{"country":{"iso3":"SLE","name":"Sierra Leone","slug":"sierra-leone"},"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":41.761882},{"year":2002,"value":41.781678},{"year":2003,"value":41.751737},{"year":2004,"value":41.681221},{"year":2005,"value":41.579292},{"year":2006,"value":41.021548},{"year":2007,"value":39.857244},{"year":2008,"value":38.50603},{"year":2009,"value":37.387558},{"year":2010,"value":36.921479},{"year":2011,"value":43.134922},{"year":2012,"value":42.39699},{"year":2013,"value":34.420333},{"year":2014,"value":36.219374},{"year":2015,"value":51.806167},{"year":2016,"value":48.703674},{"year":2017,"value":44.707377},{"year":2018,"value":44.33515},{"year":2019,"value":38.592098},{"year":2020,"value":43.221094}]}