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Pollen History for Västerås
Daily Pollen Levels
Tree
Overall Level Low
Max High
Grass
Overall Level Moderate
Max High
Weed
Overall Level Very Low
Max Moderate
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 25% higher than the same period last year
| Time | Tree | Grass | Weed |
|---|---|---|---|
| Aug 18 | None | Low | Very Low |
| Aug 17 | None | Low | Very Low |
| Aug 16 | None | Low | Very Low |
| Aug 15 | None | Low | Low |
| Aug 14 | None | Low | Low |
| Aug 13 | None | Low | Low |
| Aug 12 | Very Low | Low | Low |
| Aug 11 | None | Low | Very Low |
| Aug 10 | None | Low | Very Low |
| Aug 9 | None | Low | Low |
| Aug 8 | Very Low | Low | Low |
| Aug 7 | Very Low | Low | Low |
| Aug 6 | None | Low | Very Low |
| Aug 5 | None | Low | Low |
| Aug 4 | None | Moderate | Low |
| Aug 3 | None | Moderate | Low |
| Aug 2 | None | Low | Low |
| Aug 1 | None | Moderate | Low |
| Jul 31 | None | Moderate | Low |
| Jul 30 | None | Moderate | Low |
| Jul 29 | None | Moderate | Low |
| Jul 28 | None | Moderate | Low |
| Jul 27 | None | Moderate | Low |
| Jul 26 | None | Moderate | Low |
| Jul 25 | None | Moderate | Low |
| Jul 24 | Very Low | Moderate | Low |
| Jul 23 | None | Moderate | Moderate |
| Jul 22 | Very Low | Moderate | Low |
| Jul 21 | Very Low | Moderate | Low |
| Jul 20 | Very Low | Moderate | Low |