Houston Pollen & Mold — Thursday, September 4, 2025
Measured counts from the Houston Health Department
Pollen: Heavy. Mold: Heavy.
TreesLow
12 grains/m³
GrassMedium
8 grains/m³
WeedsHeavy
136 grains/m³
MoldHeavy
22,332 spores/m³
This is an archived daily report. See today's Houston pollen count →