New Delhi, March 11 -- Thirteen of the world's 20 most polluted cities are located in India, with Byrnihat in Meghalaya claiming the top spot, according to a recent report released on March 11.

The World Air Quality Report 2024, compiled by Swiss air quality technology firm IQAir, has revealed that Delhi continues to hold the title of the most polluted capital city globally. Meanwhile, India has been ranked as the fifth most polluted country in 2024, a slight improvement from its third-place position in 2023.

The report highlighted that India experienced a 7 per cent reduction in PM2.5 concentrations in 2024, with levels averaging 50.6 micrograms per cubic metre, down from 54.4 micrograms per cubic metre in 2023. Despite this improvemen...