Houston Pollen & Mold — Thursday, September 25, 2025
Measured counts from the Houston Health Department
Pollen: Heavy. Mold: Heavy.
TreesLow
2 grains/m³
GrassLow
4 grains/m³
WeedsHeavy
226 grains/m³
MoldHeavy
13,788 spores/m³
This is an archived daily report. See today's Houston pollen count →