Past Reports

Summary Grass pollen is increasing in some summer rainfall regions of South Africa. Increased grass levels were seen in Johannesburg, Pretoria and Kimberley. Tree and weed pollen levels are generally...

Summary Grass pollen increased to moderate levels in Pretoria, Kimberley and Potchefstroom.  Most grass pollen was released in the cooler mornings in Kimberley as the maximum temperatures reached 40ºC, inhibiting...

Summary Loadshedding at all the sampling sites will have reduced these counts. Pollen was low in most sampling areas except for Potchefstroom, where weeds increased the mean count and Durban,...

Summary Torrential rain occurred at many of these sites. In cities where rain was prolonged (Johannesburg) pollen and mould was washed from the air so low counts were seen. In...

Summary The hot, dry weather conditions at most of the South African sampling sites resulted in very low pollen and mould or fungal spores in the atmosphere. The exceptions were...

Summary Low pollen loads were found from all the sites in the South African Pollen Monitoring network (SAPNET) this week. Ragweed (Ambrosia spp.) was detected from the air of Durban,...

Summary Many sites experienced high temperatures with no rain during this sampling period and pollen in the ambient air decreased. For the first time during this study, the adhesive on...

Pollen trigger alerts during this sampling period: Grass pollen is increasing in some of the summer rainfall areas and was moderate in Johannesburg, Pretoria, Bloemfontein and Kimberley. Tree pollen was...