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Pollen History for Houston
Daily Pollen Levels
Tree
Overall Level None
Max None
Grass
Overall Level Very Low
Max Low
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 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 |
| Jun 13 | None | Low | None |
| Jun 12 | None | Low | None |