{"entity":{"iso2":"US","iso3":"USA","name":"United States","slug":"united-states"},"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":15.9073},{"date":"1991-01-01","value":15.9475},{"date":"1992-01-01","value":15.8055},{"date":"1993-01-01","value":15.6635},{"date":"1994-01-01","value":15.5215},{"date":"1995-01-01","value":15.744},{"date":"1996-01-01","value":15.2375},{"date":"1997-01-01","value":15.0955},{"date":"1998-01-01","value":14.9535},{"date":"1999-01-01","value":14.8115},{"date":"2000-01-01","value":14.4872},{"date":"2001-01-01","value":13.7496},{"date":"2002-01-01","value":13.6341},{"date":"2003-01-01","value":13.32},{"date":"2004-01-01","value":12.5754},{"date":"2005-01-01","value":13.3393},{"date":"2006-01-01","value":11.7479},{"date":"2007-01-01","value":10.8781},{"date":"2008-01-01","value":10.34},{"date":"2009-01-01","value":9.36879},{"date":"2010-01-01","value":9.30052},{"date":"2011-01-01","value":9.43462},{"date":"2012-01-01","value":8.71315},{"date":"2013-01-01","value":8.42665},{"date":"2014-01-01","value":8.40808},{"date":"2015-01-01","value":8.05235},{"date":"2016-01-01","value":7.38419},{"date":"2017-01-01","value":7.69344},{"date":"2018-01-01","value":7.75751},{"date":"2019-01-01","value":7.26916},{"date":"2020-01-01","value":7.73513},{"date":"2021-01-01","value":8.23139},{"date":"2022-01-01","value":7.42824},{"date":"2023-01-01","value":6.96804}],"summary":{"latest_period":"2023-01-01","latest_value":6.96804,"max":15.9475,"mean":11.4979,"min":6.96804,"of":200,"rank":176,"trend":"falling"}}