Cleanest cities in India

The article lists India's cleanest cities according to National City Rating published by Ministry of Urban Development, Government of India and Central Pollution Control Board (CPCB) India. The rating included 423 cities which covers 72 per cent of the urban population was undertaken. The country was divided into five zones for the purpose and each city was scored on 19 indicators. The cities were classified into four color categories of red, black, blue and green. None of the cities were rated as "Green" the best category in the exercise.

The recent ranking August 2015 by Swachh Bharat Abhiyan announced Mysore as the number one cleanest city by scoring the highest 18.50 out of 20 points in minimizing open defecation. Followed by Tiruchirapalli of Tamil Nadu which scored14.25 points out of 20.

According to the Central Pollution Control Board (CPCB) India, the least polluted cities in India, ranked based on air quality are Pathanamthitta, Mangalore, Wayanad, Hassan and Palakkad. The table below shows the ranking of these cities as per the PM10 content in the air.

The Union Ministry of Urban Development commissioned an extensive survey to study the progress of the Prime Minister Narendra Modi’s Swachh Bharat Mission and to rank 73 cities on sanitation and cleanliness. The survey, the first for the Swachh Bharat Mission, was conducted by the Quality Council of India (QCI) and was named Swachh Sarvekshan. It covered all state capitals and another 53 cities with a population of above one million. It involved three streams of data collection - interaction with municipal body, direct observation and citizen feedback. Swachh Sarvekshan evaluated the work done in the following six measurable aspects of sanitation and hygiene:

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