Top 20 Most Polluted Cities in the World: List by Ranking
India ranked at 8th position in the list of the most polluted countries in the world in 2022. As per the report published by Swiss Air, quality Technology Company, IQAir, out of the top 20 most populated cities in the world, 15 cities were from India.
However, India has improved its position three places from the previous year, but, still, most Indian cities like Bhiwandi, Delhi and Darbhanga are the most polluted cities in the world making it unhealthy for the people living in these cities.
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List of Most Polluted Cities in the World 2023:
1. Lahore, Pakistan
2. Hotan, China
3. Bhiwadi, India
4. Delhi, India
5. Peshawar, Pakistan
6. Darbhanga, India
7. Asopur, India
8. N’Djamena, Chad
9. New Delhi, India
10. Patna, India
11. Ghaziabad, India
12. Dharuhera, India
13. Baghdad, Iraq
14. Chapra, India
15. Muzzafarnagar, India
16. Faisalabad, Pakistan
17. Greater Noida, India
18. Bahadurgarh, India
19. Faridabad, India
20. Muzzafarpur, India
How Pollution is Checked in These Cities?
To get the data for this research, more than 30,000 regulatory air quality monitoring stations and low-cost air quality sensors were employed in cities.
And to manage and monitor these air quality sensors, Governmental entities, research institutes, non-profit organisations, educational institutions, private businesses, and citizen scientists all over the world run these monitoring stations and sensors.
How Much Air Pollution Is Unhealthy?
13 of the 131 countries and regions reported in this report’s 2022 findings have obtained PM2.5 levels at or below. As per the World Health Organization (WHO) recommendation of 5 g/m3 for annual PM2.5 concentrations.
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Even though a lot of effort has been done by the central government of different countries to reduce air pollution, as this research shows, there is still a long way to go before to make the environment cleaner and more pollution-free. As per the WHO, people only live in 10% of the world’s nations, regions, and territories where the air they breathe is safe for their health.
Source: IQAIR
