Pollen Count in Bangor
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Pollen season in Bangor starts in March. Trees release pollen first. It's a sign of spring. Pollen counts are usually low at this time.
Updated: 6/15/2026
As weather warms up, pollen counts increase. Grasses and plants start releasing pollen. This happens in April and May. Pollen counts can be very high.
June and July are peak pollen months. Grass pollen is at its highest. Weeds and flowers also release pollen. It's a busy time for pollen.
By August, pollen counts start to decrease. Trees and plants slow down pollen release. Pollen season in Bangor usually ends in September. It's a welcome change.
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 Bangor 🌾. 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 | 1.4 | 0 | 0 | 0 | 0 | 0 |
| Mar | 53.7 | 3.5 | 0 | 0 | 0 | 0 |
| Apr | 27.3 | 175.5 | 0.3 | 0 | 0 | 0 |
| May | 0.1 | 38.2 | 19.1 | 0 | 0 | 0 |
| Jun | 0 | 0 | 251.1 | 0.2 | 0 | 0 |
| Jul | 0 | 0.1 | 119.6 | 3.3 | 0 | 0 |
| Aug | 0 | 0 | 22.5 | 0.8 | 0 | 0 |
| Sep | 0 | 0 | 1.1 | 0 | 0 | 0.1 |
| Oct | 0 | 0 | 0 | 0 | 0 | 0 |
| Nov | 0 | 0 | 0 | 0 | 0 | 0 |
| Dec | 0 | 0 | 0 | 0 | 0 | 0 |
(15 km)