{"entity":{"iso2":"CH","iso3":"CHE","name":"Switzerland","slug":"switzerland"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"average-nitrate-concentration-in-freshwater","source":"European Environment Agency (2023) \u2013 with minor processing by Our World in Data","source_url":"https://ourworldindata.org/grapher/average-nitrate-concentration-in-freshwater","title":"Average nitrate concentration in freshwater","unit":"milligrams per litre"},"observations":[{"date":"1999-01-01","value":38.35},{"date":"2000-01-01","value":16.5118},{"date":"2001-01-01","value":16.5137},{"date":"2002-01-01","value":16.504},{"date":"2003-01-01","value":16.4972},{"date":"2004-01-01","value":16.763},{"date":"2005-01-01","value":16.5164},{"date":"2006-01-01","value":17.1047},{"date":"2007-01-01","value":16.5991},{"date":"2008-01-01","value":16.0272},{"date":"2009-01-01","value":15.97},{"date":"2010-01-01","value":15.6835},{"date":"2011-01-01","value":15.2093},{"date":"2012-01-01","value":15.3127},{"date":"2013-01-01","value":16.262},{"date":"2014-01-01","value":15.2917},{"date":"2015-01-01","value":14.8316},{"date":"2016-01-01","value":14.7235},{"date":"2017-01-01","value":14.0662},{"date":"2018-01-01","value":14.1798},{"date":"2019-01-01","value":14.8722},{"date":"2020-01-01","value":14.9802},{"date":"2021-01-01","value":15.6821}],"summary":{"latest_period":"2021-01-01","latest_value":15.6821,"max":38.35,"mean":16.7153,"min":14.0662,"of":34,"rank":18,"trend":"falling"}}