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Pollen History for Houston
Daily Pollen Levels
Tree
Overall Level Very Low
Max Very Low
Grass
Overall Level Low
Max Moderate
Weed
Overall Level None
Max None
Compared to last year
Tree
Tree pollen is 19% lower than the same period last year
Grass
Grass pollen is 12% higher than the same period last year
Weed
Not enough data for Weed
| Time | Tree | Grass | Weed |
|---|---|---|---|
| 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 |
| Jun 26 | None | Low | None |
| Jun 25 | None | Low | None |
| Jun 24 | None | Low | None |
| Jun 23 | None | Low | None |
| Jun 22 | None | Low | None |
| Jun 21 | None | Low | None |
| Jun 20 | None | Very Low | None |
| Jun 19 | None | Low | None |
| Jun 18 | None | Very Low | None |
| Jun 17 | None | Very Low | None |
| Jun 16 | None | None | None |
| Jun 15 | None | Very Low | None |
| Jun 14 | None | Low | None |