Houston Pollen & Mold — Wednesday, September 17, 2025
Measured counts from the Houston Health Department
Pollen: Heavy. Mold: Medium.
TreesMedium
60 grains/m³
GrassMedium
12 grains/m³
WeedsHeavy
84 grains/m³
MoldMedium
11,318 spores/m³
This is an archived daily report. See today's Houston pollen count →