Cleveland, OH Pollen Forecast
Summary of the forecasted pollen levels in Cleveland, OH
The overall pollen levels are moderate to high in Cleveland. Birch, grasses, and pine trees are the main contributors to the pollen count. Pollen levels are expected to be highest in the southern and southwestern parts of Cleveland.
Over the coming days, tree pollen, particularly from oak and pine, is expected to increase, reaching high levels by May 24th. Grass pollen will also remain moderate to high during this period.
While pollen can cause discomfort for allergy sufferers, Cleveland's overall pollen activity is typical for this time of year.
What's in the air in Cleveland
Pollen types found in this area throughout the year and their typical risk level.
- HighAsh
- HighOak
- HighHickory
- HighPine family
- ModerateBirch
- HighTimothy Grass
- ModerateNettle
This week's biggest contributors
The pollen types with the highest measured levels this week.
- HighAsh818.0 grains/m³
- HighOak729.0 grains/m³
- HighHickory373.0 grains/m³
- HighPine family216.0 grains/m³
- ModerateBirch79.0 grains/m³
- HighTimothy Grass48.0 grains/m³
- ModerateNettle35.0 grains/m³
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7-Day Forecast
This forecast represents the expected pollen levels in the area surrounding the selected location.
| Date | Pollen Type | Level |
|---|---|---|
| 2026-05-21 | Grass Pollen | Moderate |
| 2026-05-22 | Grass Pollen | Moderate |
| 2026-05-23 | Grass Pollen | Moderate |
| 2026-05-24 | Grass Pollen | High |
| 2026-05-25 | Grass Pollen | High |
| 2026-05-26 | Grass Pollen | High |
| 2026-05-27 | Grass Pollen | High |
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