Pollen Count in Aljezur
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Aljezur, Portugal has different pollen seasons. Trees, grasses, and weeds release pollen. Pollen counts rise in spring. March, April, and May are peak months.
Updated: 4/2/2026
Olive trees produce a lot of pollen. They are common in Aljezur. Pollen spreads in windy conditions. It makes people feel unwell.
Grasses release pollen in late spring. Summer months are usually okay. Weeds produce pollen in late summer and autumn. September and October can be bad.
Winter months are usually quiet. Some trees still produce pollen. February and March can see rising pollen counts. Weather affects pollen release.
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 Aljezur 🌾. 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 | 0.6 | 0 | 0 | 0 | 0 | 0 |
| Feb | 0.9 | 0 | 0 | 0 | 0 | 0 |
| Mar | 0.7 | 3.5 | 8.2 | 0 | 0.3 | 0 |
| Apr | 0.8 | 3 | 62.8 | 0 | 402.8 | 0 |
| May | 0 | 0.7 | 419.4 | 0 | 221.1 | 0 |
| Jun | 0 | 0 | 239.2 | 0 | 12 | 0 |
| Jul | 0 | 0 | 72.5 | 0 | 0.4 | 0 |
| Aug | 0 | 0 | 21.6 | 0 | 0 | 0.1 |
| Sep | 0 | 0 | 3.4 | 0 | 0 | 0 |
| Oct | 0 | 0 | 0.4 | 0 | 0 | 0 |
| Nov | 0 | 0 | 0 | 0.1 | 0 | 0 |
| Dec | 0 | 0 | 0 | 0 | 0 | 0 |
(26 km)