Pollen Count in Guarda
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Guarda, Portugal has different pollen seasons. Tree pollen is in the air from March to May. Oak, olive, and pine trees produce a lot of pollen.
Updated: 6/16/2026
Grass pollen is in the air from May to July. People with allergies might feel unwell during this time. Grasses and weeds produce a lot of pollen.
Weed pollen is in the air from August to October. Ragweed and nettle plants produce a lot of pollen. This can make it hard for people to breathe outside.
Winter months have low pollen levels. From November to February, trees and plants are less active. This means less pollen is in the air.
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 Guarda 🌾. 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 | 0.4 | 0 | 0 | 0 | 0 | 0 |
| Feb | 6.2 | 0 | 0.6 | 0 | 0 | 0 |
| Mar | 3.8 | 10.9 | 25.1 | 0 | 0 | 0 |
| Apr | 1 | 78.8 | 188.5 | 0 | 140.4 | 0 |
| May | 0 | 2.8 | 1174.6 | 0 | 651.3 | 0 |
| Jun | 0 | 0 | 872.7 | 0 | 90.9 | 0 |
| Jul | 0 | 0 | 340.8 | 0 | 0.8 | 2.1 |
| Aug | 0 | 0 | 106.4 | 4.9 | 0 | 19.9 |
| Sep | 0 | 0 | 14.1 | 1.9 | 0 | 6.6 |
| Oct | 0 | 0 | 3.7 | 0 | 0 | 0.1 |
| Nov | 0 | 0 | 0 | 0.3 | 0 | 0 |
| Dec | 0 | 0 | 0 | 0 | 0 | 0 |
(37 km)
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