Pollen Count in Opava
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Opava has a temperate climate with cold winters and warm summers. Pollen season starts in March when trees and plants begin to bloom.
Updated: 3/11/2026
In March and April, trees like birch, oak, and beech produce a lot of pollen. This makes people feel unwell.
Grasses and flowers bloom in May and June. Pollen from these plants fills the air. Summer flowers like lavender and sunflowers also produce pollen.
By August, pollen levels decrease. Some plants like mugwort still produce pollen. September and October see some late-blooming plants release pollen.
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 Opava 🌾. 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 | 2.7 | 0 | 0 | 0 | 0 | 0 |
| Feb | 9.4 | 0 | 0 | 0 | 0 | 0 |
| Mar | 397 | 161.4 | 0 | 0 | 0 | 0 |
| Apr | 6.9 | 2265.4 | 22.6 | 0 | 0.4 | 0 |
| May | 0.4 | 60.7 | 179.5 | 0 | 0.1 | 0 |
| Jun | 0 | 2.2 | 1295.1 | 0.2 | 2.4 | 0 |
| Jul | 0 | 0.4 | 510.1 | 41.8 | 0 | 0 |
| Aug | 0 | 0 | 149.8 | 98.1 | 0 | 68.5 |
| Sep | 0 | 0 | 16 | 29.3 | 0 | 62.9 |
| Oct | 0 | 0 | 1.3 | 1.4 | 0 | 0 |
| Nov | 0 | 0 | 0 | 0 | 0 | 0 |
| Dec | 0 | 0 | 0 | 0 | 0 | 0 |
(28 km)
(29 km)