Back to Porto
Pollen History for Porto
Daily Pollen Levels
Tree
Overall Level Low
Max High
Grass
Overall Level Low
Max High
Weed
Overall Level None
Max None
Compared to last year
Need more history to compare years. Check back in a few months.
| Time | Tree | Grass | Weed |
|---|---|---|---|
| Jun 18 | Very Low | Low | None |
| Jun 17 | Very Low | Moderate | None |
| Jun 16 | Very Low | Moderate | None |
| Jun 15 | Very Low | Low | None |
| Jun 14 | Very Low | Moderate | None |
| Jun 13 | Very Low | Moderate | None |
| Jun 12 | Very Low | Moderate | None |
| Jun 11 | Very Low | High | None |
| Jun 10 | Very Low | Moderate | None |
| Jun 9 | Very Low | Moderate | None |
| Jun 8 | Very Low | Low | None |
| Jun 7 | Very Low | Moderate | None |
| Jun 6 | Very Low | Moderate | None |
| Jun 5 | Very Low | Moderate | None |
| Jun 4 | Very Low | Low | None |
| Jun 3 | Very Low | Low | None |
| Jun 2 | Very Low | Low | None |
| Jun 1 | Very Low | Moderate | None |
| May 31 | Very Low | Moderate | None |
| May 30 | Low | Moderate | None |
| May 29 | Moderate | Moderate | None |
| May 28 | Moderate | Moderate | None |
| May 27 | Moderate | Moderate | None |
| May 26 | Low | Moderate | None |
| May 25 | Moderate | Moderate | None |
| May 24 | Moderate | Moderate | None |
| May 23 | Moderate | Moderate | None |
| May 22 | High | High | None |
| May 21 | Moderate | Moderate | None |
| May 20 | Very Low | Moderate | None |