Houston Pollen & Mold — Wednesday, March 25, 2026
Measured counts from the Houston Health Department
Pollen: Extremely heavy. Mold: Medium.
TreesExtremely heavy
2,393 grains/m³
GrassMedium
12 grains/m³
WeedsLow
2 grains/m³
MoldMedium
7,082 spores/m³
This is an archived daily report. See today's Houston pollen count →