Houston Health Department
Pollen and Mold: Friday, April 9, 2021
Houston pollen and mold count — All counts below are in cubic meter air
 TREE POLLEN HEAVY 526 |
WEED POLLEN MEDIUM 26 |
GRASS POLLEN MEDIUM 14 |
MOLD SPORES MEDIUM 6,779 |
| The Major Tree Pollen Counted: | |||
| Acer (Maple) | 22 |
Morus (Mulberry) | 56 |
| Alnus (Alder) | 0 | Pinaceae (Pine) | 6 |
| Betula (Birch) | 4 | Platanus (Sycamore) | 14 |
| Carya (Hickory, Pecan) | 0 | Populus (Cottonwood) | 2 |
| Celtis (Hackberry) | 4 |
Quercus (Oak) | 336 |
| Corylus (Hazelnut) | 0 | Salix (Willow) | 8 |
| Cupressaceae (Cedar) | 12 | Tilia (Linden) | 0 |
| Fraxinus (Ash) | 48 | Ulmus (Elm) | 2 |
| Juglans (Walnut) | 0 | ||
| Liquidamber (Sweet Gum) | 0 | Other Tree Pollen/Unknown | 12 |
| The Major Weed Pollen Counted: | |||
| Ambrosia (Ragweed) | 0 | Plantago (Plantain) | 0 |
| Artemeisia (Sage) | 0 | Rumex (Sheep Sorel) | 4 |
| Asteraceae (Aster) | 0 | Typha (Cattail) | 0 |
| Amaranthaceae (Amaranth) | 2 | Urticaceae (Nettle) | 0 |
| Cyperaceae(Sedge) | 16 |
Other Weed Pollen | 4 |
| The Major Mold Spores Counted: | |||
| Algae | 68 |
Oidium/Erysiphe | 22 |
| Alternaria | 58 |
Penicillium/Aspergillus | 0 |
| Ascospores | 3,505 | Periconia | 6 |
| Basidiospores | 425 | Pithomyces | 2 |
| Cercospora | 6 | Rusts | 4 |
| Cladosporium | 2,575 | Smuts/Myxomycetes | 54 |
| Curvularia | 4 | Spegazzinia | 6 |
| Dreshslera/Helminthosporium | 4 |
Stemphilium | 2 |
| Epicoccum | 26 | Tetraploa | 0 |
| Nigrospora | 12 | Torula | 0 |
| *The next Pollen and Mold Spore Count report will be on Monday, April 12, 2021* | |||
| Recorded message is available at 713-247-5846. Information about air quality is available by calling 832-393-5612. |
|||
| 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 HEAVY |
WEED POLLEN MEDIUM |
GRASS POLLEN MEDIUM |
MOLD SPORES MEDIUM |