{"entity":{"iso2":"SL","iso3":"SLE","name":"Sierra Leone","slug":"sierra-leone"},"indicator":{"licence":"CC BY-NC-SA 3.0 IGO (WHO)","slug":"concentrations-of-fine-particulate-matter-pm2-5","source":"World Health Organization, Global Health Observatory","source_url":"https://www.who.int/data/gho/data/indicators/indicator-details/GHO/SDGPM25","title":"Concentrations of fine particulate matter (PM2.5)","unit":null},"observations":[{"date":"2010-01-01","value":33.5967},{"date":"2011-01-01","value":36.1672},{"date":"2012-01-01","value":39.4672},{"date":"2013-01-01","value":35.1987},{"date":"2014-01-01","value":37.786},{"date":"2015-01-01","value":40.7334},{"date":"2016-01-01","value":38.7378},{"date":"2017-01-01","value":39.0701},{"date":"2018-01-01","value":38.573},{"date":"2019-01-01","value":37.9688},{"date":"2020-01-01","value":38.6161},{"date":"2021-01-01","value":37.2037},{"date":"2022-01-01","value":38.012},{"date":"2023-01-01","value":39.7785}],"summary":{"latest_period":"2023-01-01","latest_value":39.7785,"max":40.7334,"mean":37.9221,"min":33.5967,"of":184,"rank":24,"trend":"rising"}}