23 December 2022
Summary This is the year’s last update; new pollen data will follow in January 2023. Moderate pollen levels were seen in Cape Town, Johannesburg and Bloemfontein, with weed pollen slightly elevated in Cape Town and Bloemfontein and grasses increasing in Johannesburg. Festive season closures meant no new findings were available for Kimberley, Pretoria and Potchefstroom. […]
16 December 2022
Summary A new site was added to the South African Pollen Monitoring Network – Potchefstroom in the North West province – which had moderate grass levels. High overall pollen counts were seen in Cape Town, with moderate levels of trees and weeds detected. In Johannesburg, grass and tree pollen counts were moderate. No new data […]
9 December 2022
Summary Overall pollen counts were high in Bloemfontein, Johannesburg and Pretoria. A peak in tree pollen was seen in Bloemfontein, with moderate levels also recorded in Johannesburg, Pretoria and Cape Town. Moderate grass counts were observed in Kimberley, Pretoria and Johannesburg, while weeds were moderate in Bloemfontein and Cape Town. Durban was the only site […]
2 December 2022
Summary Pollen counts were generally low across South Africa during this sampling week. Low to moderate levels of tree pollen were only seen in Johannesburg, Pretoria and Bloemfontein. No new data were available for Durban, but fungal spore counts were likely still moderate at this site. Cape Town Pollen and fungal spore counts were low […]
25 November 2022
Summary Significant pollen counts were seen in Cape Town, with moderate levels of trees, weeds, and grasses recorded. Pollen levels in the rest of South Africa were low, except in Pretoria where moderate tree levels were detected. Fungal spore counts were moderate in Durban, but low elsewhere. Cape Town Grass, tree, and weed counts were […]
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 […]
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 […]
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 […]
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, […]
