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Pollen History for Boston
Daily Pollen Levels
Tree
Overall Level Very Low
Max Very Low
Grass
Overall Level None
Max None
Weed
Overall Level Very Low
Max Very Low
Compared to last year
Need more history to compare years. Check back in a few months.
| Time | Tree | Grass | Weed |
|---|---|---|---|
| Aug 19 | Very Low | None | Very Low |
| Aug 18 | Very Low | None | Very Low |
| Aug 17 | Very Low | None | Very Low |
| Aug 16 | Very Low | None | Very Low |
| Aug 15 | Very Low | None | Very Low |
| Aug 14 | Very Low | None | Very 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 | Very Low | None | Very Low |
| Aug 1 | Very Low | None | Very Low |
| Jul 31 | Very Low | None | None |
| Jul 30 | None | None | None |
| Jul 29 | Very Low | 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 |