Houston Pollen & Mold — Monday, May 11, 2026
Measured counts from the Houston Health Department
Pollen: Heavy. Mold: Medium.
TreesMedium
16 grains/m³
GrassHeavy
20 grains/m³
WeedsMedium
32 grains/m³
MoldMedium
11,082 spores/m³
This is an archived daily report. See today's Houston pollen count →