Summary Covid isolation and closed buildings over the holiday season have prevented access to some pollen monitoring sites and archived data has been used for the affected sites. Pollen in...
Summary Significant tree and weed pollen counts were seen in Cape Town and Durban. High fungal spore loads were also seen in Durban, and a peak in the allergenic fungal...
Summary Cape Town and Durban had high pollen counts, both due to peaks in the weed pollen category. Bulrush is flowering across South Africa and delivered significant counts in Cape...
Summary Three sites showed significant pollen counts in two or more pollen categories. Cape Town had high weed levels due to an increase in plantain and bulrush pollen, and moderate...
Summary Cape Town had moderate grass and tree counts, and moderate grass and weed counts were seen in Kimberley. Pretoria and Gqeberha both had low pollen counts, with Pretoria showing...
Summary Overall pollen and fungal spore counts were low for most sites across South Africa. An increase in grass pollen was observed in Kimberley and tree counts were significant in...
Summary Pollen levels were low across the country, except in Bloemfontein where moderate tree counts were seen. Fungal spore counts were also low throughout South Africa, but moderate in Durban...
Summary The rain that has fallen over many parts of South Africa recently has reduced pollen counts and spurred mould growth. Moulds often increase in spring and autumn especially after...
Summary Tree pollen decreased in all cities except Pretoria where a spike for the allergenic mesquite tree (Prosopis sp.) was detected. Grass levels were moderate in Cape Town, but low...
Summary High grass counts were seen in Cape Town, with low counts still observed in the summer rainfall areas. Tree pollen showed a significant increase in Johannesburg but decreased in...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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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