New Delhi, Nov. 9 -- Delhi witnessed a severe deterioration in air quality on Diwali night as thick smoke from firecrackers blanketed the capital, reducing visibility and leaving several neighbourhoods covered in a smoky haze.

The city's overall Air Quality Index (AQI) reportedly surged to 1,713 in the 'hazardous' category at 2 am on Monday. Although the reading declined to around 843 by 6.01 am, pollution levels remained alarmingly high.

The haze intensified as the evening progressed, with smoke accumulating over roads and residential neighbourhoods. The smell of burnt firecrackers lingered in the air, while residents across several localities complained of breathing difficulties.

Despite restrictions on firecracker use, celebrations ...