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A seemingly world-first study of daily ambient fine particulate matter ( PM 2.5 ) across the globe reports that only 0.18% of the global land area and 0.001% of the global population are exposed to levels of PM 2.5 – the world’s leading environmental health risk factor – below levels of safety recommended by Word Health Organization (WHO).
1 Only seven countries and three territories last year met World Health Organization pollution guidelines for fine particulate matter, according to the latest report by Swiss company IQ Air, published in March. From Monash University, in Melbourne, and published in March in The Lancet Planetary Health, this study looks at PM2.5
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