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IQAir’s AQI Data 2023
November 19 , 2023
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- This ranking released by Swiss air purifier company, IQAir.
- Delhi was the most polluted city in the world with an air quality index (AQI) of 287.
- It is followed by Lahore, Pakistan, at 195.
- Mumbai, at 153, and Kolkata, 166, were also present among the top 10 of the most polluted cities.
- The IQAir’s AQI measures data from 109 countries, and readings change hourly.
- Air pollution in parts of Delhi was 30 times the safe limits prescribed by the World Health Organisation (WHO).
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