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Delhi records AQI above 400 in some areas; air turns 'severe' on Diwali eve

Air Quality Index in Delhi-NCR reached hazardous levels with Anand Vihar hitting an AQI of 430, driven by high PM2.5 concentrations exceeding WHO limits, officials said.

  • On Sunday , Delhi's air quality plunged with an AQI of 284 near ITO and Anand Vihar recording the highest at 430, CPCB data showed.
  • As colder days approach, the India Meteorological Department reported PM2.5 concentration at 174 μg/m³, far above the World Health Organization guideline of 15 μg/m³.
  • Stations across the city reported extreme readings such as Wazirpur 364, Vivek Vihar 351, and Dwarka 335, while AQI.in estimated breathing Delhi's air equals smoking 6.1 cigarettes daily.
  • Health officials urged Delhi-NCR residents to wear masks and stay indoors, while the World Health Organization warns PM2.5 exposure can cause cardiovascular and respiratory diseases.
  • The Air Quality Early Warning System reported an AQI of 274 while AQI.in's 7 am readout showed 257, and the India Meteorological Department forecast mainly clear skies with a maximum temperature of 33 degrees Celsius.
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The Indian capital New Delhi is plunged this Monday, October 20 into a pollution level more than 16 times the maximum level tolerated by the World Health Organization (WHO), while the kick-off of the Diwali festival, conducive to pollution by firecrackers and fireworks, is about to be given.

·Paris, France
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Indian Express broke the news in India on Sunday, October 19, 2025.
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