Ryegrass Pollen
GrassesThe most common grass in temperate lawns and pastures worldwide. A dominant source of grass pollen allergy.
Season
May to August
Peak
June to July
In a typical year, Ryegrass Pollen season runs May to August, peaking around June to July.
Where is Ryegrass Pollen highest today?
Live ranking across the cities we track, from today's forecast. Updated daily.
| Locations | Level | Count |
|---|---|---|
| Sarajevo · Bosnia and Herzegovina | V.HI | 77 grains/m³ |
| Lyon · France | HIGH | 48 grains/m³ |
| Dresden · Germany | HIGH | 46 grains/m³ |
| Prague · Czech Republic | HIGH | 41 grains/m³ |
| Chișinău · Moldova | HIGH | 40 grains/m³ |
| Grenoble · France | HIGH | 38 grains/m³ |
| Geneva · Switzerland | HIGH | 36 grains/m³ |
| Bratislava · Slovakia | HIGH | 35 grains/m³ |
| Łódź · Poland | HIGH | 33 grains/m³ |
| Aarhus · Denmark | HIGH | 31 grains/m³ |
Ryegrass Pollen season by country
Typical windows from our country pollen calendars; the weather shifts them earlier or later each year.
| Country | Season | Peak |
|---|---|---|
| Australia | Oct–Jan | Nov–Dec |
| Japan | May–Jul | May–Jun |
| United Kingdom | May–Aug | Jun–Jul |