19 August 2022
Summary High tree count alert across most of South Africa including Cape Town, Bloemfontein, Durban and Kimberley. Very high tree counts were also recorded in Johannesburg and Pretoria. Very high weed counts were seen in Calvinia, with moderate counts in Cape Town. Moderate grass counts were seen in Johannesburg, and moderate fungal spore counts were […]
12 August 2022
Summary Tree pollen remains high in some parts of the country. The highest counts were seen in Johannesburg, followed by Pretoria and Bloemfontein. Grasses, weeds and fungal spore levels were low across South Africa, except in Durban where moderate mould counts were recorded. Cape Town Grass levels were very low. Trees were low but varied, […]
5 August 2022
Summary Tree pollen levels are increasing, especially in Johannesburg, Pretoria and Bloemfontein. Grass and weed pollen counts remained low across the country and mould/fungal spores were low in all cities, except Durban. Cape Town Low grass, tree and weed pollen levels were seen. Tree pollen detected included the sumac family (Anacardiaceae), birch (Betulaceae), pine (Pinaceae), […]
29 July 2022
Summary Tree pollen counts are picking up as we head into the new pollen season, with high counts seen in Bloemfontein and moderate levels in Johannesburg. Fungal spore counts and pollen in the other plant categories remained low across the country. Cape Town All pollen types were low during this sampling period. Trees included the […]
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, […]
15 July 2022
Summary Pollen and fungal spore counts were low across South Africa, but tree pollen increased to moderate levels in Johannesburg. Cape Town Tree, grass and weed pollen levels were very low during this cold, rainy mid-winter period. Trees detected included the sumac family (Anacardiaceae), cypress (Cupressaceae), gum (Myrtaceae), sweet gum (Liquidambar sp.), yellowwood (Podocarpaceae), pine […]
8 July 2022
Summary: Pollen and mould spores remained low during this mid-winter sampling period, where minimum temperatures were as low as 1ºC in some inland cities. Signs of spring were seen in the tree profile in Gauteng, where oak and plane tree pollen is slowly increasing. Weed pollen was very low in all sampled areas of South […]
1 July 2022
Summary Low temperatures with frost at night depressed the mould/fungal spore loads in some inland cities. In coastal cities with milder weather small peaks in airborne mould spores were noted. in Kimberley 40 mm rain in one day removed pollen and mould from the air so the counts were extremely low for the final three […]
24 June 2022
Summary Overall low pollen and fungal spore counts were seen. Although no new data were available for Durban, the mould counts should be moderate at this time. Cape Town Low pollen levels as well as fungal spore counts were seen during this sampling period. Tree pollen included the sumac family (Anacardiaceae), cedar (Cedrus sp.), cypress […]
