Weekly Report

5 September 2019

City
Overall Risk
Tree Pollen
Grass Pollen
Weed Pollen
Mould Spores

Cape Town

Tree pollen levels decreased due to rain, but cypress, plane, pine, gum and Morus ( includes mulberry) continued to flower. Low levels of weed and grass pollen were seen. The fungal spore load increased and a spike for Cladosporium was seen.

Johannesburg

The dominant tree pollen is plane with cypress pine, gum, oak and Betula (beech) pollen contributing low amounts to the overall count. Grass and weed pollen is low and very few fungal spores were seen.

Pretoria

High tree levels were found at this site. The dominant tree is Morus (includes mulberry) with low levels of pine, plane and Betula seen. Grass and weed pollen levels were low as were all fungal spores.

Durban

The overall pollen count is low. Spring is in the air though, with a few grains of pine, plane and cypress tree pollen appearing. Very high concentrations of the fungal spore Cladosporium  were seen during this sampling week.

Bloemfontein

Fungal spores were extremely low during this sampling week. Tree pollen was high  with high cypress levels and low levels of pine, plane and Betula (includes beech). Grass and weed pollen remained low.

Kimberley

Very low concentrations were seen for all fungal spores and pollen types. Gum, ash, Morus (includes mulberry) and Betula (beech) tree pollen was seen. Grass was present in low numbers. Weed pollen was similarly low and consisted of daisy, fern and English Plantain.

Gqeberha

Very low levels were seen for the pollen and fungal spore catches for this sampling period but pollen from the spring flowering trees Acer (maple) Platanus (plane), pine, Populus (poplar) and Morus (includes mulberry) was seen. Weed pollen taxa were Cyperaceae (sedge) and Asteraceae (includes daisy).