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Pollen History for Rotterdam
Daily Pollen Levels
Tree
Overall Level None
Max None
Grass
Overall Level Low
Max Moderate
Weed
Overall Level Very Low
Max Moderate
Compared to last year
Tree
Not enough data for Tree
Grass
Grass pollen is 10% lower than the same period last year
Weed
Weed pollen is 13% higher than the same period last year
| Time | Tree | Grass | Weed |
|---|---|---|---|
| Sep 7 | None | Very Low | Very Low |
| Sep 6 | None | Low | Very Low |
| Sep 5 | None | Very Low | Very Low |
| Sep 4 | None | Very Low | Very Low |
| Sep 3 | None | Very Low | Very Low |
| Sep 2 | None | Very Low | Very Low |
| Sep 1 | None | Very Low | Very Low |
| Aug 31 | None | Very Low | Very Low |
| Aug 30 | None | Very Low | Very Low |
| Aug 29 | None | Very Low | Very Low |
| Aug 28 | None | Very Low | Very Low |
| Aug 27 | None | Low | Very Low |
| Aug 26 | None | Low | Very Low |
| Aug 25 | None | Low | Very Low |
| Aug 24 | None | Low | Very Low |
| Aug 23 | None | Low | Very Low |
| Aug 22 | None | Very Low | Very Low |
| Aug 21 | None | Very Low | Very Low |
| Aug 20 | None | Very Low | Very Low |
| Aug 19 | None | Very Low | Very Low |
| Aug 18 | None | Very Low | Very Low |
| Aug 17 | None | Low | Low |
| Aug 16 | None | Low | Low |
| Aug 15 | None | Low | Low |
| Aug 14 | None | Moderate | Low |
| Aug 13 | None | Moderate | Low |
| Aug 12 | None | Moderate | Low |
| Aug 11 | None | Low | Low |
| Aug 10 | None | Low | Low |
| Aug 9 | None | Moderate | Moderate |