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.

1 Year / 60 day Houston pollen/mold breakdowns

To get to individual/species level summaries, click here

Tree Weed Grass Mold
Heavy None Low Low
283 0 2 1063
Data last updated:
02/06/2026

60 day breakdown

1 year breakdown

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Frequently asked questions

Houston’s data-based pollen and mold resource

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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https://www.reddit.com/r/HoustonPollen

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