Pollen Count in Calgary
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Calgary is not in the UK, it's in Canada. The UK is a different country. Let's talk about pollen seasons in the UK.
Updated: 4/17/2026
Tree pollen season starts early in the UK. It's usually in March and April. Trees release pollen into the air.
Grass pollen season starts in May and June. Grass pollen is a big problem for people. It's very high during these months.
Weed pollen season is in late summer. August and September are the peak months. Weeds release pollen into the air too.
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 Calgary 🌾. 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 | 0.7 | 0 | 0 | 0 | 0 | 0 |
| Mar | 11.7 | 2.4 | 0 | 0 | 0 | 0 |
| Apr | 26.6 | 349.1 | 0.1 | 0 | 0 | 0 |
| May | 0.1 | 69.1 | 9 | 0 | 0 | 0 |
| Jun | 0 | 0 | 81.6 | 0.1 | 0 | 0 |
| Jul | 0 | 0.1 | 63.7 | 0.8 | 0 | 0 |
| Aug | 0 | 0 | 9 | 0.2 | 0 | 0 |
| Sep | 0 | 0 | 0.9 | 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 |
(52 km)