In compliance to the direction of Hon’ble National Green Tribunal, Principal Bench, New Delhi Dated: November 17, 2017 (in the matter of Vardhman Kaushik Vs. Union of India & Others vide OA No. 44/2018 (Earlier OA No. 21/2014), the ambient air quality data monitored by Continuous Ambient Air Quality Monitoring System (CAAQMS) and Manual Stations under NAMP in Delhi (operated by CPCB) with station wise daily average values of notified parameters are compiled for the period April 01, 2018 to April 30, 2018.