World Air Quality Report 2024:
With an average PM 2.5 concentration of 91.8 μg/m3, Delhi continues to be the most polluted Capital city in the world, according to the 2024 World Air Quality Report.
- World Air Quality Report is published by the Swiss organisation IQAir every year. The 2024 World Air Quality Report evaluates the global state of air quality for the year 2024.
- This comprehensive report presents 5 air quality data collected from 8,954 cities across 138 countries, regions, and territories.
- According to the 2024 World Air Quality Report, with an average PM 2.5 concentration of 91.8 μg/m3, Delhi continues to be the most polluted Capital city in the world.
- According to the report, 13 of the 20 most polluted cities in the world are in India, with Byrnihat on the Assam-Meghalaya border being the most polluted.
- The other cities include Faridabad, Loni (Ghaziabad), Gurgaon, Greater Noida, Bhiwadi, Noida, Muzaffarnagar, New Delhi (Central Delhi) and Delhi (taking the average from the rest of the city).
- India is the fifth most polluted country in the world, with an average Air Quality Index (AQI) of 50.6 μg/m3 – 10 times higher than the World Health Organization’s (WHO) annual PM2.5 guideline value of 5 μg/m3. In 2023, it was the third most polluted country.
