Houston Pollen & Mold — Tuesday, May 20, 2025
Measured counts from the Houston Health Department
Pollen: Medium. Mold: Low.
TreesNone
0 grains/m³
GrassMedium
16 grains/m³
WeedsMedium
34 grains/m³
MoldLow
6,216 spores/m³
This is an archived daily report. See today's Houston pollen count →