{"entity":{"iso2":"LV","iso3":"LVA","name":"Latvia","slug":"latvia"},"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":0.148207},{"date":"2000-01-01","value":0.700411},{"date":"2001-01-01","value":0.683078},{"date":"2002-01-01","value":1.40547},{"date":"2003-01-01","value":1.7797},{"date":"2004-01-01","value":1.83195},{"date":"2005-01-01","value":1.55668},{"date":"2006-01-01","value":1.33272},{"date":"2007-01-01","value":3.8889},{"date":"2008-01-01","value":4.94198},{"date":"2009-01-01","value":5.53168},{"date":"2010-01-01","value":7.10239},{"date":"2011-01-01","value":8.44526},{"date":"2012-01-01","value":3.3659},{"date":"2013-01-01","value":3.25469},{"date":"2014-01-01","value":4.49972},{"date":"2015-01-01","value":4.19263},{"date":"2016-01-01","value":4.21602},{"date":"2017-01-01","value":4.2996},{"date":"2018-01-01","value":3.28371},{"date":"2019-01-01","value":2.54647},{"date":"2020-01-01","value":2.61338},{"date":"2021-01-01","value":2.76194}],"summary":{"latest_period":"2021-01-01","latest_value":2.76194,"max":8.44526,"mean":3.23402,"min":0.148207,"of":34,"rank":32,"trend":"volatile"}}