{"entity":{"iso2":"LR","iso3":"LBR","name":"Liberia","slug":"liberia"},"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":18.7182},{"date":"1991-01-01","value":17.6268},{"date":"1992-01-01","value":17.6589},{"date":"1993-01-01","value":17.691},{"date":"1994-01-01","value":17.7231},{"date":"1995-01-01","value":15.5084},{"date":"1996-01-01","value":17.7874},{"date":"1997-01-01","value":17.8195},{"date":"1998-01-01","value":17.8516},{"date":"1999-01-01","value":17.8837},{"date":"2000-01-01","value":19.0393},{"date":"2001-01-01","value":16.1357},{"date":"2002-01-01","value":18.7397},{"date":"2003-01-01","value":15.5382},{"date":"2004-01-01","value":23.229},{"date":"2005-01-01","value":20.6417},{"date":"2006-01-01","value":19.5384},{"date":"2007-01-01","value":20.0031},{"date":"2008-01-01","value":21.2115},{"date":"2009-01-01","value":20.5639},{"date":"2010-01-01","value":16.9858},{"date":"2011-01-01","value":21.4655},{"date":"2012-01-01","value":18.6592},{"date":"2013-01-01","value":17.3127},{"date":"2014-01-01","value":16.211},{"date":"2015-01-01","value":23.5651},{"date":"2016-01-01","value":20.8967},{"date":"2017-01-01","value":18.7391},{"date":"2018-01-01","value":18.5563},{"date":"2019-01-01","value":17.9585},{"date":"2020-01-01","value":19.1349},{"date":"2021-01-01","value":16.8625},{"date":"2022-01-01","value":18.0264},{"date":"2023-01-01","value":17.9178}],"summary":{"latest_period":"2023-01-01","latest_value":17.9178,"max":23.5651,"mean":18.6235,"min":15.5084,"of":200,"rank":99,"trend":"rising"}}