Houston Pollen & Mold — Tuesday, November 18, 2025
Measured counts from the Houston Health Department
Pollen: Medium. Mold: Medium.
TreesLow
8 grains/m³
GrassLow
4 grains/m³
WeedsMedium
18 grains/m³
MoldMedium
12,870 spores/m³
This is an archived daily report. See today's Houston pollen count →