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Particulate matter exposure in 1990 vs. 2017

Population-weighted average level of exposure to concentrations of suspended particles measuring less than 2.5microns in diameter. Exposure is measured in micrograms per cubic metre (µg/m³).

PM2.5 exposure in 2017 (micrograms per cubic meter)20 μg40 μg60 μg80 μg100 μgPM2.5 exposure in 1990 (micrograms per cubic meter)50 μgAfghanistanAfghanistanAlbaniaAlbaniaAlgeriaAlgeriaAndorraAndorraArmeniaArmeniaBeninBeninCameroonCameroonMauritaniaMauritaniaNigerNigerAfricaAsiaEuropeNorth AmericaOceaniaSouth America

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    Particulate matter exposure in 1990 vs. 2017

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