Houston Health Department

Pollen and Mold: Tuesday, April 13, 2021


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


Tree Pollen
TREE POLLEN
HEAVY
158
Weed Pollen
WEED POLLEN
LOW
6
Grass Pollen
GRASS POLLEN
MEDIUM
10
Mold Pollen
MOLD SPORES
LOW
5,289

 
The Major Tree Pollen Counted:
  Acer (Maple) 6
  Morus (Mulberry) 18
  Alnus (Alder) 0   Pinaceae (Pine) 16
  Betula (Birch) 12   Platanus (Sycamore) 14
  Carya (Hickory, Pecan) 0   Populus (Cottonwood) 0
  Celtis (Hackberry) 2
  Quercus (Oak) 42
  Corylus (Hazelnut) 0   Salix (Willow) 2
  Cupressaceae (Cedar) 4   Tilia (Linden) 0
  Fraxinus (Ash) 22   Ulmus (Elm) 2
  Juglans (Walnut) 0   
  Liquidamber (Sweet Gum) 0   Other Tree Pollen/Unknown 18
 
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) 2
  Other Weed Pollen 4
 
The Major Mold Spores Counted:
  Algae 129   Oidium/Erysiphe 2
  Alternaria 44   Penicillium/Aspergillus 45
 Ascospores 3,839   Periconia 6
  Basidiospores 437  Pithomyces 2
  Cercospora 8   Rusts 2
  Cladosporium 589   Smuts/Myxomycetes 91
  Curvularia 12
  Spegazzinia 2
  Dreshslera/Helminthosporium 10
  Stemphilium 4
  Epicoccum 38   Tetraploa 0
  Nigrospora 6   Torula 24


*The next Pollen and Mold Spore Count report will be on Wednesday, April 14, 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.