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Pollen History for San Francisco
Daily Pollen Levels
Tree
Overall Level Very Low
Max Moderate
Grass
Overall Level None
Max Low
Weed
Overall Level None
Max None
| Time | Tree | Grass | Weed |
|---|---|---|---|
| Apr 19 | Low | Low | None |
| Apr 18 | Low | Low | None |
| Apr 17 | Moderate | Low | None |
| Apr 16 | Moderate | Low | None |
| Apr 15 | Low | Very Low | None |
| Apr 14 | Low | Very Low | None |
| Apr 13 | Low | Very Low | None |
| Apr 12 | Low | Very Low | None |
| Apr 11 | Very Low | Very Low | None |
| Apr 10 | Very Low | Very Low | None |
| Apr 9 | Very Low | Very Low | None |
| Apr 8 | Very Low | Very Low | None |
| Apr 7 | Very Low | Very Low | None |
| Apr 6 | Very Low | Very Low | None |
| Apr 5 | Low | Very Low | None |
| Apr 4 | Low | Very Low | None |
| Apr 3 | Low | Very Low | None |
| Apr 2 | Low | Very Low | None |
| Apr 1 | Very Low | Very Low | None |
| Mar 31 | Very Low | Very Low | None |
| Mar 30 | Very Low | Very Low | None |
| Mar 29 | Low | None | None |
| Mar 28 | Very Low | None | None |
| Mar 27 | Low | None | None |
| Mar 26 | Very Low | None | None |
| Mar 25 | Very Low | None | None |
| Mar 24 | Low | None | None |
| Mar 23 | Low | None | None |
| Mar 22 | Very Low | None | None |
| Mar 21 | Very Low | None | None |