{"entity":{"iso2":"TO","iso3":"TON","name":"Tonga","slug":"tonga"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"exposure-to-outdoor-air-pollution-in-urban-areas","source":"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":null},"observations":[{"date":"2010-01-01","value":7.35},{"date":"2011-01-01","value":7.26},{"date":"2012-01-01","value":7.3},{"date":"2013-01-01","value":7.29},{"date":"2014-01-01","value":7.4},{"date":"2015-01-01","value":7.45},{"date":"2016-01-01","value":7.6},{"date":"2017-01-01","value":7.59},{"date":"2018-01-01","value":7.68},{"date":"2019-01-01","value":7.74}],"summary":{"latest_period":"2019-01-01","latest_value":7.74,"max":7.74,"mean":7.466,"min":7.26,"of":216,"rank":197,"trend":"rising"}}