Houston Pollen & Mold — Tuesday, September 30, 2025
Measured counts from the Houston Health Department
Pollen: Heavy. Mold: Heavy.
TreesNone
0 grains/m³
GrassMedium
10 grains/m³
WeedsHeavy
414 grains/m³
MoldHeavy
14,715 spores/m³
This is an archived daily report. See today's Houston pollen count →