Houston tree and weed pollen are medium, which brings welcome relief; mold is meh

*Programming note: I was off enjoying the solar eclipse yesterday. Updates from yesterday are in

Summary of Pollen and Mold Levels (Apr 9, 2024 vs. Apr 8, 2024):

Pollen Levels:

Tree Total Pollen: Increased from 70 to 78, indicating a rise of 8 (11%).
Grass Total Pollen: Increased from 22 to 28, showing a rise of 6 (27%).
Weed Total Pollen: Decreased from 10 to 8, a decrease of 2 (-20%).
Total Tree, Weed, Grass Pollen: Increased from 102 to 114, marking an increase of 12 (12%).

Mold Levels:

Total Mold: Increased from 5938 to 6352, indicating a rise of 414 (7%).
Notable changes include a significant increase in Cladosporium (40%), and varying changes in other mold species.

Overall, there were modest increases observed in tree and grass pollen levels, a slight decrease in weed pollen, and an overall increase in total pollen. Mold levels also saw a moderate increase, particularly in Cladosporium.

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I aim to provide useful historical data for your pollen mold allergies. Whether you are located in Houston, Austin, San Antonio, or any of the nearby regions, this site aims to provide you some knowledge about the local trees, grasses, weeds, and molds in your area

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Detailed pollen and mold reports for Houston Texas. Pollen and mold spore counts are made available Monday through Friday, except for City of Houston holidays.