Houston Pollen & Mold — Thursday, May 28, 2026
Measured counts from the Houston Health Department
Pollen: Low. Mold: Heavy.
TreesNone
0 grains/m³
GrassNone
0 grains/m³
WeedsLow
2 grains/m³
MoldHeavy
18,787 spores/m³
This is an archived daily report. See today's Houston pollen count →