{"query":{"parameter":"sulfur dioxide","place":"FR","medium":null,"statistic":null,"kind":null},"searched":{"places":["FR","EU"],"parameter_keys":["cas:7446-09-5","cas:33990-98-6","cas:102424-23-7","cas:65345-27-9"],"names_matched":[["sulfur dioxide","cas:7446-09-5"],["1 decene polymer with sulfur dioxide","cas:33990-98-6"],["2 2 oxybisethanol reaction products with ammonia morpholine derivs residues reaction products with sulfur dioxide","cas:102424-23-7"],["ethanol 2 2 oxybis reaction products with ammonia morpholine derivs residues reaction products with sulfur dioxide","cas:102424-23-7"],["2 aminoethanol compound with sulphur dioxide 1 1","cas:65345-27-9","sulphur dioxide"]],"match":"exact+contains","order":"The place's own instruments first, then each place above it, each in its register's order"},"total":13,"offset":0,"returned":13,"next_offset":null,"rows":[{"id":"e5eaa538880bb9e2","parameter":"Dioxyde de soufre","value":"50","value_num":50,"unit":"µg/m³","direction":"max","kind":"guideline","medium":"ambient_air","level":"national","parameter_key":"cas:7446-09-5","place":["FR"],"conditions":[],"cite":{"instrument":"fr_air","title":"Code de l'environnement, partie réglementaire, Livre II Titre II (Air et atmosphère), article R. 221-1 II (normes de qualité de l'air, par polluant) — consolidation AIDA (INERIS); R. 221-1 last modified by Décret n° 2010-1250 du 21 octobre 2010","issuer":null,"edition":"Article R. 221-1 du code de l’environnement (Décret n° 2007-1479 du 12 octobre 2007, article 1er, Décret n° 2008-1152 du 7 novembre 2008, article 1er et Décret n° 2010-1250 du 21 octobre 2010, article 1er)","source_url":"https://aida.ineris.fr/reglementation/livre-ii-milieux-physiques-titre-ii-air-atmosphere-partie-reglementaire","source_sha256":null,"fetched_at":null,"source_status":{"checked":"2026-10-15","status":"not verified"},"section":"Article R. 221-1 du code de l’environnement","page":null,"quote":"4. Dioxyde de soufre : a) Objectif de qualité : 50 µg/m³ en moyenne annuelle civile","column":"valeur"}},{"id":"9745cfc447e365b6","parameter":"Dioxyde de soufre","value":"300","value_num":300,"unit":"µg/m³","direction":"max","kind":"threshold","medium":"ambient_air","level":"national","parameter_key":"cas:7446-09-5","place":["FR"],"conditions":[],"cite":{"instrument":"fr_air","title":"Code de l'environnement, partie réglementaire, Livre II Titre II (Air et atmosphère), article R. 221-1 II (normes de qualité de l'air, par polluant) — consolidation AIDA (INERIS); R. 221-1 last modified by Décret n° 2010-1250 du 21 octobre 2010","issuer":null,"edition":"Article R. 221-1 du code de l’environnement (Décret n° 2007-1479 du 12 octobre 2007, article 1er, Décret n° 2008-1152 du 7 novembre 2008, article 1er et Décret n° 2010-1250 du 21 octobre 2010, article 1er)","source_url":"https://aida.ineris.fr/reglementation/livre-ii-milieux-physiques-titre-ii-air-atmosphere-partie-reglementaire","source_sha256":null,"fetched_at":null,"source_status":{"checked":"2026-10-15","status":"not verified"},"section":"Article R. 221-1 du code de l’environnement","page":null,"quote":"b) Seuil d'information et de recommandation : 300 µg/m³ en moyenne horaire","column":"valeur"}},{"id":"ae7b98f11d1d37e2","parameter":"Dioxyde de soufre","value":"500","value_num":500,"unit":"µg/m³","direction":"max","kind":"threshold","medium":"ambient_air","level":"national","parameter_key":"cas:7446-09-5","place":["FR"],"conditions":["dépassé pendant trois heures consécutives"],"cite":{"instrument":"fr_air","title":"Code de l'environnement, partie réglementaire, Livre II Titre II (Air et atmosphère), article R. 221-1 II (normes de qualité de l'air, par polluant) — consolidation AIDA (INERIS); 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