When is Ragweed pollen season in Austria?

The Ragweed pollen season runs from Jul to Oct, peaking from Aug to Sep.

What symptoms does Ragweed pollen allergy cause?

Severe hay fever, Asthma, Skin rash, Headaches.

What cross-reactions occur with Ragweed allergy?

The following cross-reactions are known for Ragweed allergy: Melon, Zucchini, Cucumber, Banana.

Ragweed

Ambrosia

Wikimedia Commons / Lazaregagnidze

Botanical nameAmbrosia

SeasonJul – Oct

Peak levelAug – Sep

Currently active

Ragweed (Ambrosia) is a weed introduced from North America that is increasingly spreading in Austria. Even a few pollen grains can trigger strong allergic reactions. Climate change is extending its pollen season.

Pollen Season

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Season (Jul – Oct) Peak level (Aug – Sep)

Typical Symptoms

Severe hay fever
Asthma
Skin rash
Headaches

Threshold Levels

LowModerateHighVery High

Low ≥ 5 grains/m³

Moderate ≥ 15 grains/m³

High ≥ 30 grains/m³

Very High ≥ 50 grains/m³

Thresholds based on European Aeroallergen Network (EAN) guidelines

Cross-Reactions

Melon(Oral Allergy Syndrome)

Common

Zucchini(Oral Allergy Syndrome)

Occasional

Cucumber(Oral Allergy Syndrome)

Occasional

Banana(Oral Allergy Syndrome)

Occasional

Tips for Allergy Sufferers

1Remove ragweed plants in your own garden (wear gloves)

2The pollen season extends into October — plan accordingly

3Ragweed pollen levels are especially high in the mornings

Ragweed Pollen Forecast by City

Wien Graz Linz Salzburg Innsbruck Klagenfurt St. Pölten Bregenz Eisenstadt

Other Pollen Types

Alder Birch Grass Mugwort Hazel Ash Rye