Houston Health Department

Pollen and Mold: Wednesday, October 13, 2021


Houston pollen and mold count — All counts below are in cubic meter air


Tree Pollen
TREE POLLEN
LOW
8
Weed Pollen
WEED POLLEN
HEAVY
325
Grass Pollen
GRASS POLLEN
MEDIUM
16

Mold Pollen
MOLD SPORES
MEDIUM
9,577

 
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) 8
  Juglans (Walnut) 0   
  Liquidamber (Sweet Gum) 0   Other Tree Pollen/Unknown 0
 
The Major Weed Pollen Counted:
  Ambrosia (Ragweed) 295   Plantago (Plantain) 0
  Artemeisia (Sage) 0   Rumex (Sheep Sorel) 0
  Asteraceae (Aster) 0   Typha (Cattail) 4
  Amaranthaceae (Amaranth) 0   Urticaceae (Nettle) 18
  Cyperaceae(Sedge) 2   Other Weed Pollen 6
 
The Major Mold Spores Counted:
  Algae 32
  Oidium/Erysiphe 6
  Alternaria 20
  Penicillium/Aspergillus 64
 Ascospores 6,555   Periconia 0
  Basidiospores 1,360  Pithomyces 4
  Cercospora 54   Rusts 20
  Cladosporium 1,245   Smuts/Myxomycetes 105
  Curvularia

62

  Spegazzinia 4
  Dreshslera/Helminthosporium 16
  Stemphilium 0
  Epicoccum 0   Tetraploa 0
  Nigrospora 28   Torula 2


*The next Pollen and Mold Spore Count report will be on Thursday, October 14, 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.