Parent document       Overview of Air Quality in 20 Megacities
City
SO2
PM
Pb
CO
NO2
O3
Bangkog
           
BeiJing
           
Buenos Aires
           
Cairo
           
Calcutta
           
Dehli
           
Jakarta
           
Karachi
           
London
           
Los Angeles
           
Manila
           
Mexico City
           
Moscow
           
Mumbai
           
New York
           
Rio de Janeiro
           
Sao Paulo
           
Seoul
           
ShangHai
           
Tokyo
           
City
SO2
PM
Pb
CO
NO2
O3
Legend to Pollution Levels
 
 
Low
 
Moderate
 
Heavy
 
Serious
 
 
 
Source: UNEP and WHO Mage D. et al. (1996) Urban Air Pollution in MEgacities of the World; Atmospheric Environment Vol.30, No.5, pp681-686; Elsevier Science, UK