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Pollen History for Chicago
Daily Pollen Levels
Tree
Overall Level Very Low
Max Very Low
Grass
Overall Level Moderate
Max Moderate
Weed
Overall Level None
Max None
Compared to last year
Tree
Tree pollen is 11% higher than the same period last year
Grass
Grass pollen is 42% higher than the same period last year
Weed
Not enough data for Weed
| Time | Tree | Grass | Weed |
|---|---|---|---|
| Jun 22 | None | Low | None |
| Jun 21 | None | Low | None |
| Jun 20 | None | Low | None |
| Jun 19 | None | Moderate | None |
| Jun 18 | None | Moderate | None |
| Jun 17 | None | Low | None |
| Jun 16 | None | Moderate | None |
| Jun 15 | None | Moderate | None |
| Jun 14 | None | Moderate | None |
| Jun 13 | None | Moderate | None |
| Jun 12 | Very Low | Moderate | None |
| Jun 11 | Very Low | Low | None |
| Jun 10 | Very Low | Low | None |
| Jun 9 | Very Low | Low | None |
| Jun 8 | Very Low | Low | None |
| Jun 7 | Very Low | Low | None |
| Jun 6 | Very Low | Low | None |
| Jun 5 | Very Low | Moderate | None |
| Jun 4 | Very Low | Moderate | None |
| Jun 3 | Very Low | Moderate | None |
| Jun 2 | Very Low | Moderate | None |
| Jun 1 | Very Low | Moderate | None |
| May 31 | Very Low | Moderate | None |
| May 30 | Very Low | Moderate | None |
| May 29 | Very Low | Moderate | None |
| May 28 | Very Low | Moderate | None |
| May 27 | Very Low | Moderate | None |
| May 26 | Very Low | Moderate | None |
| May 25 | Very Low | Moderate | None |
| May 24 | Very Low | Low | None |