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Pollen History for Chicago
Daily Pollen Levels
Tree
Overall Level None
Max Very Low
Grass
Overall Level Low
Max Moderate
Weed
Overall Level None
Max None
Compared to last year
Tree
Not enough data for Tree
Grass
Grass pollen is 18% higher than the same period last year
Weed
Not enough data for Weed
| Time | Tree | Grass | Weed |
|---|---|---|---|
| Jul 12 | None | Very Low | None |
| Jul 11 | None | Very Low | None |
| Jul 10 | None | Very Low | None |
| Jul 9 | None | Very Low | None |
| Jul 8 | None | Very Low | None |
| Jul 7 | None | Very Low | None |
| Jul 6 | None | Very Low | None |
| Jul 5 | None | Very Low | None |
| Jul 4 | None | Very Low | None |
| Jul 3 | None | Very Low | None |
| Jul 2 | None | Low | None |
| Jul 1 | None | Low | None |
| Jun 30 | None | Low | None |
| Jun 29 | None | Low | None |
| Jun 28 | None | Low | None |
| Jun 27 | None | Low | None |
| Jun 26 | None | Low | None |
| Jun 25 | None | Low | None |
| Jun 24 | None | Low | None |
| Jun 23 | None | Low | None |
| 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 |