{"query":{"parameter":"nitrogen dioxide","place":"EU","medium":null,"statistic":null,"kind":null},"searched":{"places":["EU"],"parameter_keys":["cas:10102-44-0","name:stickstoffoxide, angegeben als stickstoffdioxid","name:stickstoffoxide (stickstoffmonoxid und stickstoffdioxid), angegeben als stickstoffdioxid","name:ossidi di azoto (monossido e biossido), espressi come biossido di azoto"],"names_matched":[["nitrogen dioxide","cas:10102-44-0"],["stickstoffoxide angegeben als stickstoffdioxid","name:stickstoffoxide, angegeben als stickstoffdioxid","stickstoffdioxid"],["stickstoffoxide stickstoffmonoxid und stickstoffdioxid angegeben als stickstoffdioxid","name:stickstoffoxide (stickstoffmonoxid und stickstoffdioxid), angegeben als stickstoffdioxid","stickstoffdioxid"],["ossidi di azoto monossido e biossido espressi come biossido di azoto","name:ossidi di azoto (monossido e biossido), espressi come biossido di azoto","biossido di azoto"]],"match":"exact+contains","order":"The place's own instruments first, then each place above it, each in its register's order"},"total":3,"offset":0,"returned":3,"next_offset":null,"rows":[{"id":"4bec9f732bcbcfa9","parameter":"Nitrogen dioxide","value":"200","value_num":200,"unit":"µg/m³","direction":"max","kind":"limit","medium":"ambient_air","level":"eu","parameter_key":"cas:10102-44-0","place":["EU"],"conditions":["not to be exceeded more than 18 times a calendar year","1 January 2010"],"cite":{"instrument":"eu_air","title":"Directive 2008/50/EC on ambient air quality and cleaner air for Europe, Annexes VII, XI, XII, XIII and XIV (Annex VI for the lead sampling method), consolidated text 18.09.2015 as amended by Commission Directive (EU) 2015/1480; with Directive 2004/107/EC Annex I","issuer":null,"edition":"02008L0050 — EN — 18.09.2015 — 001.002","source_url":"http://publications.europa.eu/resource/celex/02008L0050-20150918","source_sha256":null,"fetched_at":null,"source_status":{"checked":"2026-10-15","status":"not verified"},"section":"ANNEX XI LIMIT VALUES FOR THE PROTECTION OF HUMAN HEALTH","page":null,"quote":"Nitrogen dioxide One hour 200 μg/m 3 , not to be exceeded more than 18 times a calendar year 50 % on 19 July 1999, decreasing on 1 January 2001 and every 12 months thereafter by equal annual percentages to reach 0 % by 1 January 2010 1 January 2010","column":"valeur"}},{"id":"327dc264cab6779d","parameter":"Nitrogen dioxide","value":"40","value_num":40,"unit":"µg/m³","direction":"max","kind":"limit","medium":"ambient_air","level":"eu","parameter_key":"cas:10102-44-0","place":["EU"],"conditions":["1 January 2010"],"cite":{"instrument":"eu_air","title":"Directive 2008/50/EC on ambient air quality and cleaner air for Europe, Annexes VII, XI, XII, XIII and XIV (Annex VI for the lead sampling method), consolidated text 18.09.2015 as amended by Commission Directive (EU) 2015/1480; with Directive 2004/107/EC Annex I","issuer":null,"edition":"02008L0050 — EN — 18.09.2015 — 001.002","source_url":"http://publications.europa.eu/resource/celex/02008L0050-20150918","source_sha256":null,"fetched_at":null,"source_status":{"checked":"2026-10-15","status":"not verified"},"section":"ANNEX XI LIMIT VALUES FOR THE PROTECTION OF HUMAN HEALTH","page":null,"quote":"Calendar year 40 μg/m 3 50 % on 19 July 1999, decreasing on 1 January 2001 and every 12 months thereafter by equal annual percentages to reach 0 % by 1 January 2010 1 January 2010","column":"valeur"}},{"id":"2ae90e3841b51139","parameter":"Nitrogen dioxide","value":"400","value_num":400,"unit":"µg/m³","direction":"max","kind":"threshold","medium":"ambient_air","level":"eu","parameter_key":"cas:10102-44-0","place":["EU"],"conditions":["To be measured over three consecutive hours at locations representative of air quality over at least 100 km 2 or an entire zone or agglomeration, whichever is the smaller"],"cite":{"instrument":"eu_air","title":"Directive 2008/50/EC on ambient air quality and cleaner air for Europe, Annexes VII, XI, XII, XIII and XIV (Annex VI for the lead sampling method), consolidated text 18.09.2015 as amended by Commission Directive (EU) 2015/1480; with Directive 2004/107/EC Annex I","issuer":null,"edition":"02008L0050 — EN — 18.09.2015 — 001.002","source_url":"http://publications.europa.eu/resource/celex/02008L0050-20150918","source_sha256":null,"fetched_at":null,"source_status":{"checked":"2026-10-15","status":"not verified"},"section":"ANNEX XII INFORMATION AND ALERT THRESHOLDS","page":null,"quote":"Nitrogen dioxide 400 μg/m 3","column":"valeur"}}],"next":[{"tool":"check_values","says":"Has your user measured this? check_values sets each of their results beside every row held here, with a verdict and the row's cite.","arguments":{"place":"EU"},"needs":{"rows":"Your user's measured results, as their table prints them: [{parameter: \"nitrogen dioxide\", value, unit}, ...], any other parameters too."},"post":"/api/v1/check"},{"tool":"read_certificate","says":"Has your user a laboratory certificate? read_certificate reads every row it prints, each with its page, and checks them against these limits.","arguments":{"place":"EU"},"needs":{"content_base64":"The laboratory's certificate (PDF) or its XLSX, XLS or CSV export, as base64; or file_url, a public https address of it."},"post":"/api/v1/certificate"}]}