NEW DELHI: Delhi and Faridabad were among the top five cities with the worst air pollution in the country between 2015 and 2016, the Rajya Sabha was informed today.
“Cities can be ranked on the basis of different criteria pollutants with different results. Five cities where higher values of air quality index have been observed for the period between November 2015 to October 2016 are Delhi, Faridabad, Varanasi, Lucknow and Jaipur,” Environment Minister Anil Madhav Dave said in a written reply.
He was asked which were the top five polluted cities in the country.
Replying to another question, he said the National Air Quality Index transforms complex air quality data of various pollutants into single number, nomenclature and colour for effective communication of air quality status to people in terms which are easy to understand.
There are six AQI categories – good, satisfactory, moderately polluted, poor, very poor and severe. (AGENCIES)
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