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Delhi Overtakes Lahore as World's Most Polluted City as AQI
According to Swiss air quality monitoring organisation IQAir, Delhi recorded an Air Quality Index (AQI) of 334, placing it at the top of its global ranking of major cities. Meanwhile, India's Central Pollution Control Board (CPCB) recorded an even higher AQI of 403
By Siddhaanth Raghav
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