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Pollen History for Houston
Daily Pollen Levels
Tree
Overall Level None
Max Very Low
Grass
Overall Level Low
Max Moderate
Weed
Overall Level None
Max None
Compared to last year
Tree
Not enough data for Tree
Grass
Grass pollen is similar to the same period last year
Weed
Not enough data for Weed
| Time | Tree | Grass | Weed |
|---|---|---|---|
| Jul 26 | None | Very Low | None |
| Jul 25 | None | Very Low | None |
| Jul 24 | None | Very Low | None |
| Jul 23 | None | Very Low | None |
| Jul 22 | None | Very Low | None |
| Jul 21 | None | Very Low | None |
| Jul 20 | None | Very Low | None |
| Jul 19 | None | Very Low | None |
| Jul 18 | None | Very Low | None |
| Jul 17 | None | Very Low | None |
| Jul 16 | None | Very Low | None |
| Jul 15 | None | None | None |
| Jul 14 | None | Very Low | None |
| Jul 13 | None | Very Low | None |
| Jul 12 | None | Very Low | None |
| Jul 11 | None | Very Low | None |
| Jul 10 | None | Very Low | None |
| Jul 9 | None | Very Low | None |
| Jul 8 | None | Very Low | None |
| Jul 7 | None | Very Low | None |
| Jul 6 | None | Very Low | None |
| Jul 5 | None | Very Low | None |
| Jul 4 | None | Very Low | None |
| Jul 3 | None | Very Low | None |
| Jul 2 | None | Very Low | None |
| Jul 1 | None | Very Low | None |
| Jun 30 | None | Very Low | None |
| Jun 29 | None | Very Low | None |
| Jun 28 | None | Low | None |
| Jun 27 | None | Low | None |