NDTV, India
Chennai Air Quality Turns 'Very Poor' As AQI Crosses 300 On Diwali
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.