Past Reports

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  • 2019
  • 2020
  • 2021
  • 2022
  • 2023

15 October 2021

Summary High pollen alert for Cape Town with high grass counts, high tree levels (cypress, eucalyptus, pine) and moderate weed counts due to a spike in sorrel. Grasses are still...
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8 October 2021

Summary Tree counts remain high in Cape Town, but a slight decrease in grass counts were seen in response to lower temperatures. Moderate to low tree counts were seen at...
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1 October 2021

Summary The grass season is starting with high grass pollen counts detected in Cape Town (>20 grains/cubic meter). High tree pollen levels were also recorded in Cape Town and in...
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24 September 2021

Summary High tree pollen counts were again seen in Cape Town (cypress, pine, gum and plane tree), Bloemfontein (hackberry, mulberry and plane tree) and Johannesburg (birch, plane and mulberry). Grass...
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17 September 2021

Summary High tree pollen counts across the country. The tree season is still peaking as cypress, mulberry, plane, pine and hackberry are reaching significant concentrations in the atmosphere. Many other...
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10 September 2021

Summary Trees are flowering at most sites now and significant tree counts were seen in Johannesburg, Pretoria and Cape Town. Cypress, plane, mulberry and birch have been detected in significant...
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3 September 2021

Tree pollen levels in Johannesburg were high, with a peak in plane tree pollen seen. Elsewhere tree pollen levels were low to moderate, in part due to cooler temperatures and...
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27 August 2021

Most sites reported low pollen and fungal spore concentrations, but tree counts are steadily picking up across the country as we head into spring. Cape Town had high tree pollen...
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20 August 2021

Summary Across the country most sites report low pollen concentrations. The exceptions are Cape Town and Johannesburg where the trees have begun their springtime pollen release cycles. In Cape Town...
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13 August 2021

Cape Town Grass and weed pollen levels were low. Tree pollen counts were moderate, and included gum (Myrtaceae), Australian pine (Casuarina sp.), pine (Pinaceae) and mulberry (Moraceae), with high levels...
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6 August 2021

Cape Town Grass, tree and weed counts were low. Tree pollen included gum (Myrtaceae), karee (Rhus sp. / Searsia sp.), cypress (Cupressaceae), Australian pine (Casuarina sp.), waxberry (Morella sp.), mulberry...
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30 July 2021

Due to logistical challenges, the results from the previous sampling period are repeated for Pretoria Cape Town Grass, tree and weed pollen were low, with tree and weed counts approaching...
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23 July 2021

Cape Town Grass, tree and weed pollen counts were low during this sampling period. Tree pollen included gum (Myrtaceae), karee (Rhus sp. / Searsia sp.), cypress (Cupressaceae), the pine family...
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16 July 2021

Civil unrest in the Gauteng and KwaZulu-Natal provinces interrupted data capturing at two of our sites for this sampling period. Very low temperatures with frost and snow on high lying...
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9 July 2021

Cape Town Grass, tree, weed and mould counts were low, with tree pollen approaching moderate counts. Tree pollen detected was gum (Myrtaceae), karee (Rhus sp. / Searsia sp.) and cypress...
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2 July 2021

Cape Town Grass, tree, weed and mould counts were low. Tree pollen included gum (Myrtaceae), mulberry (Moraceae), forest elder (Nuxia sp.) and karee (Rhus sp. / Searsia sp.). Nettle (Urticaceae)...
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25 June 2021

Cape Town Grasses, trees and weeds were low for this sampling period. Tree pollen included cypress (Cupressaceae), gum tree (Myrtaceae), forest elder (Nuxia sp.), Australian pine (Casuarina), waxberry (Morella sp.),...
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18 June 2021

Cape Town Grasses, trees, weeds and mould levels were low. Tree pollen included cypress (Cupressaceae), gum tree (Myrtaceae), forest elder (Nuxia sp.) and karee (Rhus sp. / Searsia sp.). The...
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11 June 2021

Cape Town Grass, tree and weed pollen levels were low for this sampling period. Tree pollen included cypress (Cupressaceae), waxberry (Morella sp.), forest elder (Nuxia sp.), gum tree (Myrtaceae) and...
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4 June 2021

Cape Town Grasses, trees, weeds and moulds were low for this sampling period. Forest elder (Nuxia sp.) and gum tree (Myrtaceae) were the only tree pollen detected, and the only...
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28 May 2021

Cape Town Grass, tree, weed and mould counts were low during this sampling period. Tree pollen included gum tree (Myrtaceae), waxberry (Morella sp.) and forest elder (Nuxia sp.). The only...
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21 May 2021

Cape Town Grasses were low. Trees were moderate due to the contribution of forest elder (Nuxia sp.). This tree is insect pollinated and unlikely to be allergenic. A small spike...
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14 May 2021

Cape Town Low grass, tree and weed levels were seen at this site. Trees detected were pepper tree (Schinus sp.) and forest elder (Nuxia sp.). Weeds included the daisy family...
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7 May 2021

Cape Town Grasses were very low. Low tree concentrations included forest elder (Nuxia sp.), bayberry (Morella sp.), gum (Myrtaceae), pepper tree (Schinus sp.) and cypress (Cupressaceae). Weeds were low and...
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