Houston Pollen & Mold — Thursday, October 9, 2025
Measured counts from the Houston Health Department
Pollen: Extremely heavy. Mold: Heavy.
TreesLow
8 grains/m³
GrassHeavy
20 grains/m³
WeedsExtremely heavy
1,010 grains/m³
MoldHeavy
13,676 spores/m³
This is an archived daily report. See today's Houston pollen count →