Selected global cities: Asia
PM2.5 annual mean, micrograms per cubic metre
amount
control
Delhi
India
122
Dhaka
Bangladesh
90
Karachi
Pakistan
88
Beijing
China
85
Ulaanbaatar
Mongolia
75
Islamabad
Pakistan
66
Mumbai
63
Kolkata
61
Shanghai
China
52
Kathmandu
Nepal
49
Guangzhou
China
48
Colombo
Sri Lanka
36
Hong Kong
China
29
Bangkok
Thailand
24
Seoul
South Korea
24
Singapore
Singapore
18
Manila
Philippines
17
Tokyo
Japan
15
0
50
100
150
200