Houston Pollen & Mold — Wednesday, September 24, 2025
Measured counts from the Houston Health Department
Pollen: Heavy. Mold: Medium.
TreesLow
14 grains/m³
GrassMedium
8 grains/m³
WeedsHeavy
186 grains/m³
MoldMedium
9,911 spores/m³
This is an archived daily report. See today's Houston pollen count →