Houston Pollen & Mold — Monday, September 15, 2025
Measured counts from the Houston Health Department
Pollen: Heavy. Mold: Medium.
TreesHeavy
303 grains/m³
GrassMedium
12 grains/m³
WeedsHeavy
103 grains/m³
MoldMedium
10,504 spores/m³
This is an archived daily report. See today's Houston pollen count →