Pakistan's Lahore has become world's most polluted city with an AQI of 1900 on Sunday

Not Delhi but Pakistan's Lahore has become the world's most polluted city with an Air Quality Index of 1,900 on Sunday, which is its highest ever, media reports said.

Delhi, nearby cities blanketed with toxic air for straight third day after Diwali

New Delhi/IBNS: Delhi and neighbouring areas were blanketed by toxic air for the third straight day after the ban on crackers was widely violated on the occasion of Diwali.

Delhi's air quality slumps to 'severe' category on Thursday, to improve between Friday and Sunday

Delhi/IBNS: Delhi’s air quality index (AQI) worsened to “severe” category on Thursday,  Central Pollution Control Board (CPCB) said.