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Pollen History for Philadelphia
Daily Pollen Levels
Tree
Overall Level Very Low
Max Very Low
Grass
Overall Level None
Max Very Low
Weed
Overall Level Very Low
Max Low
Compared to last year
Tree
Not enough data for Tree
Grass
Grass pollen is 94% lower than the same period last year
Weed
Not enough data for Weed
| Time | Tree | Grass | Weed |
|---|---|---|---|
| Aug 16 | Very Low | None | Very Low |
| Aug 15 | Very Low | None | Low |
| Aug 14 | Very Low | None | Low |
| Aug 13 | Very Low | None | Very Low |
| Aug 12 | Very Low | None | Very Low |
| Aug 11 | Very Low | None | Very Low |
| Aug 10 | Very Low | None | Very Low |
| Aug 9 | Very Low | None | Very Low |
| Aug 8 | Very Low | None | Very Low |
| Aug 7 | Very Low | None | Very Low |
| Aug 6 | Very Low | None | Very Low |
| Aug 5 | Very Low | None | Very Low |
| Aug 4 | Very Low | None | Very Low |
| Aug 3 | Very Low | None | Very Low |
| Aug 2 | None | None | None |
| Aug 1 | None | None | None |
| Jul 31 | None | None | None |
| Jul 30 | None | None | None |
| Jul 29 | None | None | None |
| Jul 28 | None | None | None |
| Jul 27 | None | None | None |
| Jul 26 | None | None | None |
| Jul 25 | None | None | None |
| Jul 24 | None | None | None |
| Jul 23 | None | None | None |
| 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 |