Pollen Count in Enter
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In Enter, Netherlands, trees start making pollen in late March. This is the start of spring. Some trees, like willows and hazelnuts, make pollen until early May.
Updated: 2/25/2026
Grasses start making pollen in late May. This is the start of summer. Grasses make pollen until early August. Many plants make pollen during this time.
Weeds start making pollen in late July. This is the end of summer. Weeds make pollen until early October. Fewer plants make pollen during this time.
In Enter, pollen seasons last from late March to early October. Trees, grasses, and weeds make pollen during this time.
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 Enter 🌾. 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 | 6.1 | 0 | 0 | 0 | 0 | 0 |
| Feb | 14.6 | 0 | 0 | 0 | 0 | 0 |
| Mar | 2.7 | 721.7 | 0.1 | 0 | 0 | 0 |
| Apr | 0.3 | 376.5 | 19.5 | 0 | 0.7 | 0 |
| May | 0 | 20.6 | 180.6 | 0 | 0.6 | 0 |
| Jun | 0 | 0.2 | 837.7 | 16.4 | 0 | 0 |
| Jul | 0 | 0 | 332.8 | 79.1 | 0 | 0 |
| Aug | 0 | 0 | 102.1 | 23.6 | 0 | 1.7 |
| Sep | 0 | 0 | 9.9 | 1 | 0 | 15.8 |
| Oct | 0 | 0 | 0.7 | 0 | 0 | 0 |
| Nov | 0 | 0 | 0 | 0 | 0 | 0 |
| Dec | 0 | 0 | 0 | 0 | 0 | 0 |
(4 km)