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Pollen History for London
Daily Pollen Levels
Tree
Overall Level Low
Max Moderate
Grass
Overall Level Low
Max High
Weed
Overall Level Very Low
Max Very High
Compared to last year
Tree
Tree pollen is similar to the same period last year
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 |
|---|---|---|---|
| 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 |
| Jul 2 | None | Moderate | Moderate |
| Jul 1 | None | Moderate | Moderate |
| Jun 30 | Very Low | Moderate | Moderate |
| Jun 29 | None | High | Moderate |
| Jun 28 | Very Low | Moderate | Low |
| Jun 27 | Very Low | High | Moderate |
| Jun 26 | Very Low | High | Low |
| Jun 25 | Very Low | Moderate | Low |
| Jun 24 | Very Low | High | Low |
| Jun 23 | Very Low | High | Low |
| Jun 22 | Very Low | Moderate | Low |
| Jun 21 | Very Low | High | Low |
| Jun 20 | Very Low | Moderate | Very Low |
| Jun 19 | Very Low | Moderate | Low |
| Jun 18 | Very Low | Moderate | Very Low |