Pollen Count in Sofia
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Sofia, Bulgaria has a continental climate with cold winters and hot summers. Spring and fall are the primary pollen seasons.
Updated: 2/27/2026
In spring, tree pollens such as birch, oak, and poplar are abundant. Allergic symptoms can be severe during this time.
During the fall, weed pollens such as ragweed and mugwort cause allergic reactions. The pollen count is usually high in late afternoon and early evening.
To minimize exposure to pollen, keep windows closed in your home and car, and consider wearing a mask while doing outdoor activities during peak pollen 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 Sofia 🌾. 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 | 1.5 | 0 | 0 | 0 | 0 | 0 |
| Feb | 3.9 | 0 | 0 | 0 | 0 | 0 |
| Mar | 62.2 | 189.8 | 4.8 | 0 | 0 | 0 |
| Apr | 0.9 | 639.7 | 29.7 | 0 | 0 | 0 |
| May | 0.2 | 82.1 | 168.6 | 0 | 17.1 | 0 |
| Jun | 0 | 6.8 | 747.7 | 0 | 18.8 | 0 |
| Jul | 0 | 0 | 357.5 | 214.3 | 1.8 | 3.5 |
| Aug | 0 | 0 | 116 | 311.6 | 0 | 224.6 |
| Sep | 0 | 0 | 33.9 | 295.9 | 0 | 207.5 |
| Oct | 0 | 0 | 3.7 | 5.5 | 0 | 0.5 |
| Nov | 0 | 0 | 0.5 | 0 | 0 | 0 |
| Dec | 0 | 0 | 0 | 0 | 0 | 0 |
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