{"entity":{"iso2":"BG","iso3":"BGR","name":"Bulgaria","slug":"bulgaria"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"exposure-to-outdoor-air-pollution-in-urban-areas","source":"World Health Organization \u2013 processed by Our World in Data","source_url":"https://ourworldindata.org/grapher/exposure-to-outdoor-air-pollution-in-urban-areas","title":"Exposure to outdoor air pollution in urban areas","unit":"micrograms per cubic meter"},"observations":[{"date":"2010-01-01","value":23.51},{"date":"2011-01-01","value":24.32},{"date":"2012-01-01","value":22.27},{"date":"2013-01-01","value":20.37},{"date":"2014-01-01","value":20.49},{"date":"2015-01-01","value":19.5},{"date":"2016-01-01","value":19.33},{"date":"2017-01-01","value":20.03},{"date":"2018-01-01","value":19.56},{"date":"2019-01-01","value":17.45},{"date":"2020-01-01","value":15.73},{"date":"2021-01-01","value":16.2},{"date":"2022-01-01","value":15.41},{"date":"2023-01-01","value":13.69}],"summary":{"latest_period":"2023-01-01","latest_value":13.69,"max":24.32,"mean":19.1329,"min":13.69,"of":226,"rank":121,"trend":"falling"}}