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About a third of 2019's asthma cases related to prolonged exposure to PM 2.5, global study finds

PM2.5, or particulate matter 2.5, refers to tiny particles in the air that are 2.5 microns or less in diameter.
Last Updated : 28 October 2024, 09:59 IST

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Published 28 October 2024, 09:59 IST

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