Pollen Count in Leicester
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In Leicester, tree pollen starts in March. It's one of the first types of pollen to appear. Trees like oak, ash, and hazel produce a lot of pollen.
Updated: 3/12/2026
Grass pollen season begins in May. It's one of the worst times for pollen. Grass pollen is very small and can travel far.
Weed pollen appears in late summer. Some weeds, like ragweed, produce a lot of pollen. This pollen can make people feel unwell.
Pollen levels are usually low in winter. Snow and rain help wash pollen away. Leicester's pollen seasons happen at the same time every year.
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 Leicester 🌾. 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 | 19.6 | 0 | 0 | 0 | 0 | 0 |
| Mar | 120.3 | 23.9 | 0 | 0 | 0 | 0 |
| Apr | 19.5 | 667.9 | 1.2 | 0 | 0 | 0 |
| May | 0.2 | 52.1 | 65.8 | 0 | 0 | 0 |
| Jun | 0 | 0 | 1213 | 34.5 | 0.1 | 0 |
| Jul | 0 | 0.1 | 548.4 | 235.5 | 0 | 0 |
| Aug | 0 | 0 | 75.6 | 56.8 | 0 | 0 |
| Sep | 0 | 0 | 2.4 | 0.5 | 0 | 0.4 |
| Oct | 0 | 0 | 0 | 0 | 0 | 0 |
| Nov | 0 | 0 | 0 | 0 | 0 | 0 |
| Dec | 0 | 0 | 0 | 0 | 0 | 0 |
(35 km)