Air pollution in Kenya

Abstract

Energy Dispersive X-ray Fluorescence (EXDRF) analysis of aerosol samples in Nairobi is presented. Results show that elemental concentrations is of the order of 10^ to lO"10 \igfm^ for most elements analyzed. The total suspended particulate (TSP) matter were between 30 80 fig/m3 for the entire sampling period between Dec. 1993 to October 1994. Levels of lead (Pb) are below WHO guidelines. However, the obtained bromine (Br) to Pb ratio: 03 - 0.51, which is an indication that the origin of Pb is due to the vehicular emissions. This ratio was particularly high during the month of April to July 1994 which were also found to be very active in terms of weather parameters.