Valasaravakkam, a dense residential pocket in southwest Chennai, recorded the highest AQI in the city at 343, followed by Nungambakkam in central Chennai at 332, Sowcarpet – a sprawling, crowded commercial trading district in north-central Chennai – at 311.
Air quality turned particularly alarming in Tamil Nadu's capital Chennai on Diwali day on Sunday.
Chennai Air Quality Turns ‘Very Poor’ As AQI Crosses 300 On Diwali
Nov 9, 2026 | 9:29 PM
