Air pollution level in Delhi rose to alarming levels following Diwali, says survey Air pollution level in Delhi rose to alarming levels following Diwali, says survey In Paschim Vihar The AQI Level Was 365 While In RK Puram It Was 286, The Survey Said, Adding That In Faridabad And Dwarka Area It Jumped To 406 And 254 Respectively. PTI | Updated on: 20 Oct 2017, 11:28:03 PM New Delhi: Air pollution in the National Capital soared to alarming levels till late Thursday night, reaching as much as five times over the safe limit because of the bursting of firecrackers despite a Supreme Court ban on their sale in the NCR, says a survey.