Houston Pollen & Mold — Tuesday, March 31, 2026
Measured counts from the Houston Health Department
Pollen: Heavy. Mold: Low.
TreesHeavy
863 grains/m³
GrassNone
0 grains/m³
WeedsLow
2 grains/m³
MoldLow
6,306 spores/m³
This is an archived daily report. See today's Houston pollen count →