{"entity":{"iso2":"US","iso3":"USA","name":"United States of America","slug":"united-states"},"indicator":{"licence":"CC BY 4.0 (World Bank Open Data)","slug":"pm2-5-air-pollution-population-exposed-to-levels-exceeding-who-guideline-value-percent-of","source":"Global Burden of Disease Study 2017 (GBD 2017), Institute for Health Metrics and Evaluation (IHME)","source_url":"https://data.worldbank.org/indicator/EN.ATM.PM25.MC.ZS","title":"PM2.5 air pollution, population exposed to levels exceeding WHO guideline value (% of total)","unit":"% of total"},"observations":[{"date":"1990-01-01","value":47.9977},{"date":"1995-01-01","value":44.6945},{"date":"2000-01-01","value":43.0813},{"date":"2005-01-01","value":44.2206},{"date":"2010-01-01","value":38.213},{"date":"2011-01-01","value":46.6862},{"date":"2012-01-01","value":28.6581},{"date":"2013-01-01","value":20.8406},{"date":"2014-01-01","value":11.7313},{"date":"2015-01-01","value":8.46531},{"date":"2016-01-01","value":3.33444},{"date":"2017-01-01","value":3.34317}],"summary":{"latest_period":"2017-01-01","latest_value":3.34317,"max":47.9977,"mean":28.4388,"min":3.33444,"of":194,"rank":186,"trend":"volatile"}}