Rye
Secale
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Wikimedia Commons / Rasbak
Botanical nameSecale
SeasonMay – Jul
Peak levelMay – Jun
Rye is the strongest allergen among cereal pollens. Its flowering period falls in early summer and overlaps with the grass pollen season. Rye fields are found mainly in rural areas of eastern Austria.
Pollen Season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Season (May – Jul) Peak level (May – Jun)
Typical Symptoms
- Severe hay fever
- Asthma
- Conjunctivitis
Threshold Levels
LowModerateHighVery High
Low ≥ 5 grains/m³
Moderate ≥ 20 grains/m³
High ≥ 50 grains/m³
Very High ≥ 100 grains/m³
Thresholds based on European Aeroallergen Network (EAN) guidelines
Tips for Allergy Sufferers
1Avoid rural areas with rye cultivation during the flowering period
2Cross-reaction with other grasses is common
3Change clothes after spending time outdoors