10 worst cities in rest of North and South America
PM2.5 annual mean, micrograms per cubic metre
amount
control
Coyhaique Chile 64
Lima Peru 48
La Paz Bolivia 44
Santa Gertrudes Brazil 44
San Salvador El Salvador 42
La Estrella Colombia 41
Guatemala Guatemala 41
Tegucigalpa Honduras 36
Monterrey Mexico 36
Osorno Chile 35
0
50
100
150
200