Houston Pollen & Mold — Wednesday, March 4, 2026
Measured counts from the Houston Health Department
Pollen: Heavy. Mold: Medium.
TreesHeavy
666 grains/m³
GrassLow
2 grains/m³
WeedsNone
0 grains/m³
MoldMedium
6,589 spores/m³
This is an archived daily report. See today's Houston pollen count →