Houston Pollen & Mold — Monday, April 21, 2025
Measured counts from the Houston Health Department
Pollen: Medium. Mold: Low.
TreesMedium
76 grains/m³
GrassMedium
16 grains/m³
WeedsLow
8 grains/m³
MoldLow
3,668 spores/m³
This is an archived daily report. See today's Houston pollen count →