4 December 2020
Cape Town Grasses were low. Low trees included kareeboom (Rhus) gum (Myrtus) and olive (Olea). Low weeds included the types slangbos (Stoebe) Pellitory-of-the-wall (Parietaria) and mugwort (Artemisia). Moulds were low. Johannesburg Low levels of grass were detected. Tree levels were low and the types detected were jacaranda (Fabaceae), Acacia and gum (Myrtus). Low weed levels […]
12 December 2020
Cape Town Long term averages are given. Typically in this period trees are low and include the types cypress (Cupressus), oak (Quercus spp), plane (Platanus), olive (Olea Spp), Casuarina(beefwood), gum (Myrtus) and white stinkwood (Celtis spp). Low weed levels for this week of the year include Erica (Ericaceae), English Plantain (Plantago), rush (Juncus), Pellitory-of-the-wall (Parietaria) […]
18 December 2020
Covid has disrupted our readings for this week. Data is historical based on previous December findings. Cape Town All pollen counts remained low, but grass pollen increased slightly following rain. Tree pollen levels were low and were composed of cypress, mulberry, olive, plane and white stinkwood. Weed pollen levels were low and consisted of English […]
24 December 2020
Due to challenges related to the Covid-19 pandemic, historical count data from the different sites were used for this week’s report. Except for the grasses in Kimberley, which are based on the actual findings from last week. Cape Town The grass counts were low during this sampling period. Tree levels were similarly low and tree […]
31 December 2020
Due to logistical challenges related to the Covid-19 pandemic, count data from the same week in 2019 were used for this week’s report except for Cape Town where current data is displayed. Cape Town Moderate grass levels were obtained at times. Trees were low and included pine (Pinus), gum (Myrtus), waxberry (Morella), and white stinkwood […]
20 March 2020
Cape Town Grass pollen levels were very low during this period. Trees were similarly low and only white stinkwood (Celtis) was detected. Weeds were also low, consisting of goosefoot and the daisy family. Moulds were very low. Johannesburg Grass concentrations were higher throughout this sampling week occurring at the rate of >20 per day. Trees […]
10 January 2020
Kimberley Pollen levels remained very low and low grass, tree (olive and Casuarina) and weeds (ferns) were seen. Mould levels were low. The fungal spore (mould),Alternaria , increased after slight rain and approached but did not exceed the significant threshold. Gqeberha Grass counts were low at this sampling site. Tree pollen levels were low and […]
17 January 2020
Cape Town Low fungal spores, grasses, trees and weeds were seen during this hot, dry sampling week. The tree pollen was mostly eucalyptus which is insect pollinated but these trees are flowering strongly in the Cape at present and very low numbers of white stinkwood. Weed pollen detected was daisy and English Plantain. Johannesburg Grass […]
24 January 2020
Cape Town Grass, tree (Casuarina and cypress) were low. Weed levels (English Plantain and fern) were also low and fungal spore levels were extremely low during this protracted, hot, dry period. Johannesburg The grass counts maintained a constant low presence in the atmosphere. Tree pollen is declining as the trees complete their flowering cycles. […]
