Delhi, Kolkata, Mumbai amongst prime 20 most polluted cities on the planet; Here is the complete listing

The cities have been ranked on the idea of two main air pollution detected on this research – tremendous particulate matter (PM2.5) and nitrogen dioxide (NO2). PM2.5 is an atmospheric particle lower than 2.5 micrometers in diameter, which is about 3 p.c of the diameter of a human hair. This causes respiratory issues and reduces visibility.

Meanwhile, highway visitors is among the many main exterior contributors to NO2, which is linked to deaths from extended publicity.

There was no Indian metropolis within the prime 20 when it comes to population-weighted NO2 publicity in 2019. Shanghai, Moscow and Tehran are the highest three cities on this listing.

Air high quality and well being in cities The report, revealed by State of Global Air, is a collaboration between the US-based Health Impact Institute (HEI) and the Global Burden of Disease mission of the Institute for Health Metrics and Evaluation.

According to the report, the best population-weighted annual common PM2.5 publicity in 2019 was Delhi at 110 μg/m3, adopted by Kolkata at 84 μg/m3.

Here is a listing of the highest 20 most polluted cities (PM2.5) on the planet with PM2.5 ranges in µg/m3:

1. Delhi, India (110)
2. Kolkata, India (84)
3. Kano, Nigeria (83.6)
4. Lima, Peru (73.2)
5. Dhaka, Bangladesh (71.4)
6. Jakarta, Indonesia (67.3)
7. Lagos, Nigeria (66.9)
8. Karachi, Pakistan (63.6)
9. Beijing, China (55)
10. Accra, Ghana (51.9)
11. Chengdu, China (49.9)
12. Singapore, Singapore (49.4)
13. Abidjan, Ivory Coast (47.4)
14. Mumbai, India (45.1)
15. again to prime (44.2)
16. Shanghai, China (40.1)
17. Dushanbe, Tajikistan (39.7)
18. Tashkent, Uzbekistan (38)
19. Kinshasa, Democratic Republic of the Congo (35.8)
20. Cairo, Egypt (34.2)