Pollen Count in Cork
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Cork, Ireland has a mild, oceanic climate with frequent rainfall throughout the year. This results in a lush, green landscape, but also contributes to high pollen levels.
Updated: 3/2/2026
The pollen season in Cork typically starts in late February with tree pollen, followed by grass pollen in May and weed pollen in August. These periods can cause allergic reactions for sensitive individuals.
Despite the rain, pollen levels in Cork can be quite high due to the damp conditions that promote plant growth. It's important for allergy sufferers to stay informed about pollen forecasts and take necessary precautions during peak seasons.
Pollen Forecast Chart
Recommendations
When pollen concentrations reach a peak, we suggest these simple steps to help with hay fever. These tips are extra important on windy days when plants are in peak anthesis (the time when they release the most pollen).
- Wear masks if necessary
- Shower after going out
- Wear sunglasses if windy
- Close windows and doors
- Use an indoor air purifier
- Avoid wearing woolen clothes outside
- Limit outdoor activities
Annual Pollen Overview
Check out this month-by-month overview of the daily average pollen count in Cork 🌾. This data is based on previous years and serves as a guideline to help you understand when different pollen seasons typically occur in your city.
| Alder | Birch | Grass | Mugwort | Olive | Ragweed | |
|---|---|---|---|---|---|---|
| Jan | 0 | 0 | 0 | 0 | 0 | 0 |
| Feb | 1.3 | 0 | 0 | 0 | 0 | 0 |
| Mar | 28.9 | 5.5 | 0 | 0 | 0 | 0 |
| Apr | 57.7 | 217.3 | 1.1 | 0 | 0 | 0 |
| May | 0 | 12.4 | 49.5 | 0 | 0.1 | 0 |
| Jun | 0 | 0 | 334 | 0 | 0.1 | 0 |
| Jul | 0 | 0 | 223.5 | 0.8 | 0 | 0 |
| Aug | 0 | 0 | 32.2 | 0.4 | 0 | 0 |
| Sep | 0 | 0 | 1.7 | 0 | 0 | 0 |
| Oct | 0 | 0 | 0 | 0 | 0 | 0 |
| Nov | 0 | 0 | 0 | 0 | 0 | 0 |
| Dec | 0 | 0 | 0 | 0 | 0 | 0 |
(85 km)