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Pollen History for Washington D.C.
Daily Pollen Levels
Tree
Overall Level Low
Max Moderate
Grass
Overall Level Moderate
Max High
Weed
Overall Level None
Max None
| Time | Tree | Grass | Weed |
|---|---|---|---|
| May 27 | Very Low | Very Low | None |
| May 26 | None | None | None |
| May 25 | Very Low | Very Low | None |
| May 24 | Very Low | Low | None |
| May 23 | None | None | None |
| May 22 | None | None | None |
| May 21 | Very Low | Very Low | None |
| May 20 | Very Low | Moderate | None |
| May 19 | Low | High | None |
| May 18 | Low | Moderate | None |
| May 17 | Very Low | Moderate | None |
| May 16 | Low | High | None |
| May 15 | Low | High | None |
| May 14 | Low | Moderate | None |
| May 13 | Low | Moderate | None |
| May 12 | Low | Moderate | None |
| May 11 | Low | Moderate | None |
| May 10 | Low | Moderate | None |
| May 9 | Low | Moderate | None |
| May 8 | Low | Moderate | None |
| May 7 | Low | Moderate | None |
| May 6 | Low | Moderate | None |
| May 5 | Moderate | Moderate | None |
| May 4 | Moderate | Moderate | None |
| May 3 | Low | Moderate | None |
| May 2 | Low | Moderate | None |
| May 1 | Low | Moderate | None |
| Apr 30 | Low | Moderate | None |
| Apr 29 | Very Low | Very Low | None |
| Apr 28 | Low | Moderate | None |