Houston Pollen & Mold — Monday, March 9, 2026
Measured counts from the Houston Health Department
Pollen: Heavy. Mold: Heavy.
TreesHeavy
422 grains/m³
GrassNone
0 grains/m³
WeedsNone
0 grains/m³
MoldHeavy
14,609 spores/m³
This is an archived daily report. See today's Houston pollen count →