{"entity":{"iso2":"NO","iso3":"NOR","name":"Norway","slug":"norway"},"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":5.35663},{"date":"2004-01-01","value":5.35663},{"date":"2005-01-01","value":4.3973},{"date":"2006-01-01","value":4.68051},{"date":"2007-01-01","value":4.69725},{"date":"2008-01-01","value":3.46929},{"date":"2009-01-01","value":4.6971},{"date":"2010-01-01","value":5.27447},{"date":"2011-01-01","value":5.9877},{"date":"2012-01-01","value":5.1378},{"date":"2013-01-01","value":5.26331}],"summary":{"latest_period":"2013-01-01","latest_value":5.26331,"max":5.9877,"mean":4.938,"min":3.46929,"of":34,"rank":28,"trend":"rising"}}