PM2.5 air pollution, mean annual exposure (micrograms per cubic meter) - Least developed countries: UN classification
Global Burden of Disease Collaborative Network. 2021. Global Burden of Disease Study 2019 ( GBD 2019 ) Air Pollution Exposure Estimates 1990-2019. Seattle, United States of America: Institute for Health Metrics and Evaluation ( IHME ). doi.org/10.6069/70JS-NC54
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