Ozone Designation History
Ozone Design Value Maps
- North Carolina's Ozone Design Values, 2016-2018 (Preliminary) (Map)
- North Carolina's Ozone Design Values, 2015-2017 (Map)
- North Carolina's Ozone Design Values, 2014-2016 (Map)
- North Carolina's Ozone Design Values, 2013-2015 (Map)
- North Carolina's Ozone Design Values, 2012-2014 (Map)
2015 Ozone Standards
- North Carolina's Recommendations for Air Quality Designations for the 2015 8-hour Ozone Standards (September 30, 2016)
- USEPA Final National Ambient Air Quality Standards for Ozone: Final Rule (80 FR 65292, October 26, 2015)
- NCDENR comments on USEPA's Proposed Ozone Standards (March 17, 2015)
- NCDAQ Report on USEPA's Proposed Ozone Standards (January 7, 2015)
- USEPA Proposed National Ambient Air Quality Standards for Ozone: Proposed Rule (79 FR 75234, December 17, 2014)
2008 Ozone Standard
- Current map of 8-hour Ozone Maintenance Areas in North Carolina
- NCDAQ's comments on USEPA's June 6, 2013 proposed Implementation Plan Requirements for the 2008 Ozone Standards
- Final Nonattainment Area Designations for 2008 8-Hour Ozone Standard (Map)
- EPA Air Quality Designations for the 2008 Ozone National Ambient Air Quality, Final Action (77 FR 30088-30160)
- 8-Hour Ozone Nonattainment Boundary Recommendations
(2008 Revised 8-Hour Ozone Standard, 0.075 ppm) - Presentation for Proposed Nonattainment Boundary Recommendation (January 2012)
- NCDAQ's comments on USEPA's January 6, 2010, proposed ozone standards
- NCDAQ Report on USEPA's Proposed Ozone Standards (March 25, 2010) (.ppt)
- EPA proposed 2008 8-hour Ozone Nonattainment Boundary Recommendation (75 FR 2938-3052)