{"abstract":"Based on the Environmental Protection Agency's (EPA's) review of the air quality criteria addressing human health effects of oxides of nitrogen and the primary national ambient air quality standards (NAAQS) for oxides of nitrogen, as measured by nitrogen dioxide (NO<INF>2</INF>), the EPA is retaining the current standards, without revision.","action":"Final action.","agencies":[{"raw_name":"ENVIRONMENTAL PROTECTION AGENCY","name":"Environmental Protection Agency","id":145,"url":"https://www.federalregister.gov/agencies/environmental-protection-agency","json_url":"https://www.federalregister.gov/api/v1/agencies/145","parent_id":null,"slug":"environmental-protection-agency"}],"body_html_url":"https://www.federalregister.gov/documents/full_text/html/2018/04/18/2018-07741.html","cfr_references":[{"chapter":null,"citation_url":null,"part":50,"title":40}],"citation":"83 FR 17226","comment_url":null,"comments_close_on":null,"correction_of":null,"corrections":[],"dates":"This final action is effective on May 18, 2018.","disposition_notes":null,"docket_ids":["EPA-HQ-OAR-2013-0146","FRL-9976-78-OAR"],"dockets":[],"document_number":"2018-07741","effective_on":"2018-05-18","end_page":17278,"executive_order_notes":null,"executive_order_number":null,"full_text_xml_url":"https://www.federalregister.gov/documents/full_text/xml/2018/04/18/2018-07741.xml","html_url":"https://www.federalregister.gov/documents/2018/04/18/2018-07741/review-of-the-primary-national-ambient-air-quality-standards-for-oxides-of-nitrogen","images":{},"images_metadata":{},"json_url":"https://www.federalregister.gov/api/v1/documents/2018-07741?publication_date=2018-04-18","mods_url":"https://www.govinfo.gov/metadata/granule/FR-2018-04-18/2018-07741/mods.xml","not_received_for_publication":null,"page_length":53,"page_views":{"count":10626,"last_updated":"2026-07-26 18:15:03 -0400"},"pdf_url":"https://www.govinfo.gov/content/pkg/FR-2018-04-18/pdf/2018-07741.pdf","presidential_document_number":null,"proclamation_number":null,"public_inspection_pdf_url":"https://public-inspection.federalregister.gov/2018-07741.pdf?1523969120","publication_date":"2018-04-18","raw_text_url":"https://www.federalregister.gov/documents/full_text/text/2018/04/18/2018-07741.txt","regulation_id_number_info":{"2060-AR57":{"issue":"201710","html_url":"https://www.federalregister.gov/regulations/2060-AR57/review-of-the-primary-national-ambient-air-quality-standards-for-oxides-of-nitrogen","title":"Review of the Primary National Ambient Air Quality Standards for Oxides of Nitrogen","xml_url":"http://www.reginfo.gov/public/do/eAgendaViewRule?pubId=201710&RIN=2060-AR57&operation=OPERATION_EXPORT_XML","priority_category":"Other Significant"}},"regulation_id_numbers":["2060-AR57"],"regulations_dot_gov_info":{"supporting_documents":[{"title":"Fine Particulate Matter Constituents Associated with Cardio Vascular Hospitalizations and Mortality in New York City, Environmental Health Perspectives, Vol 119, #4, April 2011","document_id":"EPA-HQ-OAR-2013-0146-0157"},{"title":"Document submitted to initiate E.O. 12866 OMB review - Primary NO2 NAAQS, 2060-AR57, NPRM, 20170623","document_id":"EPA-HQ-OAR-2013-0146-0135"},{"title":"Primary NO2 NAAQS NPRM 20170713; Document Submitted to Conclude OMB Review Under E.O. 12866, Clean Version 20170713, Primary NO2 NAAQS NPRM, 2060-AR57","document_id":"EPA-HQ-OAR-2013-0146-0134"},{"title":"Documentation of Changes Made During OMB Review Under E.O. 12866, RLSO 20170713, Primary NO2 NAAQS NPRM, 2060-AR57","document_id":"EPA-HQ-OAR-2013-0146-0133"},{"title":"Villeneuve 2007; Outdoor Air Pollution and Emergency Department Visits for Asthma Among Children and Adults: A Case-crossover Study in Northern Alberta, Canada","document_id":"EPA-HQ-OAR-2013-0146-0122"},{"title":"US EPA 2015b; Review of the Primary National Ambient Air Quality Standards for Nitrogen Dioxide: Risk and Exposure Assessment Planning Document","document_id":"EPA-HQ-OAR-2013-0146-0117"},{"title":"us epa 1995; Review of the National Ambient Air Quality Standards for Nitrogen Dioxide Assessment of Scientific and Technical Information","document_id":"EPA-HQ-OAR-2013-0146-0110"},{"title":"Tunnicliffe 1994; Effect of Domestic Concentrations of Nitrogen Dioxide on Airway Responses to Inhaled Allergen in Asthmatic Patients","document_id":"EPA-HQ-OAR-2013-0146-0108"},{"title":"Nishimura 2013; Early-Life Air Pollution and Asthma Risk In Minority Children, The GALA II and SAGE II Studies","document_id":"EPA-HQ-OAR-2013-0146-0094"},{"title":"McConnell 2010 - Supplement; Childhood Incident Asthma and Traffic-Related Air Pollution at Home and School","document_id":"EPA-HQ-OAR-2013-0146-0091"}],"regulatory_plan":{"html_url":"https://www.federalregister.gov/regulations/2060-AR57/review-of-the-primary-national-ambient-air-quality-standards-for-oxides-of-nitrogen","title":"Review of the Primary National Ambient Air Quality Standards for Oxides of Nitrogen"},"comments_url":"https://www.regulations.gov/docketBrowser?rpp=50&so=DESC&sb=postedDate&po=0&dct=PS&D=EPA-HQ-OAR-2013-0146","supporting_documents_count":118,"docket_id":"EPA-HQ-OAR-2013-0146","regulation_id_number":"2060-AR57","title":"Primary National Ambient Air Quality Standard for Nitrogen Dioxide","checked_regulationsdotgov_at":"2018-05-08T10:00:14Z"},"regulations_dot_gov_url":null,"significant":true,"signing_date":null,"start_page":17226,"subtype":null,"title":"Review of the Primary National Ambient Air Quality Standards for Oxides of Nitrogen","toc_doc":"Review of the Primary National Ambient Air Quality Standards for Oxides of Nitrogen","toc_subject":null,"topics":["Air pollution control","Carbon monoxide","Environmental protection","Lead","Nitrogen dioxide","Ozone","Particulate matter","Sulfur oxides"],"type":"Rule","volume":83}