Summary
Grasses were moderate in Cape Town, Bloemfontein and Kimberley and trees were high in Bloemfontein and Kimberley. Mould was high in Durban.
Cape Town
Grasses were moderate. Trees were low and included sumac (Anacardiaceae), hackberry (Celtis), cypress (Cupressaceae), mulberry (Moraceae), waxberry (Morella), gum (Myrtaceae), olive (Oleaceae), plane (Platanaceae), pine (Pinaceae), yellowwood (Podocarpaceae), and oak (Quercus). Weeds were the daisy family (Asteraceae), goosefoot (Chenopodiaceae), sedges (Cyperaceae), erica (Ericaceae0, spurges (Euphorbiaceae), protea (Proteaceae) and bulrushes (Typhaceae). Moulds were low, but small spikes were seen for the allergenic mould Alternaria.
Johannesburg
Tree, grass and weed pollen concentrations were low at this sampling site. Trees were birch (Betula), cypress (Cupressaceae), gum (Myrtaceae), olive (Oleaceae), spruce (Picea), false olive (Buddleja), mulberry (Moraceae), oak (Quercus), karee (Searsia), willow (Salicaceae) and elm (Ulmaceae). Weeds were pigmyweeds (Crassulaceae), sedges (Cyperaceae), bulrushes (Typhaceae) and nettles (Urticaceae) and moulds were low.
Pretoria
Grasses are usually moderate to high at this time of the year. Trees might include acacia (Acacia-type), cedar (Cedrus), waxberry (Morella), mulberry (Moraceae), gum (Myrtaceae), oak (Quercus), ash (Fraxinus), birch (Betula), bushwillow (Combretaceae), karee (Searsia), pine (Pinaceae), hackberry (Celtis), yellowwood (Podocarpaceae), walnut (Juglandaceae) and buckthorn (Rhamnaceae). Weeds would be Goosefoot (Chenopodiaceae), the daisy family (Asteraceae), the carrot family (Chenopodiaceae), spurges (Euphorbiaceae) and plantain (Plantaginaceae). Moulds were low. 5-year means are shown.
Bloemfontein
Grasses were moderate. Tree concentrations were high and included acacia (Acacia-type), birch (Betula), false olive (Buddleja), birch (Betula), hackberry (Celtis), bushwillow (Combretaceae), waxberry (Morella), gum (Myrtaceae), the dominant tree olive (Oleaceae), oak (Quercus) pine (Pinaceae), plane (Platanaceae), poplar (Populaceae) and karee (Searsia). Weeds were the daisy family (Asteraceae), goosefoot (Chenopodiaceae), pigmyweeds (Crassulaceae), sedges (Cyperaceae) and plantain (Plantaginaceae) and moulds were low.
Kimberley
Grass was moderate. Trees were high and included bushwillow (Combretaceae), poplar (Populaceae) the dominant tree; plane (Platanaceae), high concentrations of olive (Oleaceae), karee (Searsia) and elm (Ulmaceae). Low weed counts included the daisy family (Asteraceae), goosefoot (Chenopodiaceae) and sedges (Cyperaceae). Moulds were low.
Durban
Moulds are high at this time of year with peaks for the allergenic mould Cladosporium. Trees are low and include pecan (Carya), birch (Betula), pine (Pinaceae), yellowwood (Podocarpaceae), mulberry (Moraceae), waxberry (Morella), poplar (Populaceae), hackberry (Celtis), cypress (Cupressaceae), acacia (Acacia-type), bushwillow (Combretaceae), mesquite (Prosopis), persimmon (Ebenaceae), karee (Searsia) and olive (Oleaceae). Weeds would be the daisy family (Asteraceae), ferns (Polypodiaceae), sedges (Cyperaceae), goosefoot (Chenopodiaceae), slangbos (Stoebe-type), and plantain (Plantaginaceae). 5-year means are shown.
Gqeberha
Pollen in all categories was low. Trees included Australian pine (Casuarina), cedar (Cedrus), cypress (Cupressaceae), gum (Myrtaceae), olive (Oleaceae), pine (Pinaceae) and yellowwood (Podocarpaceae). Weeds were pigweed (Amaranthaceae), the daisy family (Asteraceae), goosefoot (Chenopodiaceae), sedge (Cyperaceae), erica (Eicaceae), protea (Proteaceae), red (Restionaceae), mezereum (Thymelaeaceae), bulrush (Typhaceae) and nettles (Urticaceae). Moulds were low. Means of previous years are shown as no findings for this site were received.
George
The courier did not deliver the pollen strip in time for analysis so 2025 findings are shown. Pollen was low in all three categories. Low grass concentrations were seen and no tree or weed pollen was detected. Moulds were low.
Potchefstroom
Tree, grass and weed pollen concentrations were low. Trees included birch (Betula), cypress (Cupressaceae), gum (Myrtaceae), olive (Oleaceae), pine (Pinaceae) and karee (Searsia). Weeds were the daisy family (Asteraceae), sedges (Cyperaceae) and plantain (Plantaginaceae). Moulds were low.
Reference Range
Grass: Low: 0-5 Moderate: 6-20 High: 21-200
Trees: Low: 0-15 Moderate: 16-90 High: 91-1500
Weeds: Low: 0-10 Moderate: 10-50 High: 51-500
Moulds: Low: 0-900 Moderate: 900-2500 High 2500-25000
Unit: per cubic metre