Houston Pollen & Mold — Thursday, May 22, 2025
Measured counts from the Houston Health Department
Pollen: Heavy. Mold: Heavy.
TreesLow
6 grains/m³
GrassHeavy
26 grains/m³
WeedsMedium
42 grains/m³
MoldHeavy
16,306 spores/m³
This is an archived daily report. See today's Houston pollen count →