{"entity":{"iso2":"US","iso3":"USA","name":"United States of America","slug":"united-states"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"emissions-of-air-pollutants-oecd","source":"Our World in Data","source_url":"https://ourworldindata.org/grapher/emissions-of-air-pollutants-oecd","title":"Emissions of air pollutants oecd","unit":null},"observations":[{"date":"1990-01-01","value":100.0},{"date":"1991-01-01","value":96.82},{"date":"1992-01-01","value":93.64},{"date":"1993-01-01","value":90.04},{"date":"1994-01-01","value":86.61},{"date":"1995-01-01","value":83.51},{"date":"1996-01-01","value":79.57},{"date":"1997-01-01","value":77.3},{"date":"1998-01-01","value":75.63},{"date":"1999-01-01","value":72.09},{"date":"2000-01-01","value":70.95},{"date":"2001-01-01","value":68.21},{"date":"2002-01-01","value":61.5},{"date":"2003-01-01","value":59.79},{"date":"2004-01-01","value":58.08},{"date":"2005-01-01","value":56.37},{"date":"2006-01-01","value":54.48},{"date":"2007-01-01","value":52.58},{"date":"2008-01-01","value":47.15},{"date":"2009-01-01","value":42.33},{"date":"2010-01-01","value":43.04},{"date":"2011-01-01","value":42.68},{"date":"2012-01-01","value":40.8},{"date":"2013-01-01","value":38.91},{"date":"2014-01-01","value":37.03},{"date":"2015-01-01","value":35.51}],"summary":{"latest_period":"2015-01-01","latest_value":35.51,"max":100.0,"mean":64.0238,"min":35.51,"of":31,"rank":19,"trend":"falling"}}