NEW DELHI: Around one-third of Delhi’s annual PM2.5 pollution is made up of secondary ammonium sulfate, with its share rising sharply during the city’s worst pollution months, according to a new ...
New research shows ammonium sulphate makes up nearly one-third of Delhi’s PM2.5 pollution and poses serious health risks. Studies link it strongly to asthma hospitalisations and acute heart events, ...
Secondary aerosols formed from emissions hundreds of kilometres away can combine in the atmosphere and significantly affect ...
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