Houston Pollen & Mold — Tuesday, March 24, 2026
Measured counts from the Houston Health Department
Pollen: Extremely heavy. Mold: Low.
TreesExtremely heavy
2,073 grains/m³
GrassMedium
10 grains/m³
WeedsNone
0 grains/m³
MoldLow
5,328 spores/m³
This is an archived daily report. See today's Houston pollen count →