Critically polluted areas
| S.No | Area | State/U.T. |
| 1 | Ankleshwar | Gujarat |
| 2 | Bhadravati | Karnataka |
| 3 | Chembur | Maharashtra |
| 4 | Digboi | Assam |
| 5 | Dhanbad | Bihar |
| 6 | Durgapur | West Bengal |
| 7 | Govindpur | Punjab |
| 8 | Greater Cochin | Kerala |
| 9 | Howrah | West Bengal |
| 10 | Jodhpur | Rajasthan |
| 11 | Kalka-Ambala | Himachal Pradesh |
| 12 | Korba | Madhya Pradesh |
| 13 | Manali | Tamil Nadu |
| 14 | Nagda – Ratlam | Madhya Pradesh |
| 15 | Najafgarh Drain Basin | Delhi |
| 16 | North Arcot | Tamil Nadu |
| 17 | Pali | Rajasthan |
| 18 | Parwanoo | Himachal Pradesh |
| 19 | Patancheru-Bollaram | Andhra Pradesh |
| 20 | Singrauli | Uttar Pradesh |
| 21 | Talcher | Orissa |
| 22 | Tarapur | Maharashtra |
| 23 | Vapi | Gujarat |
| 24 | Visakhapatnam | Andhra Pradesh |
(Source: Central Pollution Control Board, New Delhi)
Last Updated: February 26, 2013
