Delhi ranks 4 on list of world's most polluted cities

Last Updated16/03/2023

Delhi ranked fourth on a list of 50 of the world's most polluted cities in terms of PM2.5 levels in 2022, according to World Air Quality Report prepared by IQAir.

Average PM2.5 level of Delhi
2022: of 92.6 μg/m3
2021: 96.4 μg/m3
The most polluted city in the world was found to be Lahore, followed by Hotan in China, and Bhiwadi in Rajasthan.
Average PM2.5 concentration in bhiwadi: 92.7 μg/m3.
Delhi has retained its ranking on this list-it stood fourth in 2021 as well.
The - WHO guideline for annual PM2.5 levels is 5 μg/m3.

The report makes a distinction between New Delhi and Delhi, with the former having anannual average PM2.5 levelof 89.1 μg/m3.
New Delhi is the second most polluted capital city out of 116 capital cities of in the world

A Swiss air quality technology company that prepares annual world air quality reports based on data from monitoring stations operated by governments and other institutions.
The 2022 report is based on PM2.5 data from 7,323 cities and 131 countries.
A total of 39 Indian cities are on the list of 50 of the world's most polluted cities.
These include cities like: Noida, Gurgaon, Bulandshahr, Meerut, Charkhi Dadri, Jind, Ghaziabad, Faridabad, and Greater Noida.