{"entity":{"iso2":"TO","iso3":"TON","name":"Tonga","slug":"tonga"},"indicator":{"licence":"UN SDG Global Database (open, attribution requested)","slug":"annual-mean-levels-of-fine-particulate-matter-population-weighted-by-location-micrograms","source":"United Nations Statistics Division, SDG Global Database","source_url":"https://unstats.un.org/sdgs/dataportal/database?series=EN_ATM_PM25","title":"Annual mean levels of fine particulate matter (population-weighted), by location (micrograms per cubic meter)","unit":null},"observations":[{"date":"2010-01-01","value":7.05674},{"date":"2011-01-01","value":6.89146},{"date":"2012-01-01","value":6.94259},{"date":"2013-01-01","value":6.80707},{"date":"2014-01-01","value":6.85054},{"date":"2015-01-01","value":6.91755},{"date":"2016-01-01","value":6.78423},{"date":"2017-01-01","value":6.8315},{"date":"2018-01-01","value":6.77564},{"date":"2019-01-01","value":7.02044},{"date":"2020-01-01","value":6.73944},{"date":"2021-01-01","value":6.54798},{"date":"2022-01-01","value":6.59034},{"date":"2023-01-01","value":6.18547}],"summary":{"latest_period":"2023-01-01","latest_value":6.18547,"max":7.05674,"mean":6.7815,"min":6.18547,"of":220,"rank":194,"trend":"falling"}}