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Kolkata's air quality saw improvement this winter with average PM2.5 concentration dropping to 65 micrograms per cubic metre, yet the city remained the second-most polluted mega city in India after ...

WHO data show that almost all of the global population (99%) breathe air that exceeds WHO guideline limits and contains high ...

New Delhi's air pollution is more severe than previously estimated with particles absorbing atmospheric water vapor leading to particulate matter levels across the city being underestimated by up to ...

A recent Parliamentary Committee report has called upon the Indian Council of Medical Research (ICMR) to develop a robust action plan addressing the health impacts of air pollution in India. The ...

THREE of the five countries with the most polluted air on Earth are in South Asia. They include Pakistan, which ...

In 2023, it was the third most polluted country. Story continues below this ad “Air pollution remains a significant health burden in India, reducing life expectancy by an estimated 5.2 years,” it said ...

More information: Ying Chen, Air pollution in New Delhi is more severe than observed due to hygroscopicity-induced bias in aerosol sampling, npj Clean Air (2025). DOI: 10.1038/s44407-024-00001-6 ...

Many of the moves would affect landmark regulations aimed at protecting clean air and water. Industry generally applauded the proposed changes, while environmentalists worried about what would amount ...

with just 17% of cities globally meeting air pollution guidelines, a report Tuesday found. Switzerland-based air quality monitoring database IQAir analyzed data from 40,000 air quality monitoring ...

air pollution guidelines. As this map reveals, 91 per cent of all countries had unsafe levels of air pollution in 2024. Chad, Congo, Bangladesh, Pakistan and India had the dirtiest air.