Pollen Count in Latviai
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In Latvia and Lithuania, trees start pollinating in March. Birch trees are the first to release pollen. They are followed by oak, maple, and hazel trees.
Updated: 2/9/2026
In April, pollen counts rise. Alder and elm trees start pollinating. The air is filled with pollen from different trees. This means more pollen in the air.
In May, grasses and weeds start pollinating. They release even more pollen into the air. This is the peak pollen season in Latvia and Lithuania.
In June, pollen counts start to decrease. Fewer trees and plants release pollen. By July, pollen counts are low, and pollen season comes to an end.
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 Latviai 🌾. 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 | 0.3 | 0 | 0 | 0 | 0 | 0 |
| Feb | 111.9 | 0 | 0 | 0 | 0 | 0 |
| Mar | 5.5 | 90.4 | 0.1 | 0 | 0 | 0 |
| Apr | 0.2 | 5062.2 | 3.3 | 0 | 0.1 | 0 |
| May | 2.1 | 758.6 | 68.8 | 0 | 0 | 0 |
| Jun | 0 | 0.2 | 626.7 | 0.2 | 0 | 0 |
| Jul | 0 | 0 | 390 | 63.6 | 0 | 0 |
| Aug | 0 | 0 | 85.7 | 73.8 | 0 | 10.3 |
| Sep | 0 | 0 | 12.6 | 0.5 | 0 | 55.7 |
| Oct | 0 | 0 | 0.3 | 0 | 0 | 0 |
| Nov | 0 | 0 | 0 | 0 | 0 | 0 |
| Dec | 0 | 0 | 0 | 0 | 0 | 0 |
(49 km)