Houston Pollen & Mold — Tuesday, May 19, 2026
Measured counts from the Houston Health Department
Pollen: Medium. Mold: Low.
TreesLow
14 grains/m³
GrassMedium
16 grains/m³
WeedsMedium
22 grains/m³
MoldLow
4,008 spores/m³
This is an archived daily report. See today's Houston pollen count →