Pollen Counts in Bosnia and Herzegovina
Check daily pollen forecasts, the pollen map, seasonal trends, and all the cities we cover in Bosnia and Herzegovina. Forecasts update every day, so check back regularly during pollen season.
Updated: 6 Nov 2026.
Bosnia and Herzegovina Pollen Map
- Alder
- Birch
- Grass
- Mugwort
- Olive
- Ragweed
Bosnia and Herzegovina's Pollen Seasons
In Bosnia and Herzegovina, tree pollen season begins with alder in March. Birch pollen follows in March and April. Olive trees release pollen in May and June, extending the tree season into early summer.
Grass pollen appears in May, June, and July, making late spring and summer an important time for this season. These months overlap with olive pollen in May and June, so several plant groups can release pollen together.
Mugwort pollen is present in July, August, and September. Ragweed pollen comes in August and September. Ragweed is the most common pollen type across the year, and August is the busiest month for pollen overall.
Because these seasons overlap, pollen can be in the air during several months. Pollen may affect people with allergies. This calendar reflects average measurements from seven cities and covers the plants tracked in those records.
Pollen Calendar for Bosnia and Herzegovina
Typical pollen calendar for Bosnia and Herzegovina, averaged across 12 cities from previous years. Alder peaks in February, Birch peaks in April, Grass peaks in June, Mugwort peaks in August, Olive peaks in May, Ragweed peaks in August. Use it to see which months each pollen type usually rises and falls.
| Alder | Birch | Grass | Mugwort | Olive | Ragweed | |
|---|---|---|---|---|---|---|
| Jan | 63.7 | 0 | 0 | 0 | 0 | 0 |
| Feb | 182.1 | 0 | 0.3 | 0 | 0 | 0 |
| Mar | 93 | 826.7 | 7 | 0 | 0 | 0 |
| Apr | 6.5 | 845.6 | 36.5 | 0 | 20.9 | 0 |
| May | 0.4 | 41.8 | 212 | 0 | 212.4 | 0 |
| Jun | 0.1 | 4.5 | 451.3 | 0 | 117.7 | 0 |
| Jul | 0 | 0 | 226 | 5.8 | 0.4 | 21.4 |
| Aug | 0 | 0 | 89 | 13.2 | 0 | 1519.1 |
| Sep | 0 | 0 | 20.2 | 4.7 | 0 | 1046.7 |
| Oct | 0 | 0 | 4.4 | 0.3 | 0 | 2 |
| Nov | 0 | 0 | 0.6 | 0 | 0 | 0 |
| Dec | 0 | 0 | 0 | 0 | 0 | 0 |
Values in gr/m³ (pollen grains per cubic metre), averaged across covered cities. Local microclimates vary. Not medical advice.
Places We Cover in Bosnia and Herzegovina
We publish forecasts for these cities across Bosnia and Herzegovina. Check the list to see what is near you, or view them on the Bosnia and Herzegovina Pollen Map above.
Federation of B&H
Federation of Bosnia and Herzegovina
Other
Srpska
Pollen information is for education and planning only. This is not medical advice. Consult a qualified healthcare provider about symptoms or treatment.