Houston Pollen & Mold — Wednesday, March 19, 2025
Measured counts from the Houston Health Department
Pollen: Extremely heavy. Mold: Low.
TreesExtremely heavy
1,736 grains/m³
GrassHeavy
22 grains/m³
WeedsMedium
10 grains/m³
MoldLow
3,946 spores/m³
This is an archived daily report. See today's Houston pollen count →