https://www.reuters.com/article/us-india-pollution-idUSKCN20K0UT

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NEW DELHI (Reuters) - New Delhi was the world’s most polluted capital city for the second straight year in 2019, according to a Swiss-based group that gathers air-quality data globally. India was also home to 21 of the world’s 30 most polluted cities, IQ AirVisual said in the study which focused on the amount of PM2.5, fine particulate matter, in major urban areas. The study measured the concentration of poisonous PM2.5, particles that are less than 2.5 microns in diameter and can be carried deep into the lungs, as higher PM2.5 levels could cause deadly diseases, including cancer and cardiac problems. In 2019, New Delhi’s average annual concentration of PM2.5 in a cubic meter of air was... Full story

26 February

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