Question raised in Rajya Sabha on Air pollution in the National Capital, 28/11/2016. The air pollution in National Capital Region (NCR) reached severe category as per Air Quality Index (AQI) recently during Diwali and first week of November, 2016.

Question raised in Lok Sabha on Pollution Index, 22/11/2016. The National Air Quality Index (AQI) is the web-based system designed to provide AQI on real time basis considering eight pollutants i.e. Sulphur Dioxide, Nitrogen Dioxide, Lead, Ozone, PM10, PM2.5, Carbon Monoxide and Ammonia for short term (upto 24 hourly) norms as
prescribed in the National Ambient Air Quality Standards (NAAQS-2009).The AQI values and corresponding ambient concentrations (health breakpoints) is enclosed at

Question raised in Lok Sabha on List of Most Polluted Cities, 22/11/2016. The methodology for calculation of pollution index in various parts of world is not same. Cities can be ranked on the basis of different criteria pollutants with different results. An ambient air pollution database released by the World Health Organisation in May 2016

Question raised in Lok Sabha on Air Pollution, 22/11/2016. The air pollution in National Capital Region (NCR) reached severe category in Air Quality Index (AQI) recently during the first week of November, 2016.

Question raised in Rajya Sabha on Level of pollution in metropolitan cities, 21/11/2016. Central Pollution Control Board (CPCB) in association with State Pollution Control Boards (SPCBs) / Pollution Control Committees (PCCs) monitors air and water bodies across the country under National Air Quality Monitoring Programme (NAMP) and National Water Quality Monitoring Programme (NWMP). Annual Ambient Air Quality data for ten major metropolitan cities during 2013, 2014, 2015 and 2016 is annexed. Water quality of Rivers is monitored at 1275 monitoring locations across the country.

Question raised in Rajya Sabha on Level of pollution in metropolitan cities, 21/11/2016. Central Pollution Control Board (CPCB) in association with State Pollution Control Boards (SPCBs) / Pollution Control Committees (PCCs) monitors air and water bodies across the country under National Air Quality Monitoring Programme (NAMP) and National Water Quality Monitoring Programme (NWMP). Annual Ambient Air Quality data for ten major metropolitan cities during 2013, 2014, 2015 and 2016 is annexed. Water quality of Rivers is monitored at 1275 monitoring locations across the country.

Question raised in Rajya Sabha on Air pollution in Delhi, 21/11/2016. The ambient air quality data monitored by Central Pollution Control Board at six locations in Delhi, under National Air Quality Monitoring Programme (NAMP), during October 2016 is annexed. The data reveals that, SO2 and NO2 are within National Ambient Air Quality Standard (NAAQS) of 80µg/m3 (24 hourly standards for SO2 and NO2) at all six locations in Delhi during October 2016.