Site of study	Product	Years of study
Site of study	Product		2000	2001	2002	2003	2004	2005	2006	2007	2008	2009	2010	2011	2012	2013
Nairobi	AOD trend	$ω$	−0.0025	0.0035	0.0011	0.0033	−0.0026	0.0035	0.0035	0.0035	0.0035	0.0035	0.0035	0.0035	0.0035	0.0035
		$σ_{ω}$	0.0012	0.0015	0.0006	0.0015	0.0011	0.0015	0.0015	0.0015	0.0015	0.0015	0.0015	0.0015	0.0015	0.0015
		$\| ω / σ_{ω} \|$	2.08	2.33	1.83	2.30	2.36	2.33	2.33	2.33	2.33	2.33	2.33	2.33	2.33	2.33
	ÅEA trend	$ω$	0.01	−0.0015	0.0180	0.0089	0.0071	−0.0015	−0.0015	−0.0015	−0.0015	−0.0015	−0.0015	−0.0015	−0.0015	−0.0015
		$σ_{ω}$	0.0034	0.0009	0.0040	0.0035	0.0026	0.0009	0.0009	0.0009	0.0009	0.0009	0.0009	0.0009	0.0009	0.0009
		$\| ω / σ_{ω} \|$	2.94	1.67	4.50	2.54	2.73	1.67	1.67	1.67	1.67	1.67	1.67	1.67	1.67	1.67
Mbita	AOD trend	$ω$	−0.0023	−0.0003	−0.0024	−0.0007	−0.0038	−0.0003	−0.0003	−0.0003	−0.0003	−0.0003	−0.0003	−0.0003	−0.0003	−0.0003
		$σ_{ω}$	0.0013	0.0001	0.0016	0.0003	0.0013	0.0001	0.0001	0.0001	0.0001	0.0001	0.0001	0.0001	0.0001	0.0001
		$\| ω / σ_{ω} \|$	1.77	3.00	1.50	2.33	2.92	3.00	3.00	3.00	3.00	3.00	3.00	3.00	3.00	3.00
	ÅEA trend	$ω$	−0.0135	−0.0222	−0.0138	0.0068	−0.0128	−0.0222	−0.0222	−0.0222	−0.0222	−0.0222	−0.0222	−0.0222	−0.0222	−0.0222
		$σ_{ω}$	0.0032	0.0035	0.0030	0.0027	0.0024	0.0035	0.0035	0.0035	0.0035	0.0035	0.0035	0.0035	0.0035	0.0035
		$\| ω / σ_{ω} \|$	4.22	6.34	4.60	2.52	5.33	6.34	6.34	6.34	6.34	6.34	6.34	6.34	6.34	6.34
Malindi	AOD trend	$ω$	0.0034	0.0043	−−	−−	−−	−−	−−	−−	−−	−−	−−	−−	−−	−−
		$σ_{ω}$	0.0012	0.0019	−−	−−	−−	−−	−−	−−	−−	−−	−−	−−	−−	−−
		$\| ω / σ_{ω} \|$	2.83	2.26	−−	−−	−−	−−	−−	−−	−−	−−	−−	−−	−−	−−
	ÅEA trend	$ω$	−0.0024	−0.038	−−	−−	−−	−−	−−	−−	−−	−−	−−	−−	−−	−−
		$σ_{ω}$	0.0013	0.0017	−−	−−	−−	−−	−−	−−	−−	−−	−−	−−	−−	−−
		$\| ω / σ_{ω} \|$	1.85	2.24	−−	−−	−−	−−	−−	−−	−−	−−	−−	−−	−−	−−
Mau Forest Complex	AOD trend	$ω$	−0.0021	0.0021	0.0001	0.0052	−0.0024	0.0012	0.0045	−0.001	0.0036	0	0.0043	0.0023	−0.0007	−0.0012
		$σ_{ω}$	0.0011	0.0014	0.0002	0.0017	0.0011	0.0010	0.0011	0.0007	0.0016	0.0009	0.0013	0.0011	0.0002	0.0006
		$\| ω / σ_{ω} \|$	1.91	1.50	0.50	3.06	2.18	1.20	4.09	1.43	2.25	0.00	3.31	2.09	3.50	2.00
	ÅEA trend	$ω$	−0.0066	−0.0043	0.0124	−0.0101	0.005	−0.0168	0.0046	−0.0079	−0.0037	0.0132	−0.0015	0.0007	0.0144	0.0036
		$σ_{ω}$	0.0022	0.0020	0.0028	0.0026	0.0025	0.0025	0.0027	0.0018	0.0031	0.0025	0.0008	0.0002	0.0031	0.0012
		$\| ω / σ_{ω} \|$	3.00	2.15	4.43	3.88	2.00	6.72	1.70	4.39	1.19	5.28	1.88	3.50	4.65	3.00
Mount Kilimanjaro	AOD trend	$ω$	−0.0152	0.0019	0.0008	0.0067	−0.0085	−0.0027	0.0066	−0.0013	0.001	−0.0049	0.0028	0.0005	0.0011	−0.0091
		$σ_{ω}$	0.0022	0.0011	0.0002	0.0026	0.0018	0.0016	0.0015	0.0016	0.0006	0.0013	0.0014	0.0002	0.0009	0.0027
		$\| ω / σ_{ω} \|$	6.91	1.73	4.00	2.58	4.72	1.69	4.40	0.81	1.67	3.77	2.00	2.50	1.22	3.37
	ÅEA trend	$ω$	0.0022	−0.0004	0.0004	−0.0002	−0.0002	0.0002	0.0005	0.0003	−0.0003	0.0018	−0.0007	0.003	0.0005	0.0012
		$σ_{ω}$	0.0003	0.0002	0.0002	0.0001	0.0004	0.0001	0.0002	0.0001	0.0001	0.0004	0.0003	0.0007	0.0002	0.0005
		$\| ω / σ_{ω} \|$	7.33	2.00	2.00	2.00	0.50	2.00	2.50	3.00	3.00	4.50	2.33	4.29	2.50	2.40
Kampala	AOD trend	$ω$	−0.0029	−0.0103	−0.0116	−0.0045	−0.009	−0.0029	0.0088	0.0011	−0.0055	−0.0026	0.0033	−0.004	−0.009	−0.008
		$σ_{ω}$	0.0011	0.0024	0.0031	0.0026	0.0018	0.0017	0.0016	0.0009	0.0020	0.0016	0.0020	0.0019	0.0023	0.0024
		$\| ω / σ_{ω} \|$	2.64	4.29	3.74	1.73	5.00	1.71	5.50	1.22	2.75	1.63	1.65	2.11	3.91	3.33
	ÅEA trend	$ω$	0.006	0.0176	0.0273	0.018	0.0152	0.0052	0.0089	−0.002	0.0118	0.0112	−0.0019	0.0019	0.0253	0.0263
		$σ_{ω}$	0.0023	0.0025	0.0046	0.0033	0.0037	0.0037	0.0031	0.0012	0.0035	0.0027	0.0012	0.0009	0.0061	0.0044
		$\| ω / σ_{ω} \|$	2.61	7.04	5.93	5.45	4.11	1.41	2.87	1.67	3.37	4.15	1.58	2.11	4.15	5.98