Houston Pollen & Mold — Thursday, December 18, 2025
Measured counts from the Houston Health Department
Pollen: Medium. Mold: Low.
TreesNone
0 grains/m³
GrassNone
0 grains/m³
WeedsMedium
10 grains/m³
MoldLow
2,697 spores/m³
This is an archived daily report. See today's Houston pollen count →