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Pollen History for Houston
Daily Pollen Levels
Tree
Overall Level Very Low
Max Low
Grass
Overall Level Very Low
Max Moderate
Weed
Overall Level None
Max None
| Time | Tree | Grass | Weed |
|---|---|---|---|
| Apr 16 | Very Low | Moderate | None |
| Apr 15 | Very Low | Moderate | None |
| Apr 14 | Very Low | Moderate | None |
| Apr 13 | Very Low | Moderate | None |
| Apr 12 | Very Low | Low | None |
| Apr 11 | Very Low | Low | None |
| Apr 10 | Very Low | Low | None |
| Apr 9 | Very Low | Low | None |
| Apr 8 | Low | Moderate | None |
| Apr 7 | Low | Moderate | None |
| Apr 6 | Low | Moderate | None |
| Apr 5 | Low | Low | None |
| Apr 4 | Very Low | Low | None |
| Apr 3 | Low | Low | None |
| Apr 2 | Very Low | Low | None |
| Apr 1 | Low | Low | None |
| Mar 31 | Low | Low | None |
| Mar 30 | Low | Low | None |
| Mar 29 | Low | Low | None |
| Mar 28 | Low | Moderate | None |
| Mar 27 | Low | Low | None |
| Mar 26 | Low | Low | None |
| Mar 25 | Low | Low | None |
| Mar 24 | Low | Low | None |
| Mar 23 | Low | Low | None |
| Mar 22 | Low | Low | None |
| Mar 21 | Low | Low | None |
| Mar 20 | Low | Low | None |
| Mar 19 | Low | Low | None |
| Mar 18 | Low | Low | None |