12 June 2020
Cape Town The grass pollen level was low. In the tree categor, low levels of cypress, gum, pine and Casuarina were detected. Weeds consisting of the daisy family and nettles were seen and moulds were low. Johannesburg Grass levels ranged from low to moderate. Low tree levels included: gum, Rhus (kareeboom), cypress and bush willow. […]
5 June 2020
Cape Town Grasses were very low during this sampling period. Low levels of tree pollen included gum, olive and willow. Only the daisy family and Stoebe represented weed pollen in very low quantities. Fungal spores increased sharply after rain followed by sunny weather. Ascospore levels were high on 27-28 May but disappeared when temperatures decreased […]
28 May 2020
Cape Town Grass levels were low, tree (gum and pine) were very low and the low weed levels contained only goosefoot. All moulds were low during the sampling period but small spikes were detected for Cladosporium. Johannesburg Grass levels were low to moderate. Trees levels were very low and only birch, bush willow and gum […]
21 May 2020
Cape Town Grass levels were very low. Tree pollen, including cypress and gum was also low. Low weed levels included Stoebe, an indigenous shrub, goosefoot and Erica. Moulds were very low. Johannesburg Low to moderate grass counts continued as the grass season winds down. Low tree levels including cypress, birch, linden and gum were seen. […]
10 May 2020
Cape Town The grass levels were low, as were trees. Tree types were Tilia (linden) cypress, eucalyptus and weeds, which included goosefoot, ferns and the daisy family and the indigenous Stoebe. Moulds were low with small but insignificant spikes for Cladosporium. Johannesburg Grass levels were low to moderate throughout the week. Tree levels were low […]
23 April 2020
Cape Town Tree levels were low and only cypress and eucalyptus pollen was detected. Grasses were similarly low. Weed levels were low and consisted of daisy, goosefoot and waxberry. Mould levels were uniformly low. Johannesburg No data available due to the Covid-19 crisis. Pretoria No data available due to lockdown due to the Covid-19 crisis) […]
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 […]
13 March 2020
Cape Town All pollen and mould types were low at this sampling site. Trees were low and were represented only by pine and waxberry. Weeds were similarly low and included the daisy family, goosefoot and Erica. Moulds were low. Johannesburg Grass concentrations were moderate throughout this sampling week occurring >10 per day. Trees were very […]
6 March 2020
Cape Town This week’s assessment is modelled on 10 years of archived readings. Grass counts are low at this time of year as are trees and weeds. Tree types include bayberry, eucalyptus and olive. Weeds detected are typically the daisy family, goosefoot and dandelion. Moulds are low Johannesburg Grass concentrations increased throughout this sampling week […]
