Houston Pollen & Mold — Tuesday, September 23, 2025
Measured counts from the Houston Health Department
Pollen: Heavy. Mold: Medium.
TreesMedium
18 grains/m³
GrassLow
4 grains/m³
WeedsHeavy
194 grains/m³
MoldMedium
10,508 spores/m³
This is an archived daily report. See today's Houston pollen count →