Pollen Count in Westport
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Westport has two main pollen seasons. Tree pollen starts in March and April. Trees like oak, ash, and hazel release pollen. This makes people feel unwell outside.
Updated: 5/30/2026
Grass pollen season starts in May and June. Grass pollen is very common in Ireland. It makes people feel sick when they breathe it in.
Weed pollen happens in late summer. Some weeds release pollen in August and September. People who are sensitive feel bad during this time.
Pollen counts are usually high in the morning. They go down at night. People stay inside when counts are high. They go outside when counts are low.
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 Westport 🌾. 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 | 0 | 0 | 0 | 0 | 0 |
| Feb | 0.1 | 0 | 0 | 0 | 0 | 0 |
| Mar | 13 | 13.6 | 0 | 0 | 0 | 0 |
| Apr | 17.8 | 363.7 | 0.3 | 0 | 0 | 0 |
| May | 0 | 13.6 | 20.8 | 0 | 0.1 | 0 |
| Jun | 0 | 0 | 166 | 0 | 0 | 0 |
| Jul | 0 | 0 | 131.2 | 0.6 | 0 | 0 |
| Aug | 0 | 0 | 27.4 | 0.2 | 0 | 0 |
| Sep | 0 | 0 | 0.8 | 0 | 0 | 0 |
| Oct | 0 | 0 | 0 | 0 | 0 | 0 |
| Nov | 0 | 0 | 0 | 0 | 0 | 0 |
| Dec | 0 | 0 | 0 | 0 | 0 | 0 |
(66 km)