Pollen Count in York
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York has two main pollen seasons. Tree pollen starts in March and lasts until May. During this time, trees release tiny particles into the air.
Updated: 3/22/2026
Grass pollen season begins in June and ends in July. This is usually the worst time for people in York. Pollen counts are high on warm, sunny days.
Weed pollen season happens in late summer. From August to October, weed pollen is in the air. This season is usually less severe than the others.
Pollen counts change daily, depending on the weather. Rainy days bring low pollen counts. Sunny days bring high pollen counts. People track pollen counts to plan ahead.
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 York 🌾. 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 | 7.7 | 0 | 0 | 0 | 0 | 0 |
| Mar | 99.5 | 19.6 | 0 | 0 | 0 | 0 |
| Apr | 10.4 | 649 | 0.9 | 0 | 0 | 0 |
| May | 0.1 | 96.7 | 51.2 | 0 | 0 | 0 |
| Jun | 0 | 0 | 987.3 | 19.2 | 0 | 0 |
| Jul | 0 | 0.2 | 477.2 | 83.9 | 0 | 0 |
| Aug | 0 | 0 | 104.6 | 23 | 0 | 0 |
| Sep | 0 | 0 | 6.2 | 0.2 | 0 | 0.3 |
| Oct | 0 | 0 | 0 | 0 | 0 | 0 |
| Nov | 0 | 0 | 0 | 0 | 0 | 0 |
| Dec | 0 | 0 | 0 | 0 | 0 | 0 |
(16 km)