Weekly Report

20 February 2020

City
Overall Risk
Tree Pollen
Grass Pollen
Weed Pollen
Mould Spores
Cape Town
Johannesburg
Bloemfontein
Durban
Pretoria
Port Elizabeth
Kimberley

Cape Town

Low grass counts were detected during this sampling week. Tree levels were low and included white stinkwood and pine. Weed levels were also low and the types identified were the daisy family, goosefoot and Erica. Moulds were low.

Johannesburg

Grass concentrations were moderate throughout this sampling. The daily concentration was >10 per day. Trees were very low and included the types: cypress and eucalyptus. Weeds were similarly very low and only Asteraceae (the daisy family) and ferns were detected.

Pretoria

Grass concentrations were moderate to high throughout the week. Trees were low and included the types: mulberry, eucalyptus, cypress and mulberry. Low weed concentrations included: Asteraceae (the daisy family). Moulds were the low overall but with some spikes for Aspergillus/Penicillium and Cladosporium.

Bloemfontein

Grass counts were high. Tree pollen levels were low and included Buddleja, cypess, olive, oak, pine and bush willow. Weeds were detected in low amounts and only the daisy family and goosefoot were observed. Moulds were low.

Kimberley

Kimberley’s levels have had to be repeated from the previous week as a result of the non delivery of the pollen strip.

Durban

Grass levels were high at this sampling site. Tree loads increased, and were dominated by birch, with eucalyptus and white stinkwood also recorded. Weed levels were low, including ragweed.

Port Elizabeth

Grass levels were low. Tree were low and included Casuarina, Morella (waxberry)and yellowwood. Weeds were low and the types detected were protea, the daisy family and Caryophyllaceae (the carnation family). Moulds were low, but increased after rain.

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