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Private monitors record AQI above 1,200 in Chennai on Deepavali night

  • On Monday, Chennai's Air Quality Index slipped to the 'Poor' category at 213 following Deepavali celebrations, according to the Central Pollution Control Board . Dense smoke from firecrackers significantly reduced visibility across the city.
  • Intense firecracker bursting on Sunday night caused dense smoke, according to Tamil Nadu Pollution Control Board data. Station-wise readings from Monday morning showed Manali Village recorded the highest AQI at 296.
  • Private air quality monitors indicated considerably higher pollution levels during peak celebrations than official data. Weather blogger Srikanth reported his outdoor sensor recorded an AQI of around 1,000 for nearly four hours on Sunday evening.
  • Residents like Vaishnavi noted smoke became trapped in cramped residential communities, reducing visibility significantly. Aruna of Valasaravakkam argued the designated window for bursting crackers was too short for families to participate.
  • Pollution levels may remain elevated over the next few days as northerly winds persist across the region. Experts expect a shift to easterly winds from the Bay of Bengal to aid dispersal and improve air quality.
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Air pollution in Chennai increased: Across Tamil Nadu, people are celebrating the festival of Diwali by bursting firecrackers. Despite widespread rain across the state, people continued to set off firecrackers amid the downpour. The bursting of firecrackers has led to severe air pollution in Chennai. With many areas blanketed in thick smoke, children and the elderly are facing significant hardship

·India
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One India broke the news in India on Sunday, November 8, 2026.
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