Olive trees
The wild olive Olea europaea, subspecies Africana is a popular tree that has been planted throughout South Africa especially in public spaces. It releases allergenic pollen from October to March.
No action required. Pollen levels pose no risk to allergy sufferers.
< 20% of pollen allergy sufferers will experience symptoms. Known seasonal allergy sufferers should commence preventative therapies e.g. nasal steroid sprays.
> 50% of pollen allergy sufferers will experience symptoms. Need for increased use of acute treatments e.g. non-sedating antihistamines.
> 90% of pollen allergy sufferers will experience symptoms. Very allergic patients and asthmatics should limit outdoor activities and keep indoor areas free from wind exposure. Check section on pollen and day-to-day weather changes for planning activities.
These levels are potentially very dangerous for pollen allergy sufferers, especially asthmatics. Outdoor activities should be avoided.
There is currently no data available for this period.
The wild olive Olea europaea, subspecies Africana is a popular tree that has been planted throughout South Africa especially in public spaces. It releases allergenic pollen from October to March.
The UCT Lung Institute Allergy and Immunology Clinic is embarking on the exciting and ground-breaking journey of national pollen sampling.