Houston Pollen & Mold — Monday, September 29, 2025
Measured counts from the Houston Health Department
Pollen: Heavy. Mold: Heavy.
TreesNone
0 grains/m³
GrassLow
2 grains/m³
WeedsHeavy
390 grains/m³
MoldHeavy
18,129 spores/m³
This is an archived daily report. See today's Houston pollen count →