Past Reports

Summary Tree pollen is now flowering across the country although the coastal sites still show a greater variety of trees rather than high concentrations. Cypress is still the dominant pollen....

PLEASE NOTE THE REPORT FOR 22 AUGUST 2025 IS DELAYED AS MOST OF THE AEROBIOLOGISTSHAVE BEEN ATTENDING THE NATIONAL ALLERGY CONFERENCE 20-22 AUGUST. Summary The increase in tree pollen continues...

Summary The winter flowering cypress tree is the dominant pollen in Johannesburg and Bloemfontein. Low temperatures and rain at many sites reduced pollen in the ambient air but the greater...

Summary In Gauteng (Johannesburg, Vanderbijlpark, Pretoria), the trees have begun their pollen release cycle, and cypress is dominant in these cities. High tree concentrations were also detected in Bloemfontein, where...

Summary The tree pollen season has begun in Johannesburg, where high tree concentrations were seen. The dominant tree is the allergenic cypress in Johannesburg and cypress pollen was seen at...

Summary The low temperatures at all sites continue to inhibit pollen and mould concentrations in the air, but the trees are stirring, as indicated by the greater variety of tree...

Summary Low pollen and mould concentrations were detected at all the sampling sites during this very cold midwinter sampling week. Cape Town Pollen concentrations were low. No weed pollen was...

Summary Pollen was barely present in the air at this time of year at all the sampling sites, and moulds were seen in low concentrations. Rain, low temperatures with frost...

Summary Tree, grass and weed pollen  was low at most sites that were read during this chilly midwinter period, when rain, hail and snow removes pollen from the air. Cape Town...

Summary Tree, grass and weed pollen concentrations were consistently low during this midwinter sampling week. Cape Town The grass, tree and weed pollen counts were flat in this midwinter period....

Summary Tree pollen is increasing in Bloemfontein where a significant peak for oak tree was seen. After the very cold weather in many parts of the country, grasses and weeds...

Summary Grasses were moderate in Kimberley but the tree, grass and weed pollen concentrations at all the other sites were low. Cape Town Pollen and fungal spores were low at...

Summary Airborne pollen was found in low concentrations at all sites except Bloemfontein, where tree pollen is approaching moderate levels. Cape Town Low pollen concentrations included the trees Morella (waxberry),...

Summary No strong pollen or mould peaks are reported for this early winter period. Cape Town Pollen and mould concentrations were extremely low. Trees detected included gum (Myrtaceae), pine (Pinaceae)...

Summary Pollen is low at all sites but grasses are moderate in Gqeberha. Moulds showed small peaks for Cladosporium in Pretoria, which is now operating again. Cape Town Low pollen...

Summary Cape Town Grasses were low. Low tree concentrations include cypress (Cupressaceae), Australian pine (Casuarina) and pine(Pinaceae). Weeds were mugwort (Artemisia), iris (Iridaceae) and erica (Ericaceae). moulds were low. Johannesburg...

Summary Several sites could not process their pollen samples or couriered samples did not reach the laboratories in time for analysis due to the two public holidays this week. Cape...

Summary: The public holiday delayed the delivery of couriered pollen strips to the laboratory. Pollen is disappearing from the air, but moulds are increasing. Cape Town Tree, weed and grass...

Summary Moderate grass concentrations were seen in Kimberley, Bloemfontein and Vanderbijlpark. Weeds were moderate only in Johannesburg and tree pollen in the atmosphere is scant. Cape Town Pollen in the...

Summary Grasses were high in Kimberley, but low at all the other sites. Tree and weed pollen is disappearing from the air, while moulds are increasing at the inland sites....

Summary Grasses are moderate at the inland sites but are low at the coastal sites. Trees and weeds are low everywhere. Moulds are increasing at some sites and are high...

Summary Grasses are high in Kimberley, where many degranulating grass grains were seen releasing respirable starch granules. Grasses and moulds were high in Vanderbijlpark. Moulds are increasing at several sites...

Summary Grasses in the summer rainfall areas are decreasing except for Kimberley, where grasses continue their upward trend. Weeds and trees are low at all sites. Cape Town Low grasses,...

Summary Significant grass concentrations were seen at all the inland sites. Trees and weeds have waned and moulds were low at all sites except Vandebijlpark, south of Johannesburg. Cape Town...