Houston Pollen & Mold — Thursday, July 23, 2026
Measured counts from the Houston Health Department
Pollen: Medium. Mold: Heavy.
TreesNone
0 grains/m³
GrassMedium
12 grains/m³
WeedsMedium
44 grains/m³
MoldHeavy
15,873 spores/m³
This is an archived daily report. See today's Houston pollen count →