Houston Health Department

Pollen and Mold: Wednesday, March 22, 2023


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

Tree Pollen
TREE POLLEN
HEAVY
440

Weed Pollen
WEED POLLEN
NONE
0

Grass Pollen
GRASS POLLEN
MEDIUM
8


Mold Pollen
MOLD SPORES
LOW
3,696



 
The Major Tree Pollen Counted:
  Acer (Maple) 4
  Morus (Mulberry) 6
  Alnus (Alder) 0   Pinaceae (Pine) 6
  Betula (Birch) 0   Platanus (Sycamore) 12
  Carya (Hickory, Pecan) 6   Populus (Cottonwood) 0
  Celtis (Hackberry) 14
  Quercus (Oak) 295
  Corylus (Hazelnut) 0   Salix (Willow) 2
  Cupressaceae (Cedar) 0   Tilia (Linden) 0
  Fraxinus (Ash) 85   Ulmus (Elm) 0
  Juglans (Walnut) 0   
  Liquidamber (Sweet Gum) 2   Other Tree Pollen/Unknown 8
 
The Major Weed Pollen Counted:
  Ambrosia (Ragweed) 0
  Plantago (Plantain) 0
  Artemeisia (Sage) 0
  Rumex (Sheep Sorel) 0
  Asteraceae (Aster) 0   Typha (Cattail) 0
  Amaranthaceae (Amaranth) 0
  Urticaceae (Nettle) 0
  Cyperaceae (Sedge) 0
  Other Weed Pollen 0
 
The Major Mold Spores Counted:
  Algae 198
  Oidium/Erysiphe 8
  Alternaria 24
  Penicillium/Aspergillus 68
 Ascospores 1,980   Periconia 0
  Basidiospores 261  Pithomyces 0
  Cercospora 0   Rusts 12
  Cladosporium 1,075   Smuts/Myxomycetes 62
  Curvularia 4   Spegazzinia 2
  Dreshslera/Helminthosporium 0
  Stemphilium 0
  Epicoccum 0   Tetraploa 0
  Nigrospora 2   Torula 0


*The next Pollen and Mold Spore Count report will be on Thrusday, March 23, 2023*
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.