Pollen Count in Canterbury
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Tree pollen starts in late March. It's one of the first types of pollen to appear. Many trees release pollen at this time. It's a big problem for some people.
Updated: 4/5/2026
Grass pollen season begins in May. It's the worst month for pollen. Grass pollen is everywhere. It's hard to stay inside when it's warm and sunny outside.
Weed pollen appears in June and July. Some weeds produce a lot of pollen. This pollen can travel far. It's a nuisance in rural areas.
Pollen levels decrease in August. The weather starts to change. It gets cooler and wetter. This helps to wash away pollen from the air.
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 Canterbury 🌾. 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 | 3.2 | 0 | 0 | 0 | 0 | 0 |
| Mar | 236.2 | 29.5 | 0 | 0 | 0 | 0 |
| Apr | 67.1 | 851.4 | 10.2 | 0 | 0 | 0 |
| May | 0.7 | 118.9 | 103.1 | 0 | 0.5 | 0 |
| Jun | 0 | 0 | 852.6 | 7 | 0.1 | 0 |
| Jul | 0 | 0.1 | 412.2 | 67.3 | 0 | 0 |
| Aug | 0 | 0 | 72.8 | 16.7 | 0 | 0.1 |
| Sep | 0 | 0 | 5 | 0.6 | 0 | 0.8 |
| Oct | 0 | 0 | 0.3 | 0.1 | 0 | 0 |
| Nov | 0 | 0 | 0 | 0.1 | 0 | 0 |
| Dec | 0 | 0 | 0 | 0 | 0 | 0 |
(20 km)
(71 km)