Houston Health Department

Pollen and Mold: Thursday, July 22, 2021


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


Tree Pollen
TREE POLLEN
NONE

Weed Pollen
WEED POLLEN
MEDIUM
18
Grass Pollen
GRASS POLLEN
LOW
4

Mold Pollen
MOLD SPORES
MEDIUM
7,706

 
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) 0
  Juglans (Walnut) 0   
  Liquidamber (Sweet Gum) 0   Other Tree Pollen/Unknown 0
 
The Major Weed Pollen Counted:
  Ambrosia (Ragweed) 2   Plantago (Plantain) 0
  Artemeisia (Sage) 0   Rumex (Sheep Sorel) 0
  Asteraceae (Aster) 0   Typha (Cattail) 0
  Amaranthaceae (Amaranth) 2   Urticaceae (Nettle) 0
  Cyperaceae(Sedge) 4
  Other Weed Pollen 10
 
The Major Mold Spores Counted:
  Algae 4   Oidium/Erysiphe 8
  Alternaria 8
  Penicillium/Aspergillus 210
 Ascospores 4,831   Periconia 6
  Basidiospores 1,802  Pithomyces 4
  Cercospora 12   Rusts 0
  Cladosporium 453   Smuts/Myxomycetes 290
  Curvularia 40   Spegazzinia 0
  Dreshslera/Helminthosporium 18
  Stemphilium 0
  Epicoccum 6   Tetraploa 0
  Nigrospora 12   Torula 2


*The next Pollen and Mold Spore Count report will be on Friday, July 23, 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.