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Assessment of air quality is an on-going activity of Central Pollution Control Board (CPCB), State Pollution Control Boards (SPCBs) and Pollution Control Committees (PCCs). The Central Pollution Control Board is executing a nation-wide programme of ambient air quality monitoring known as National Air Quality Monitoring Programme (NAMP). The network consists of 326 air quality monitoring stations covering 116 cities/towns in 28 States and 4 Union Territories of the country.
Based on the monitoring of ambient air quality data, the cities have been ranked as per the levels of Respirable Suspended Particulate Matter (RSPM) measured in residential area during 2004. The list of cities and their pollution level is as below:
Rank
City
RSPM Annual Average concentration during 2004 (Residential Areas) in Micro grams/Nm3
1.
Raipur
275
2.
Jharia
202
3.
Jalandhar
197
4.
Kanpur
184
5.
Alwar
178
6
Lucknow
157
7.
Satna
154
8.
Korba
154
9.
Faridabad
152
10.
Indore
149
11.
Solapur
144
12.
Ahmedabad
138
13.
Pune
137
14.
Guwahati
135
15.
Agra
133
16.
Delhi
131
17.
Jamnagar
130
18.
Dhanbad
129
19.
Vadodara
128
20.
Vapi
128
21.
Kolkata
122
22.
Nagda
121
23.
Surat
119
24.
Ankaleshwar
119
25.
Bhilai
117
26.
Jaipur
115
27.
Madurai
115
28.
Chandigarh
111
29.
Varanasi
111
30.
Jodhpur
110
31.
Howrah
104
32.
Trivendrum
102
33.
Kota
95
34.
Visakhapatnam
95
35.
Rourkela
89
36.
Udaipur
86
37.
Patna
84
38.
Nasik
82
39.
Mumbai
77
40.
Parwanoo
74
41.
Chandrapur
73
42.
Bangalore
71
43.
Jabalpur
69
44.
Nagpur
64
45.
Coimbatore
63
46.
Kozhikode
55
47.
Bhopal
54
48.
Hyderabad
54
49.
Kottayam
51
50.
Kochi
49
51.
Tuticorin
41
52.
Chennai
31
Note: The data of Jharia is of industrial area and data of Agra is of Taj Mahal (Sensitive area)
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