Houston Pollen & Mold — Monday, July 20, 2026
Measured counts from the Houston Health Department
Pollen: Medium. Mold: Medium.
TreesNone
0 grains/m³
GrassLow
2 grains/m³
WeedsMedium
42 grains/m³
MoldMedium
8,911 spores/m³
This is an archived daily report. See today's Houston pollen count →