Fat Hen Pollen
WeedsOne of the most widespread weeds globally. Produces allergenic pollen in summer and autumn, particularly in agricultural areas.
Season
July to October
Peak
August to September
In a typical year, Fat Hen Pollen season runs July to October, peaking around August to September.
Where is Fat Hen Pollen highest today?
Live ranking across the cities we track, from today's forecast. Updated daily.
| Locations | Level | Count |
|---|---|---|
| Sarajevo · Bosnia and Herzegovina | X.HI | 164 grains/m³ |
| Lyon · France | X.HI | 92 grains/m³ |
| Grenoble · France | X.HI | 68 grains/m³ |
| Geneva · Switzerland | X.HI | 64 grains/m³ |
| Tirana · Albania | X.HI | 64 grains/m³ |
| Bratislava · Slovakia | X.HI | 61 grains/m³ |
| Skopje · North Macedonia | X.HI | 60 grains/m³ |
| Chișinău · Moldova | X.HI | 59 grains/m³ |
| Belgrade · Serbia | X.HI | 52 grains/m³ |
| Leipzig · Germany | V.HI | 48 grains/m³ |
Fat Hen Pollen season by country
Typical windows from our country pollen calendars; the weather shifts them earlier or later each year.
| Country | Season | Peak |
|---|---|---|
| United Kingdom | Jul–Oct | Aug–Sep |
| United States | Jun–Oct | Jul–Sep |