PM2.5 pollution, population exposed to levels exceeding WHO Interim Target-1 value (% of total) - Low income, Least developed countries: UN classification, Heavily indebted poor countries (HIPC)
Global Burden of Disease Study 2017 ( GBD 2017 ), Institute for Health Metrics and Evaluation ( IHME ), uri: ghdx.healthdata.org/gbd-2017, publisher: Institute for Health Metrics and Evaluation ( IHME ), date published: 202112
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