Back to San Francisco
Pollen History for San Francisco
Daily Pollen Levels
Tree
Overall Level Low
Max Moderate
Grass
Overall Level Low
Max Moderate
Weed
Overall Level None
Max None
| Time | Tree | Grass | Weed |
|---|---|---|---|
| May 11 | Very Low | Low | None |
| May 10 | Very Low | Very Low | None |
| May 9 | Very Low | Very Low | None |
| May 8 | Very Low | Very Low | None |
| May 7 | Very Low | Very Low | None |
| May 6 | Very Low | Very Low | None |
| May 5 | Very Low | Very Low | None |
| May 4 | Low | Moderate | None |
| May 3 | Low | Low | None |
| May 2 | Very Low | Very Low | None |
| May 1 | Very Low | Very Low | None |
| Apr 30 | Very Low | Very Low | None |
| Apr 29 | Very Low | Low | None |
| Apr 28 | Low | Low | None |
| Apr 27 | Low | Low | None |
| Apr 26 | Low | Low | None |
| Apr 25 | Low | Low | None |
| Apr 24 | Low | Low | None |
| Apr 23 | Low | Low | None |
| Apr 22 | Low | Very Low | None |
| Apr 21 | Low | Very Low | None |
| Apr 20 | Low | Low | None |
| 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 |