Asia's most polluted cities in 2018

Rank	City	Pollution Index
1	Kabul, Afghanistan	97.79
2	Ghaziabad, India	97.67
3	Faridabad, India	95.89
4	Kathmandu, Nepal	95.78
5	Kanpur, India	94.69
6	Ho Chi Minh City, Vietnam	94.60
7	Karachi, Pakistan	94.51
8	Dhaka, Bangladesh	94.15
9	Ulaanbaatar, Mongolia	93.68
10	Hanoi, Vietnam	92.62
11	Noida, India	92.28
12	Delhi, India	92.25
13	Varanasi, India	91.93
14	Beijing, China	91.90
15	Gurgaon, India	91.80
16	Yangon, Myanmar	91.30
17	Allahabad, India	91.14
18	Manila, Philippines	91.03
19	Guangzhou, China	90.35
20	Beirut, Lebanon	90.30
21	Ludhiana, Punjab	89.36
22	Patna, India	89.13
23	Gwalior, India	88.06
24	Meerut	87.81
25	Raipur, India	86.96
26	Amritsar, India	86.51
27	Mumbai, India	86.16
28	Tehran, Iran	85.84
29	Guwahati, India	85.12
30	Shanghai, China	84.29
31	Agra, India	84.02
32	Bangalore, India	83.75
33	Cebu,  Philippines	83.49
34	Baku, Azerbaijan	82.47
35	Jakarta, Indonesia	82.32
36	Pattaya, Thailand	82.05
37	Hyderabad, India	8123
38	Chennai, India	80.77
39	Lucknow(Lakhnau), India	80.38
40	Pune, India	80.19
41	Kolkata, India	79.76
42	Amman, Jordan	79.75
43	Taichung, Taiwan	79.20
44	Jeddah(Jiddah), Saudi Arabia	78.96
45	Lahore, Pakistan	78.94
46	Phnom Penh, Cambodia	78.85
47	Almaty, Kazakhstan	77.55
48	Tbilisi, Georgia	76.87
49	Suzhou, China	75.83
50	Visakhapatnam, India	75.47
51	Chiang Mai, Thailand	75.07
52	Dehradun, India	74.72
53	Kochi, India	74.34
54	Bangkok, Thailand	74.34
55	Ankara, Turkey	73.66
56	Tabriz, Iran	73.65
57	Ahmedabad, India	73.38
58	Kuala Lumpur, Malaysia	72.97
59	Makati, Philippines	72.67
60	Riyadh, Saudi Arabia	72.22
61	Jubail, Saudi Arabia	72.02
62	Vijayawada, India	71.99
63	Indore, India	70.97
64	Bali, Indonesia	70.52
65	Doha, Qatar	70.41
66	Hangzhou, China	69.92
67	Nagpur, India	69.91
68	Shenzhen, China	69.59
69	Hong Kong, Hong Kong	69.35
70	Jaipur, India	68.62
71	Baguio, Philippines	67.97
72	Vadodara, India	67.66
73	Bandung, Indonesia	67.55
74	Istanbul, Turkey	67.11
75	Thane, India	66.59
76	Rajkot, India	66.14
77	Surat, India	65.75
78	Coimbatore, India	65.70
79	Udaipur, India	63.96
80	Thiruvananthapuram, India	63.09
81	Izmir, Turkey	62.75
82	Navi Mumbai, India	62.04
83	Bhopal, India	62.03
84	Davao, Philippines	60.83
85	Colombo, Sri Lanka	59.48
86	Osaka, Japan	59.44
87	Jamshedpur, India	59.32
88	Yerevan, Armenia	59.27
89	Nasik, India	58.84
90	Chandigarh, India	57.52
91	Dubai, United Arab Emirates	53.70
92	Goa, India	53.40
93	Bhubaneswar, India	52.38
94	Mysore, India	51.68
95	Islamabad, Pakistan	51.48
96	Abu Dhabi, United Arab Emirates	51.23
97	Surabaya, Indonesia	50.96
98	Tel Aviv-Yafo, Israel	49.25
99	Taipei, Taiwan	48.46
100	Tokyo, Japan	46.87
101	Muscat, Oman	43.39
102	Seoul, South Korea	40.32
103	Singapore, Singapore	33.94
104	Mangalore, India	24.90

Source & credit :  WHO