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News– According to the 2024 World Air Quality Report, Delhi remains the most polluted capital city in the world, with an average PM 2.5 concentration of 91.8 μg/m³. World Air Quality Report 2024.
About World Air Quality Report 2024
- Published by– Swiss organisation IQAir every year.
- The 2024 World Air Quality Report assesses global air quality for the year 2024.
- It provides a detailed analysis of PM2.5 levels from 8,954 cities across 138 countries, regions, and territories.
Key Findings for India
- Delhi remains the most polluted capital city in the world, with an average PM2.5 concentration of 91.8 μg/m³.
- The report also highlights that 13 of the 20 most polluted cities globally are in India, with Byrnihat (Assam-Meghalaya border) being the most polluted.
- Other highly polluted cities include Faridabad, Loni (Ghaziabad), Gurgaon, Greater Noida, Bhiwadi, Noida, Muzaffarnagar, New Delhi (Central Delhi), and Delhi (citywide average).
- India ranks as the fifth most polluted country in the world, with an average Air Quality Index (AQI) of 50.6 μg/m3 . It is 10 times higher than the WHO’s recommended annual limit of 5 μg/m³.
- In 2023, India was ranked the third most polluted country.
Particulate Matter (PM)
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