Houston Health Department

Pollen and Mold: Monday, March 20, 2023


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

Tree Pollen
TREE POLLEN
HEAVY
857

Weed Pollen
WEED POLLEN
MEDIUM
14

Grass Pollen
GRASS POLLEN
MEDIUM
8

Mold Pollen
MOLD SPORES
LOW
5,211



 
The Major Tree Pollen Counted:
  Acer (Maple) 52
  Morus (Mulberry) 10
  Alnus (Alder) 0   Pinaceae (Pine) 66
  Betula (Birch) 6   Platanus (Sycamore) 14
  Carya (Hickory, Pecan) 2   Populus (Cottonwood) 0
  Celtis (Hackberry) 6
  Quercus (Oak) 528
  Corylus (Hazelnut) 0   Salix (Willow) 2
  Cupressaceae (Cedar) 87   Tilia (Linden) 0
  Fraxinus (Ash) 50   Ulmus (Elm) 0
  Juglans (Walnut) 0   
  Liquidamber (Sweet Gum) 14   Other Tree Pollen/Unknown 20
 
The Major Weed Pollen Counted:
  Ambrosia (Ragweed) 0
  Plantago (Plantain) 6
  Artemeisia (Sage) 0
  Rumex (Sheep Sorel) 6
  Asteraceae (Aster) 0   Typha (Cattail) 0
  Amaranthaceae (Amaranth) 0
  Urticaceae (Nettle) 0
  Cyperaceae (Sedge) 0
  Other Weed Pollen 2
 
The Major Mold Spores Counted:
  Algae 113
  Oidium/Erysiphe 0
  Alternaria 36
  Penicillium/Aspergillus 316
 Ascospores 1,925   Periconia 0
  Basidiospores 218  Pithomyces 0
  Cercospora 0   Rusts 4
  Cladosporium 2,539   Smuts/Myxomycetes 50
  Curvularia 2   Spegazzinia 2
  Dreshslera/Helminthosporium 0
  Stemphilium 6
  Epicoccum 0   Tetraploa 0
  Nigrospora 0   Torula 0


*The next Pollen and Mold Spore Count report will be on Tuesday, March 21, 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.