollen/Unknown | 0 |
| The Major Weed Pollen Counted: | |||
| Ambrosia (Ragweed) | 166 | Plantago (Plantain) | 0 |
| Artemeisia (Sage) | 0 | Rumex (Sheep Sorel) | 2 |
| Asteraceae (Aster) | 0 | Typha (Cattail) | 4 |
| Amaranthaceae (Amaranth) | 2 | Urticaceae (Nettle) | 0 |
| Cyperaceae(Sedge) | 6 |
Other Weed Pollen | 12 |
| The Major Mold Spores Counted: | |||
| Algae | 105 |
Oidium/Erysiphe | 10 |
| Alternaria | 95 |
Penicillium/Aspergillus | 250 |
| Ascospores | 4,920 | Periconia | 58 |
| Basidiospores | 1,057 | Pithomyces | 20 |
| Cercospora | 538 | Rusts | 8 |
| Cladosporium | 5,753 | Smuts/Myxomycetes | 164 |
| Curvularia | 172 | Spegazzinia | 6 |
| Dreshslera/Helminthosporium | 22 |
Stemphilium | 6 |
| Epicoccum | 22 |
Tetraploa | 4 |
| Nigrospora | 58 | Torula | 12 |
| *The next Pollen and Mold Spore Count report will be on Monday, September 27, 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. |
Weekend Forecast
TREE POLLEN MEDIUM |
WEED POLLEN HEAVY |
GRASS POLLEN MEDIUM |
MOLD SPORES MEDIUM |