The World Air Quality Report 2024 by Swiss air quality technology company IQAir said Delhi remains the most polluted capital city globally

Along with New Delhi, Greater Noida is ranked 2nd on the AQI list of 2024, with annual average of 166

India ranked as the world's fifth most polluted country in 2024, marking an improvement from its third rank in 2023

The high level of pollution in Byrnihat, a town on the Assam-Meghalaya border, is due to emissions from local factories, including distilleries, iron and steel plants.

Faridabad's annual average AQI is 154 owing to a seven-per cent decline in PM 2.5 concentrations, according to the World Air Quality Report 2024

The level dropped from an average of 54.4 micrograms per cubic meter in 2023 to 50.6 micrograms per cubic meter in Gurgaon

Along with India, Bangladesh and Pakistan also had the highest AQI levels

Despite global efforts to control pollution, Asia suffers from severe air quality issues, especially in South and East of Asia

35 per cent of Indian cities reported annual PM2.5 levels exceeding 10 times the World Health Organization (WHO) limit of 5 micrograms per cubic metre, as per The World Air Quality Report 2024 by Swiss air quality

Rohtak district in Haryana calculates the annual average of 144

Air pollution remains a most dangerous health risk in the country

Cities that are listed in the World's most polluted cities include New Delhi, Greater Noida, Noida, Ghaziabad, Faridabad, Gurgaon, Bhiwadi, Patna, Sonipat, Muzaffarnagar, Rohtak, Bhiwani and Bangladesh's Dhaka