{"entity":{"iso2":"TZ","iso3":"TZA","name":"Tanzania","slug":"tanzania"},"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":16.8706},{"date":"1991-01-01","value":16.4386},{"date":"1992-01-01","value":16.7853},{"date":"1993-01-01","value":17.1321},{"date":"1994-01-01","value":17.4788},{"date":"1995-01-01","value":16.268},{"date":"1996-01-01","value":18.1723},{"date":"1997-01-01","value":18.519},{"date":"1998-01-01","value":18.8658},{"date":"1999-01-01","value":19.2125},{"date":"2000-01-01","value":20.338},{"date":"2001-01-01","value":24.9394},{"date":"2002-01-01","value":22.1531},{"date":"2003-01-01","value":21.2032},{"date":"2004-01-01","value":21.0934},{"date":"2005-01-01","value":21.3408},{"date":"2006-01-01","value":22.7154},{"date":"2007-01-01","value":23.6644},{"date":"2008-01-01","value":24.0769},{"date":"2009-01-01","value":22.1132},{"date":"2010-01-01","value":23.4473},{"date":"2011-01-01","value":24.045},{"date":"2012-01-01","value":23.2718},{"date":"2013-01-01","value":23.079},{"date":"2014-01-01","value":20.3066},{"date":"2015-01-01","value":20.9427},{"date":"2016-01-01","value":20.4238},{"date":"2017-01-01","value":18.6039},{"date":"2018-01-01","value":19.7342},{"date":"2019-01-01","value":22.0049},{"date":"2020-01-01","value":22.5095},{"date":"2021-01-01","value":20.5993},{"date":"2022-01-01","value":21.839},{"date":"2023-01-01","value":20.17}],"summary":{"latest_period":"2023-01-01","latest_value":20.17,"max":24.9394,"mean":20.5988,"min":16.268,"of":200,"rank":83,"trend":"rising"}}