{"entity":{"iso2":"IS","iso3":"ISL","name":"Iceland","slug":"iceland"},"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":"2003-01-01","value":0.04},{"date":"2004-01-01","value":0.04},{"date":"2005-01-01","value":0.625},{"date":"2006-01-01","value":0.581444},{"date":"2007-01-01","value":0.269417},{"date":"2008-01-01","value":0.2304},{"date":"2009-01-01","value":0.21},{"date":"2010-01-01","value":0.1925},{"date":"2011-01-01","value":0.125},{"date":"2012-01-01","value":0.185},{"date":"2013-01-01","value":0.2035},{"date":"2014-01-01","value":0.186},{"date":"2015-01-01","value":0.261},{"date":"2016-01-01","value":0.243},{"date":"2017-01-01","value":0.168},{"date":"2018-01-01","value":0.128},{"date":"2019-01-01","value":0.204},{"date":"2020-01-01","value":0.24},{"date":"2021-01-01","value":0.24}],"summary":{"latest_period":"2021-01-01","latest_value":0.24,"max":0.625,"mean":0.230119,"min":0.04,"of":34,"rank":34,"trend":"volatile"}}