{"entity":{"iso2":"CR","iso3":"CRI","name":"Costa Rica","slug":"costa-rica"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"average-exposure-pm25-pollution","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/average-exposure-pm25-pollution","title":"Average annual exposure to PM2.5 air pollution","unit":"micrograms per cubic meter"},"observations":[{"date":"1990-01-01","value":20.1},{"date":"1991-01-01","value":19.9352},{"date":"1992-01-01","value":20.0024},{"date":"1993-01-01","value":20.0696},{"date":"1994-01-01","value":20.1368},{"date":"1995-01-01","value":19.7399},{"date":"1996-01-01","value":20.2712},{"date":"1997-01-01","value":20.3384},{"date":"1998-01-01","value":20.4056},{"date":"1999-01-01","value":20.4728},{"date":"2000-01-01","value":20.772},{"date":"2001-01-01","value":20.0869},{"date":"2002-01-01","value":20.4854},{"date":"2003-01-01","value":20.7211},{"date":"2004-01-01","value":19.0333},{"date":"2005-01-01","value":19.5238},{"date":"2006-01-01","value":18.8696},{"date":"2007-01-01","value":18.5886},{"date":"2008-01-01","value":18.8045},{"date":"2009-01-01","value":19.1398},{"date":"2010-01-01","value":19.9585},{"date":"2011-01-01","value":19.3112},{"date":"2012-01-01","value":18.5557},{"date":"2013-01-01","value":19.054},{"date":"2014-01-01","value":18.3616},{"date":"2015-01-01","value":19.0534},{"date":"2016-01-01","value":18.2625},{"date":"2017-01-01","value":18.3537},{"date":"2018-01-01","value":17.62},{"date":"2019-01-01","value":17.8413},{"date":"2020-01-01","value":17.9678},{"date":"2021-01-01","value":18.055},{"date":"2022-01-01","value":18.2413},{"date":"2023-01-01","value":17.698}],"summary":{"latest_period":"2023-01-01","latest_value":17.698,"max":20.772,"mean":19.2891,"min":17.62,"of":200,"rank":100,"trend":"falling"}}