{"entity":{"iso2":"IR","iso3":"IRN","name":"Iran","slug":"iran-islamic-rep"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"outdoor-air-pollution-exposure","source":"SatPM, Atmospheric Composition Analysis Group, Washington University in St. Louis (2026) \u2013 with minor processing by Our World in Data","source_url":"https://ourworldindata.org/grapher/outdoor-air-pollution-exposure","title":"Exposure to outdoor air pollution","unit":"\u00b5g/m\u00b3"},"observations":[{"date":"1998-01-01","value":27.4},{"date":"1999-01-01","value":28.5},{"date":"2000-01-01","value":35.1},{"date":"2001-01-01","value":35.2},{"date":"2002-01-01","value":35.0},{"date":"2003-01-01","value":36.5},{"date":"2004-01-01","value":35.7},{"date":"2005-01-01","value":35.2},{"date":"2006-01-01","value":36.1},{"date":"2007-01-01","value":37.0},{"date":"2008-01-01","value":38.8},{"date":"2009-01-01","value":39.8},{"date":"2010-01-01","value":39.6},{"date":"2011-01-01","value":39.3},{"date":"2012-01-01","value":37.1},{"date":"2013-01-01","value":36.3},{"date":"2014-01-01","value":36.1},{"date":"2015-01-01","value":36.1},{"date":"2016-01-01","value":35.3},{"date":"2017-01-01","value":36.0},{"date":"2018-01-01","value":36.7},{"date":"2019-01-01","value":35.8},{"date":"2020-01-01","value":34.8},{"date":"2021-01-01","value":35.6},{"date":"2022-01-01","value":37.6},{"date":"2023-01-01","value":37.1},{"date":"2024-01-01","value":37.7}],"summary":{"latest_period":"2024-01-01","latest_value":37.7,"max":39.8,"mean":35.9778,"min":27.4,"of":241,"rank":23,"trend":"rising"}}