Over 9 million lives could be saved every year if countries met WHO air quality guidelines

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University of Cambridge researchers estimate that more than 9 million lives could be saved annually if low- and middle-income countries met the WHO's recommended air-quality guidelines. The guidance concerns fine particulate matter and nitrogen dioxide pollution.

Meeting the World Health Organization's recommended annual guidelines for air pollution resulting from fine particulate matter and nitrogen dioxide has the potential to save more than 9 million lives a year in low- and middle-income countries, say University of Cambridge researchers.