Houston Pollen & Mold — Tuesday, March 18, 2025
Measured counts from the Houston Health Department
Pollen: Heavy. Mold: Low.
TreesHeavy
1,491 grains/m³
GrassMedium
8 grains/m³
WeedsMedium
14 grains/m³
MoldLow
5,149 spores/m³
This is an archived daily report. See today's Houston pollen count →