Houston Pollen & Mold — Thursday, June 18, 2026
Measured counts from the Houston Health Department
Pollen: Low. Mold: Medium.
TreesNone
0 grains/m³
GrassNone
0 grains/m³
WeedsLow
6 grains/m³
MoldMedium
7,565 spores/m³
This is an archived daily report. See today's Houston pollen count →