{"country":{"iso3":"USA","name":"United States","slug":"united-states"},"indicator":{"wb_code":"EN.ATM.PM25.MC.M3","name":"PM2.5 air pollution, mean annual exposure (micrograms per cubic meter)","unit":"","category":"Environment"},"source":"World Bank Open Data — https://data.worldbank.org","license":"CC BY 4.0","series":[{"year":2001,"value":12.604954},{"year":2002,"value":12.435376},{"year":2003,"value":12.240828},{"year":2004,"value":12.014576},{"year":2005,"value":11.749884},{"year":2006,"value":11.309449},{"year":2007,"value":10.673003},{"year":2008,"value":10.009375},{"year":2009,"value":9.487391},{"year":2010,"value":9.27588},{"year":2011,"value":9.364627},{"year":2012,"value":9.010554},{"year":2013,"value":8.746208},{"year":2014,"value":8.510127},{"year":2015,"value":8.190742},{"year":2016,"value":7.40835},{"year":2017,"value":7.790406},{"year":2018,"value":7.822007},{"year":2019,"value":7.176021},{"year":2020,"value":7.814858}]}