Houston Pollen & Mold — Monday, March 31, 2025
Measured counts from the Houston Health Department
Pollen: Extremely heavy. Mold: Medium.
TreesExtremely heavy
1,806 grains/m³
GrassMedium
8 grains/m³
WeedsMedium
12 grains/m³
MoldMedium
11,740 spores/m³
This is an archived daily report. See today's Houston pollen count →