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No major Indian city achieved safe air quality levels in a decade, shows study

Business Standard

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November 29, 2025

Less breathing room

- SANJEEB MUKHERJEE

No major Indian city has achieved a safe Air Quality Index (AQI) level in the past decade (2015-November 20, 2025), with New Delhi remaining one of the worst performers, a study of annual average AQI of 11 Indian cities showed.

The study highlighted that meteorology and geography are contributing to the persistent winter smog, especially in the Indo-Gangetic region.

A study by Climate Trends pointed out that cities such as Kolkata, Mumbai, Chennai, Chandigarh, and Visakhapatnam experienced moderate but still unsafe AQI levels in the past decade.

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