{"entity":{"iso2":"ZA","iso3":"ZAF","name":"South Africa","slug":"south-africa"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"pm-exposure-1990-2017","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/pm-exposure-1990-2017","title":"Particulate matter exposure in 1990 vs. 2017","unit":"micrograms per cubic meter"},"observations":[{"date":"1990-01-01","value":23.681},{"date":"1991-01-01","value":23.8772},{"date":"1992-01-01","value":23.8703},{"date":"1993-01-01","value":23.8635},{"date":"1994-01-01","value":23.8566},{"date":"1995-01-01","value":24.2558},{"date":"1996-01-01","value":23.8429},{"date":"1997-01-01","value":23.8361},{"date":"1998-01-01","value":23.8292},{"date":"1999-01-01","value":23.8224},{"date":"2000-01-01","value":23.6125},{"date":"2001-01-01","value":22.9647},{"date":"2002-01-01","value":22.3772},{"date":"2003-01-01","value":21.2997},{"date":"2004-01-01","value":21.4483},{"date":"2005-01-01","value":21.7029},{"date":"2006-01-01","value":25.785},{"date":"2007-01-01","value":27.9364},{"date":"2008-01-01","value":27.9743},{"date":"2009-01-01","value":28.4011},{"date":"2010-01-01","value":32.7959},{"date":"2011-01-01","value":28.5344},{"date":"2012-01-01","value":28.6475},{"date":"2013-01-01","value":28.4064},{"date":"2014-01-01","value":26.7493},{"date":"2015-01-01","value":28.4965},{"date":"2016-01-01","value":26.1436},{"date":"2017-01-01","value":28.7576},{"date":"2018-01-01","value":27.7734},{"date":"2019-01-01","value":28.8698},{"date":"2020-01-01","value":28.3262},{"date":"2021-01-01","value":27.7226},{"date":"2022-01-01","value":28.5063},{"date":"2023-01-01","value":27.7247}],"summary":{"latest_period":"2023-01-01","latest_value":27.7247,"max":32.7959,"mean":25.8733,"min":21.2997,"of":200,"rank":55,"trend":"rising"}}