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2018 Environmental Performance Index: Air quality top public health threat

Green Car Congress

The EPI uses three indicators to measure air quality: household solid fuel use; PM 2.5 São Tomé and Príncipe, Kuwait, and Timor-Leste also increased their ranking due to several factors, including the establishment of areas protecting biodiversity and habitat. average exposure, and PM 2.5 exceedance of WHO thresholds.

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