Houston Pollen & Mold — Wednesday, May 13, 2026
Measured counts from the Houston Health Department
Pollen: Heavy. Mold: Heavy.
TreesLow
14 grains/m³
GrassMedium
10 grains/m³
WeedsHeavy
72 grains/m³
MoldHeavy
17,609 spores/m³
This is an archived daily report. See today's Houston pollen count →