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Pollen History for Philadelphia
Daily Pollen Levels
Tree
Overall Level None
Max Very Low
Grass
Overall Level Very Low
Max Moderate
Weed
Overall Level None
Max None
Compared to last year
Tree
Not enough data for Tree
Grass
Grass pollen is 25% lower than the same period last year
Weed
Not enough data for Weed
| Time | Tree | Grass | Weed |
|---|---|---|---|
| Jul 22 | None | None | None |
| Jul 21 | None | None | None |
| Jul 20 | None | Very Low | None |
| Jul 19 | None | Very Low | None |
| Jul 18 | None | Very Low | None |
| Jul 17 | None | Very Low | None |
| Jul 16 | None | Very Low | None |
| Jul 15 | None | Very Low | None |
| Jul 14 | None | Very Low | None |
| Jul 13 | None | Very Low | None |
| Jul 12 | None | Very Low | None |
| Jul 11 | None | Very Low | None |
| Jul 10 | None | Very Low | None |
| Jul 9 | None | Very Low | None |
| Jul 8 | None | Very Low | None |
| Jul 7 | None | Very Low | None |
| Jul 6 | None | Very Low | None |
| Jul 5 | None | Very Low | None |
| Jul 4 | None | Low | None |
| Jul 3 | None | Low | None |
| Jul 2 | None | Low | None |
| Jul 1 | None | Low | None |
| Jun 30 | None | Low | None |
| Jun 29 | None | Low | None |
| Jun 28 | None | Very Low | None |
| Jun 27 | None | Low | None |
| Jun 26 | None | Low | None |
| Jun 25 | None | Moderate | None |
| Jun 24 | Very Low | Moderate | None |
| Jun 23 | Very Low | Very Low | None |