Pollen Count in Split
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Split, Croatia has a Mediterranean climate, with mild, wet winters and hot, dry summers. Spring and fall are mild and brief.
Updated: 2/16/2026
Pollen levels in Split are generally highest in the spring, with tree pollen peaking in March and grass pollen in April. In the fall, weed pollen can be high, particularly in September.
The city's location by the Adriatic Sea and its mountains to the north help moderate the climate, but strong, dry, and gusty "bora" winds can cause pollen levels to spike.
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 Split 🌾. 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 | 0.1 | 0 | 0 | 0 | 0 | 0 |
| Feb | 0.6 | 0 | 2.5 | 0 | 0 | 0 |
| Mar | 9.2 | 159.1 | 16.6 | 0 | 0 | 0 |
| Apr | 5.2 | 314.7 | 94.3 | 0 | 63.5 | 0 |
| May | 1.5 | 35.9 | 410.1 | 0 | 1102.3 | 0 |
| Jun | 0.1 | 6.5 | 576.1 | 0 | 896.7 | 0 |
| Jul | 0 | 0 | 240.3 | 1.3 | 0.8 | 7.7 |
| Aug | 0 | 0 | 88.7 | 7 | 0 | 462.4 |
| Sep | 0 | 0 | 21.8 | 2.4 | 0 | 321.8 |
| Oct | 0 | 0 | 5.8 | 0.1 | 0 | 0.9 |
| Nov | 0 | 0 | 0.8 | 0 | 0 | 0 |
| Dec | 0 | 0 | 0 | 0 | 0 | 0 |
(15 km)