10 worst cities in Africa
PM2.5 annual mean, micrograms per cubic metre
amount
control
Bamenda
Cameroon
132
Kampala
Uganda
104
Kaduna
Nigeria
90
Bafoussam
Cameroon
67
Beau Bassin/Rose Hill
Coromandel Mauritius
67
Onitsha
Nigeria
66
Hartebeespoort
South Africa
60
Tshwane [Pretoria]
South Africa
51
Aba
Nigeria
49
Yaoudé
Cameroon
49
0
50
100
150
200