Gurugram in India was the most polluted city in the world in 2018

Annual mean concentration of particulate matter with diameter of 2.5 microns or less. Micrograms per cubic metre

PM2.5 levels

0

20

40

60

80

100

120

Gurugram, India 135.8

Ghaziabad, India 135.2

Faisalabad, Pakistan 130.4

Faridabad, India 129.1

Bhiwadi, India 125.4

Noida, India 123.6

Patna, India 119.7

Hotan, China 116

Lucknow, India 115.7

Lahore, Pakistan 114.9

Beijing, China 50.9

Paris 15.6

London 12

New York 7

Melbourne 5.8