Houston Pollen & Mold — Tuesday, May 12, 2026
Measured counts from the Houston Health Department
Pollen: Medium. Mold: Heavy.
TreesLow
4 grains/m³
GrassMedium
12 grains/m³
WeedsMedium
22 grains/m³
MoldHeavy
16,085 spores/m³
This is an archived daily report. See today's Houston pollen count →