CHENNAI: Smog and poor visibility continued to blanket large parts of Chennai on Tuesday (October 21) morning, a day after Deepavali celebrations pushed air pollution levels to the year’s worst.

Several neighbourhoods in the city and outskirts recorded “very poor” to “severe” air quality through Monday night, with pollution monitors showing a sharp spike after 7 pm.

According to real-time data from the Central Pollution Control Board, the Air Quality Index (AQI) in Velachery touched 401 late on Monday (October 20) which categorised as “severe.” Perungudi and Chengalpettu recorded 331 and 342 respectively with almost every parts of the city and the outskirts including Tiruvanmiyur, Guindy, Kilpauk, Vyasarpadi, Manali have crossed beyond 250.

Though deteriorated, the situation appears "p

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