Houston Pollen & Mold — Friday, September 18, 2026
Measured counts from the Houston Health Department
Pollen: Heavy. Mold: Medium.
TreesNone
0 grains/m³
GrassMedium
8 grains/m³
WeedsHeavy
64 grains/m³
MoldMedium
6,870 spores/m³
This is an archived daily report. See today's Houston pollen count →