{"entity":{"iso2":"MR","iso3":"MRT","name":"Mauritania","slug":"mauritania"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"average-exposure-pm25-pollution","source":"Global Burden of Disease Study 2023, Institute for Health Metrics and Evaluation (IHME), via World Bank (2026) \u2013 processed by Our World in Data","source_url":"https://ourworldindata.org/grapher/average-exposure-pm25-pollution","title":"Average annual exposure to PM2.5 air pollution","unit":"micrograms per cubic meter"},"observations":[{"date":"1990-01-01","value":48.1349},{"date":"1991-01-01","value":48.5472},{"date":"1992-01-01","value":49.0033},{"date":"1993-01-01","value":49.4595},{"date":"1994-01-01","value":49.9157},{"date":"1995-01-01","value":50.284},{"date":"1996-01-01","value":50.828},{"date":"1997-01-01","value":51.2842},{"date":"1998-01-01","value":51.7403},{"date":"1999-01-01","value":52.1965},{"date":"2000-01-01","value":52.6966},{"date":"2001-01-01","value":41.9394},{"date":"2002-01-01","value":45.922},{"date":"2003-01-01","value":46.1044},{"date":"2004-01-01","value":45.6777},{"date":"2005-01-01","value":46.2189},{"date":"2006-01-01","value":46.4801},{"date":"2007-01-01","value":48.1007},{"date":"2008-01-01","value":48.3506},{"date":"2009-01-01","value":44.565},{"date":"2010-01-01","value":47.6054},{"date":"2011-01-01","value":49.0196},{"date":"2012-01-01","value":54.1026},{"date":"2013-01-01","value":42.7823},{"date":"2014-01-01","value":43.9453},{"date":"2015-01-01","value":53.0163},{"date":"2016-01-01","value":47.9119},{"date":"2017-01-01","value":50.4528},{"date":"2018-01-01","value":46.4676},{"date":"2019-01-01","value":43.6915},{"date":"2020-01-01","value":45.4453},{"date":"2021-01-01","value":48.988},{"date":"2022-01-01","value":45.0399},{"date":"2023-01-01","value":46.5014}],"summary":{"latest_period":"2023-01-01","latest_value":46.5014,"max":54.1026,"mean":48.0123,"min":41.9394,"of":200,"rank":16,"trend":"falling"}}