Spatial Extent and Distribution of Ambient Airborne Particulate Matter (PM_2.5) in Selected Land Use Sites in Nairobi, Kenya

Table 1

Description of the location of the selected sites, sampling site codes, and prevailing land use according to the Nairobi zonal map.

Site name	Code	Latitude	Longitude	Description
Viwandani	KCI	−1.3086	36.8737	Main industrial area
Mathare	KCM	−1.2617	36.8561	High-density residential flats (informal settlement)
Nairobi CBD	KCC	−1.2823	36.8310	Commercial/residential/light industry
Karura	KCF	−1.2470	36.8417	Park/forest/recreation
Lucky Summer	KCL	−1.2383	36.9019	Residential mixed development/industrial
Allsops	KCA	−1.2455	36.8681	Low-density residential (site was 15 m away from Thika Superhighway)
Kahawa	KCK	−1.1943	36.9181	Agricultural, residential mixed development
University of Nairobi	KCU	−1.2794	36.8163	Location of the Andersen Dichotomous impactor, mounted 17 m above the ground level