Like every year, CPCB has planned for air quality and noise level monitoring on selected pre-Deepawali day (21.10.2019) and on Deepawali day (27.10.2019) in Delhi. Ambient Noise was monitored at 16 locations (06 manual and 10 real-time noise monitoring). Ambient Air Quality was monitored at 37 operational Real-time monitoring stations.

This report presents the results of an air quality performance evaluation project. The goal of this project is to deploy 50 real-time air quality monitors (known as "Atmos") spread over 10 Indian cities, evaluate the performance of and provide contextual analytics of this data in periodic reports.

Question raised in Rajya Sabha on Most air-polluted cities, 01/07/2019. 102 non-attainment cities have been identified based on ambient air quality data for the period 2011 – 2015 and WHO report 2014/2018 and placed at Annexure-I.

Question raised in Rajya Sabha on Pollution in the cities, 24/06/2019. Data of 43 million plus cities has been analysed for various pollutants during 20152017. Analysis of data revealed that SO2 levels were within the National Ambient Air Quality Standard (NAAQS).

Question raised in Rajya Sabha on High level of air pollution in metropolitan cities , 24/06/2019.