Air quality deteriorates in north post-Diwali
New Delhi: A thick layer of smog hung over parts of north India on Monday, a day after Diwali celebrations during which crackers were burst beyond permitted hours, pushing air quality to alarmingly high levels.Delhi, Haryana, Punjab and Western Uttar Pradesh's Air Quality Index (AQI) levels were well above 350, falling into the 'very poor' range.Also Read: 'Data eclipse': Questions over Delhi AQI data as several monitoring stations go offline on Diwali nightOn Sunday, Delhi recorded its most po…

