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Pollen History for Porto
Daily Pollen Levels
Tree
Overall Level Low
Max High
Grass
Overall Level Low
Max High
Weed
Overall Level None
Max None
| Time | Tree | Grass | Weed |
|---|---|---|---|
| May 29 | Moderate | Moderate | None |
| May 28 | Moderate | Moderate | None |
| May 27 | Moderate | Moderate | None |
| May 26 | Low | Moderate | None |
| May 25 | Moderate | Moderate | None |
| May 24 | Moderate | Moderate | None |
| May 23 | Moderate | Moderate | None |
| May 22 | High | High | None |
| May 21 | Moderate | Moderate | None |
| May 20 | Very Low | Moderate | None |
| May 19 | Very Low | Low | None |
| May 18 | Very Low | Moderate | None |
| May 17 | Very Low | Low | None |
| May 16 | Very Low | Moderate | None |
| May 15 | Very Low | Moderate | None |
| May 14 | Very Low | Moderate | None |
| May 13 | Very Low | Low | None |
| May 12 | Very Low | Low | None |
| May 11 | Very Low | Very Low | None |
| May 10 | Very Low | Very Low | None |
| May 9 | Very Low | Low | None |
| May 8 | Low | Low | None |
| May 7 | Very Low | Low | None |
| May 6 | Very Low | Low | None |
| May 5 | Low | Low | None |
| May 4 | Low | Low | None |
| May 3 | Very Low | Low | None |
| May 2 | Very Low | Very Low | None |
| May 1 | Low | Low | None |
| Apr 30 | Low | Low | None |