Pollen Count in Bolu
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Bolu has four distinct seasons. Spring and summer are the times with the most pollen. Trees, grasses, and weeds release pollen into the air.
Updated: 2/9/2026
In March and April, trees like oak, beech, and pine release a lot of pollen. This makes the air look yellow and cloudy.
Grasses release pollen in May and June. Weeds release pollen in late summer. These are the peak pollen times in Bolu.
During peak pollen times, people stay indoors when wind blows. Windows and doors are closed to keep pollen out.
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 Bolu 🌾. 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 | 0.8 | 0 | 0 | 0 |
| Feb | 12.4 | 0 | 5.1 | 0 | 0 | 0 |
| Mar | 5.2 | 3 | 16 | 0 | 0 | 0 |
| Apr | 0.4 | 84.1 | 64 | 0 | 10.2 | 0 |
| May | 0 | 9.6 | 108.7 | 0 | 47.4 | 0 |
| Jun | 0 | 0 | 173.7 | 0 | 293.1 | 0 |
| Jul | 0 | 0 | 68.3 | 3.5 | 14.2 | 0.7 |
| Aug | 0 | 0 | 40.8 | 7 | 0 | 51.5 |
| Sep | 0 | 0 | 11.5 | 0.4 | 0 | 18 |
| Oct | 0 | 0 | 5.4 | 0 | 0 | 0 |
| Nov | 0 | 0 | 1.4 | 0 | 0 | 0 |
| Dec | 0 | 0 | 0 | 0 | 0 | 0 |