Houston Pollen & Mold — Monday, April 20, 2026
Measured counts from the Houston Health Department
Pollen: Heavy. Mold: Medium.
TreesHeavy
277 grains/m³
GrassMedium
8 grains/m³
WeedsMedium
18 grains/m³
MoldMedium
10,721 spores/m³
This is an archived daily report. See today's Houston pollen count →