{"entity":{"iso2":"BG","iso3":"BGR","name":"Bulgaria","slug":"bulgaria"},"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":31.8382},{"date":"1991-01-01","value":31.1312},{"date":"1992-01-01","value":30.8064},{"date":"1993-01-01","value":30.4816},{"date":"1994-01-01","value":30.1568},{"date":"1995-01-01","value":29.0677},{"date":"1996-01-01","value":29.5072},{"date":"1997-01-01","value":29.1824},{"date":"1998-01-01","value":28.8576},{"date":"1999-01-01","value":28.5328},{"date":"2000-01-01","value":28.5902},{"date":"2001-01-01","value":28.1926},{"date":"2002-01-01","value":31.1119},{"date":"2003-01-01","value":32.8668},{"date":"2004-01-01","value":28.6335},{"date":"2005-01-01","value":29.3064},{"date":"2006-01-01","value":29.5055},{"date":"2007-01-01","value":29.5865},{"date":"2008-01-01","value":27.9437},{"date":"2009-01-01","value":25.5598},{"date":"2010-01-01","value":25.3084},{"date":"2011-01-01","value":30.842},{"date":"2012-01-01","value":26.2195},{"date":"2013-01-01","value":23.8377},{"date":"2014-01-01","value":24.5644},{"date":"2015-01-01","value":21.8987},{"date":"2016-01-01","value":21.3968},{"date":"2017-01-01","value":22.0032},{"date":"2018-01-01","value":22.4334},{"date":"2019-01-01","value":21.9039},{"date":"2020-01-01","value":20.4975},{"date":"2021-01-01","value":20.3138},{"date":"2022-01-01","value":22.8156},{"date":"2023-01-01","value":19.6823}],"summary":{"latest_period":"2023-01-01","latest_value":19.6823,"max":32.8668,"mean":26.8993,"min":19.6823,"of":200,"rank":87,"trend":"falling"}}