Selected global cities: Africa
PM2.5 annual mean, micrograms per cubic metre
amount
control
Kampala
Uganda
104
Cairo
Egypt
76
Yaoundé
Cameroon
49
Johannesburg
South Africa
41
Tunis
Tunisia
38
Dakar
Senegal
34
Casablanca
Morocco
26
Nairobi
Kenya
17
0
50
100
150
200