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No major Indian city achieved safe air quality levels in a decade, shows study
Business Standard
|November 29, 2025
Less breathing room
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.
This story is from the November 29, 2025 edition of Business Standard.
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