Pollen Count in Braintree
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Tree pollen season in Braintree starts in February. Trees like oak, ash, and hazel release pollen. It's a sign of spring. Pollen counts are usually high.
Updated: 2/24/2026
Grass pollen season begins in May. It's the worst time for people. Grass pollen counts are very high. Schools and parks are busy.
Weed pollen season starts in August. Weeds like ragwort and nettle release pollen. It's not as bad as tree or grass pollen. But counts can still be high.
Pollen seasons end in autumn. Weather gets colder. Trees stop releasing pollen. It's a relief for people. Winter months have low pollen counts.
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 Braintree 🌾. 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 | 2.8 | 0 | 0 | 0 | 0 | 0 |
| Mar | 118.7 | 19.2 | 0 | 0 | 0 | 0 |
| Apr | 14.8 | 850.7 | 4.4 | 0 | 0 | 0 |
| May | 0.5 | 113.2 | 121.5 | 0 | 0.2 | 0 |
| Jun | 0 | 0 | 1289.3 | 14.1 | 0.1 | 0 |
| Jul | 0 | 0.1 | 599 | 104.9 | 0 | 0 |
| Aug | 0 | 0 | 88.5 | 25.7 | 0 | 0 |
| Sep | 0 | 0 | 4.8 | 0.4 | 0 | 0.7 |
| Oct | 0 | 0 | 0 | 0 | 0 | 0 |
| Nov | 0 | 0 | 0 | 0 | 0 | 0 |
| Dec | 0 | 0 | 0 | 0 | 0 | 0 |
(16 km)