Houston Pollen & Mold — Tuesday, October 21, 2025
Measured counts from the Houston Health Department
Pollen: Heavy. Mold: Heavy.
TreesHeavy
147 grains/m³
GrassMedium
8 grains/m³
WeedsHeavy
398 grains/m³
MoldHeavy
13,384 spores/m³
This is an archived daily report. See today's Houston pollen count →