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Pollen History for London
Daily Pollen Levels
Tree
Overall Level None
Max Very Low
Grass
Overall Level Moderate
Max High
Weed
Overall Level Moderate
Max Very High
Compared to last year
Tree
Not enough data for Tree
Grass
Grass pollen is similar to the same period last year
Weed
Weed pollen is similar to the same period last year
| Time | Tree | Grass | Weed |
|---|---|---|---|
| Aug 1 | None | Moderate | Moderate |
| Jul 31 | None | Moderate | Moderate |
| Jul 30 | None | Moderate | Moderate |
| Jul 29 | None | Moderate | High |
| Jul 28 | None | Moderate | Moderate |
| Jul 27 | None | Moderate | Moderate |
| Jul 26 | None | Moderate | Moderate |
| Jul 25 | None | Moderate | High |
| Jul 24 | None | Moderate | High |
| Jul 23 | None | Moderate | High |
| Jul 22 | None | Moderate | High |
| Jul 21 | None | Moderate | Moderate |
| Jul 20 | None | Moderate | Moderate |
| Jul 19 | None | Moderate | Moderate |
| Jul 18 | Very Low | Moderate | Moderate |
| Jul 17 | Very Low | Moderate | Moderate |
| Jul 16 | Very Low | Moderate | Moderate |
| Jul 15 | Very Low | Moderate | Moderate |
| Jul 14 | Very Low | Moderate | Moderate |
| Jul 13 | Very Low | Moderate | Moderate |
| Jul 12 | Very Low | Moderate | Moderate |
| Jul 11 | Very Low | Moderate | Moderate |
| Jul 10 | None | Moderate | High |
| Jul 9 | None | High | Very High |
| Jul 8 | None | Moderate | High |
| Jul 7 | None | High | High |
| Jul 6 | None | Moderate | High |
| Jul 5 | None | Moderate | High |
| Jul 4 | None | Moderate | Moderate |
| Jul 3 | Very Low | Moderate | High |