Houston Pollen & Mold — Tuesday, March 21, 2023
Measured counts from the Houston Health Department
Pollen: Heavy. Mold: Low.
TreesHeavy
603 grains/m³
GrassLow
4 grains/m³
WeedsLow
4 grains/m³
MoldLow
2,432 spores/m³
This is an archived daily report. See today's Houston pollen count →