Pollen Count in Azenhas do Mar
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Azenhas do Mar has different pollen seasons. Trees, grass, and weeds release pollen. Pollen counts are usually low in winter.
Updated: 4/28/2026
Spring is a big pollen season. Trees like oak and pine release lots of pollen. This happens from March to May.
Grass pollen season starts in late spring. It lasts through summer. Grasses release pollen in June and July.
Weeds release pollen in late summer and fall. This pollen season usually ends in October. Some trees also release pollen in fall.
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 Azenhas do Mar 🌾. 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 | 1.8 | 0 | 0.5 | 0 | 0 | 0 |
| Mar | 1.8 | 13.3 | 9.8 | 0 | 0 | 0 |
| Apr | 0.2 | 3.6 | 82.1 | 0 | 169.2 | 0 |
| May | 0 | 1.1 | 182.1 | 0 | 113.4 | 0 |
| Jun | 0 | 0 | 86.7 | 0 | 2.8 | 0 |
| Jul | 0 | 0 | 41.1 | 0 | 0.2 | 0 |
| Aug | 0 | 0 | 13.5 | 0 | 0 | 0 |
| Sep | 0 | 0 | 2.3 | 0 | 0 | 0 |
| Oct | 0 | 0 | 1.1 | 0 | 0 | 0 |
| Nov | 0 | 0 | 0 | 0 | 0 | 0 |
| Dec | 0 | 0 | 0 | 0 | 0 | 0 |
(8 km)