23 September 2022

Summary High to very high tree counts were observed in Cape Town, the Gauteng province, and likely also in Bloemfontein and Kimberley – based on last week’s data. Grass counts were high in Calvinia and trees were moderate. Grass and weed counts were moderate in Cape Town and weeds were likely also moderate in Bloemfontein […]

30 September 2022

Overall Summary  Tree pollen was still high in Bloemfontein, Johannesburg and Cape Town, but is low to moderate in all other areas. Grasses were low throughout the country but moderate in Calvinia. Weeds pollen was uniformly low, but moderate in Cape Town. High mould levels were seen in Durban only. Cape Town High tree counts, […]

7 October 2022

Summary Tree counts were high to very high in Cape Town, Johannesburg and Pretoria. Moderate tree counts were detected in Calvinia (elevated mesquite counts) and also in Bloemfontein. Weed and grass pollen was generally low, except for moderate grasses detected in Cape Town and moderate weed levels in Gqeberha. Fungal spores were low across South […]

22 July 2022

Summary Tree counts are increasing at some sites, with high counts detected in Johannesburg and moderate levels seen in Cape Town, Pretoria and Bloemfontein. Weed counts were moderate in Calvinia and moderate fungal spore counts were recorded in Cape Town. Cape Town Moderate tree counts included spikes in cedar (Cedrus sp.) and gum (Myrtaceae) pollen, […]

21 October 2022

Summary Tree counts remain high in Pretoria, with elevated levels also seen in Johannesburg, Bloemfontein, Kimberley and Cape Town. Grass counts in Cape Town and Kimberley were moderate, with moderate weed counts seen in Bloemfontein and Kimberley. Fungal spore levels were not significant at any sites. Cape Town Grasses were moderate. Trees were generally not […]

28 October 2022

Summary Mould, grass, and weed counts were generally low across South Africa. Cape Town displayed moderate grass and weed pollen levels, with weeds similarly moderate in Calvinia and Bloemfontein. Tree counts were significant in Cape Town, Johannesburg and Bloemfontein, and moderate counts were observed in Bloemfontein, Pretoria and Kimberley. Cape Town Tree counts were significant, […]

4 November 2022

Summary The grass season is picking up in Cape Town with a peak in grass pollen detected. Elsewhere grasses were low and so were weeds – except in Bloemfontein where moderate counts were detected. Tree pollen levels were high in Cape Town, moderate in Bloemfontein, and low across the rest of South Africa. Durban was […]

11 November 2022

Summary Overall, pollen counts were low during this sampling week. Only grasses in Cape Town and trees in Pretoria approached significance, with fungal spores likely high in Durban (no new data). Cape Town During this cool weather period with some rain, grass counts were only just moderate. Low tree pollen levels in the atmosphere included […]

18 November 2022

Summary Pollen and fungal spore counts were low across most of South Africa. The tree, weed, and grass counts in Cape Town were moderate with moderate weed counts also recorded in Bloemfontein. Fungal spores were high in Kimberley and Durban, and moderate in Pretoria. Cape Town Grasses, trees, and weeds were moderate during this sampling […]