Air Pollution

Pollution cloud hangs over northern cities after Deepavali

  1. What: Cities in northern India were choked by particulate matter pollution due to Deepavali
  2. Locations: The Air Quality Index (AQI) reading for Agra was 384, Ahmedabad 385, and Faridabad and Delhi the worst, at 428 and 445
  3. An AQI of 100 is the limit for good air quality
  4. Safe cities: Bengaluru, Chennai and Mumbai were in the ‘moderate’ to ‘satisfactory’ category, similar to last year’s Deepavali
  5. Other reasons: The AQI has also deteriorated from October 27 in northern cities due to an ‘anticyclone’ effect

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