Houston Health Department

Pollen and Mold: Tuesday, September 21, 2021


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


Tree Pollen
TREE POLLEN
EXTREMELY HEAVY
4,171

Weed Pollen
WEED POLLEN
MEDIUM
40
Grass Pollen
GRASS POLLEN
MEDIUM
12

Mold Pollen
MOLD SPORES
MEDIUM
7,360

 
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) 4,171
  Juglans (Walnut) 0   
  Liquidamber (Sweet Gum) 0   Other Tree Pollen/Unknown 0
 
The Major Weed Pollen Counted:
  Ambrosia (Ragweed) 24
  Plantago (Plantain) 0
  Artemeisia (Sage) 2   Rumex (Sheep Sorel) 0
  Asteraceae (Aster) 0   Typha (Cattail) 0
  Amaranthaceae (Amaranth) 4
  Urticaceae (Nettle) 0
  Cyperaceae(Sedge) 6
  Other Weed Pollen 4
 
The Major Mold Spores Counted:
  Algae 0   Oidium/Erysiphe 4
  Alternaria 22
  Penicillium/Aspergillus 271
 Ascospores 3,798   Periconia 8
  Basidiospores 1,409  Pithomyces 10
  Cercospora 140
  Rusts 2
  Cladosporium 1,454   Smuts/Myxomycetes 69
  Curvularia 111
  Spegazzinia 0
  Dreshslera/Helminthosporium 14
  Stemphilium 2
  Epicoccum 0
  Tetraploa 4
  Nigrospora 40   Torula 2


*The next Pollen and Mold Spore Count report will be on Wednesday, September 21, 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.