Houston Pollen & Mold — Thursday, June 4, 2026
Measured counts from the Houston Health Department
Pollen: Low. Mold: Heavy.
TreesNone
0 grains/m³
GrassLow
2 grains/m³
WeedsLow
6 grains/m³
MoldHeavy
15,688 spores/m³
This is an archived daily report. See today's Houston pollen count →