Houston Pollen & Mold — Thursday, March 26, 2026
Measured counts from the Houston Health Department
Pollen: Extremely heavy. Mold: Medium.
TreesExtremely heavy
2,254 grains/m³
GrassLow
2 grains/m³
WeedsNone
0 grains/m³
MoldMedium
7,771 spores/m³
This is an archived daily report. See today's Houston pollen count →