Houston Health Department

Pollen and Mold: Thursday, March 16, 2023


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


Tree Pollen
TREE POLLEN
HEAVY
1,223

Weed Pollen
WEED POLLEN
LOW
6

Grass Pollen
GRASS POLLEN
MEDIUM
18

Mold Pollen
MOLD SPORES
MEDIUM
7,058

 
The Major Tree Pollen Counted:
  Acer (Maple) 24
  Morus (Mulberry) 6
  Alnus (Alder) 0   Pinaceae (Pine) 36
  Betula (Birch) 6   Platanus (Sycamore) 12
  Carya (Hickory, Pecan) 18   Populus (Cottonwood) 6
  Celtis (Hackberry) 85
  Quercus (Oak) 911
  Corylus (Hazelnut) 0   Salix (Willow) 6
  Cupressaceae (Cedar) 4   Tilia (Linden) 0
  Fraxinus (Ash) 85   Ulmus (Elm) 0
  Juglans (Walnut) 0   
  Liquidamber (Sweet Gum) 0   Other Tree Pollen/Unknown 24
 
The Major Weed Pollen Counted:
  Ambrosia (Ragweed) 0
  Plantago (Plantain) 0
  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 0
 
The Major Mold Spores Counted:
  Algae 12
  Oidium/Erysiphe 12
  Alternaria 48
  Penicillium/Aspergillus 72
 Ascospores 2,824   Periconia 12
  Basidiospores 716  Pithomyces 0
  Cercospora 6   Rusts 24
  Cladosporium 3,201   Smuts/Myxomycetes 73
  Curvularia 6   Spegazzinia 10
  Dreshslera/Helminthosporium 0
  Stemphilium 0
  Epicoccum 12   Tetraploa 0
  Nigrospora 6   Torula 24


*The next Pollen and Mold Spore Count report will be on Friday, March 17, 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.