Houston Pollen & Mold — Wednesday, January 21, 2026
Measured counts from the Houston Health Department
Pollen: Low. Mold: Low.
TreesLow
8 grains/m³
GrassNone
0 grains/m³
WeedsNone
0 grains/m³
MoldLow
3,377 spores/m³
This is an archived daily report. See today's Houston pollen count →