Houston Pollen & Mold — Tuesday, June 30, 2026
Measured counts from the Houston Health Department
Pollen: Heavy. Mold: Low.
TreesNone
0 grains/m³
GrassLow
4 grains/m³
WeedsHeavy
60 grains/m³
MoldLow
4,461 spores/m³
This is an archived daily report. See today's Houston pollen count →