Pollen Count in Ericeira
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Ericeira has a mild climate. Pollen seasons happen when plants release tiny particles into the air. This usually starts in February. Trees and bushes start to bloom.
Updated: 4/28/2026
In March and April, olive trees release a lot of pollen. Grasses and flowers also start to bloom. The air is filled with yellow pollen dust.
May and June are peak months. Pollen counts are high. Plants like oak and pine trees release pollen. The air can look cloudy with pollen.
By July, pollen counts decrease. Summer months have less pollen. Some plants still release pollen, but not as much. The air starts to feel cleaner.
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 Ericeira 🌾. 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 | 1.3 | 0 | 0.3 | 0 | 0 | 0 |
| Mar | 1.8 | 15.4 | 8.2 | 0 | 0 | 0 |
| Apr | 0.2 | 4.3 | 68.7 | 0 | 165.2 | 0 |
| May | 0 | 1.2 | 112 | 0 | 107.3 | 0 |
| Jun | 0 | 0 | 58.6 | 0 | 2.7 | 0 |
| Jul | 0 | 0 | 31.7 | 0 | 0.2 | 0 |
| Aug | 0 | 0 | 8.9 | 0 | 0 | 0 |
| Sep | 0 | 0 | 1.4 | 0 | 0 | 0 |
| Oct | 0 | 0 | 0.8 | 0 | 0 | 0 |
| Nov | 0 | 0 | 0 | 0 | 0 | 0 |
| Dec | 0 | 0 | 0 | 0 | 0 | 0 |
(14 km)