Weekly Report

31 January 2020

Overall Risk
Tree Pollen
Grass Pollen
Weed Pollen
Mould Spores

Cape Town

Low levels were detected for grasses, extremely low levels for trees (one pollen grain for eucalyptus) and no weed pollen. Fungal spore levels were also low, but after rain a small spike was seen for Cladosporium.


Grass levels were moderate to high during this sampling week. Tree levels were low and the types: plane, eucalyptus, olive, birch, acacia and Casuarina were seen. Weeds were similarly low and only daisy and goosefoot were detected in the ambient air. Moulds were very low.


Grass counts were high throughout this week. Tree levels were low and flowering trees included: eucalyptus, plane, elm, palm, bush-willow, oak, Casuarina, acacia and birch. Weed pollen was low and consisted of goosefoot, daisy, English Plantain and Euphorbia (indigenous, often succulent). Mould levels were moderate.


Grasses decreased but the mean count remained high. The daily count exceeded 100 grains/ cu M on 22/2. Tree pollen was low, but Buddleja, olive, cypress and olive was seen in low numbers. The weed count was also low and consisted of Chenopod (goosefoot) and daisy. Moulds were very low.


Grass level were high with consistently high levels on every day of this sampling period. Tree levels were low (olive) as were weeds (goosefoot). Mould levels were low, but small spikes for Cladosporium were seen.


Mould levels were high during this sampling period. Grass levels were low. Tree levels were similarly low (mulberry and eucalyptus) as were weeds (ragweed and ferns).


Pollen levels were very low during this sampling period. Scanty grasses, low tree levels (eucalyptus and olive) and low weeds (Protea) were detected. Moulds were low.

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