SIP Status Reports
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Status of Alabama Designated Areas
Status of Alabama Designated Areas
Alabama Areas by NAAQSNOTE: As of 03/12/2021, these reports are no longer being updated. For the latest information, see the SIP Status Tools.
Jump to Alabama section for: CO (1971) Lead (1978) Lead (2008) NO2 (1971) Ozone-1Hr (1979) Ozone-8Hr (1997) Ozone-8Hr (2008) Ozone-8Hr (2015) PM-10 (1987) PM-2.5 (1997) PM-2.5 (2006) PM-2.5 (2012) SO2 (1971) SO2 (2010)
Alabama CO (1971) Areas Return to map |
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No designated areas for this pollutant. | |||||||||||
Alabama Lead (1978) Areas Return to map Top of page |
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Click on the Area name to view SIP Required Elements Area |
Status | Designation Date |
Classification | 2010 Population (state portion) |
Meets NAAQS Basis |
Design Value Annual (µg/m3) (entire area) |
Meets NAAQS |
SIP Requirements Original/ Approved |
Clean Air Determination Citation Effective Date Click to view FR notice |
Redesignation Request Date |
Redesignation Citation Effective Date Click to view FR notice |
Jefferson County (part) | Maintenance | 01/06/1992 | 658,472 | 2009-2010 | No Data | 1 / 1 | |
10/04/1993 | 03/07/1995 60 FR 2026 |
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Alabama Lead (2008) Areas Return to map Top of page |
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Click on the Area name to view SIP Required Elements Area |
Status | Designation Date |
Classification | 2010 Population (state portion) |
Meets NAAQS Basis |
Design Value Annual (µg/m3) (entire area) |
Meets NAAQS |
SIP Requirements Original/ Approved |
Clean Air Determination Citation Effective Date Click to view FR notice |
Redesignation Request Date |
Redesignation Citation Effective Date Click to view FR notice |
Troy | Maintenance | 12/31/2010 | 2,275 | 2017-2019 | 0.16 | No | 6 / 6 | |
01/03/2018 | 07/20/2018 83 FR 28543 |
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Alabama NO2 (1971) Areas Return to map Top of page |
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No designated areas for this pollutant. | |||||||||||
Alabama Ozone-1Hr (1979) Areas Return to map Top of page |
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Click on the Area name to view SIP Required Elements Area |
Status | Designation Date |
Classification | 2010 Population (state portion) |
Meets NAAQS Basis |
Design Value Annual (ppm) (entire area) |
Meets NAAQS |
SIP Requirements Original/ Approved |
Clean Air Determination Citation Effective Date Click to view FR notice |
Redesignation Request Date |
Redesignation Citation Effective Date Click to view FR notice |
Birmingham Area | Maintenance (NAAQS revoked) | 11/15/1990 | Marginal | 853,551 | 2017-2019 | 0.093 | Yes | 4 / 4 | |
01/30/2004 | 04/12/2004 69 FR 11798 |
Alabama Ozone-8Hr (1997) Areas Return to map Top of page |
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Click on the Area name to view SIP Required Elements Area |
Status | Designation Date |
Classification | 2010 Population (state portion) |
Meets NAAQS Basis |
Design Value Annual (ppm) (entire area) |
Meets NAAQS |
SIP Requirements Original/ Approved |
Clean Air Determination Citation Effective Date Click to view FR notice |
Redesignation Request Date |
Redesignation Citation Effective Date Click to view FR notice |
Birmingham Area | Maintenance (NAAQS revoked) | 06/15/2004 | Former Subpart 1 | 853,551 | 2017-2019 | 0.067 | Yes | 4 / 1 | |
11/16/2005 | 06/12/2006 71 FR 27631 |
Alabama Ozone-8Hr (2008) Areas Return to map Top of page |
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No designated areas for this pollutant. | |||||||||||
Alabama Ozone-8Hr (2015) Areas Return to map Top of page |
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No designated areas for this pollutant. | |||||||||||
Alabama PM-10 (1987) Areas Return to map Top of page |
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No designated areas for this pollutant. | |||||||||||
Alabama PM-2.5 (1997) Areas Return to map Top of page |
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Click on the Area name to view SIP Required Elements Area |
Status | Designation Date |
Classification | 2010 Population (state portion) |
Meets NAAQS Basis |
Design Value Annual (µg/m3) (entire area) |
Meets NAAQS |
SIP Requirements Original/ Approved |
Clean Air Determination Citation Effective Date Click to view FR notice |
Redesignation Request Date |
Redesignation Citation Effective Date Click to view FR notice |
Birmingham | Maintenance (NAAQS revoked) | 04/05/2005 | Former Subpart 1 | 857,680 | 2017-2019 | 10.0 | Yes | 6 / 1 | 07/29/2011 76 FR 38023 |
05/02/2011 | 02/21/2013 78 FR 4341 |
Chattanooga | Maintenance (NAAQS revoked) | 04/05/2005 | Moderate | 1,760 | 2017-2019 | 8.8 | Yes | 6 / 4 | 10/11/2011 76 FR 55774 |
04/23/2013 | 12/22/2014 79 FR 76235 |
Alabama PM-2.5 (2006) Areas Return to map Area designated nonattainment for the 24-hour standard Top of page |
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Click on the Area name to view SIP Required Elements Area |
Status | Designation Date |
Classification | 2010 Population (state portion) |
Meets NAAQS Basis |
Design Value 24-Hr (µg/m3) (entire area) |
Meets NAAQS |
SIP Requirements Original/ Approved |
Clean Air Determination Citation Effective Date Click to view FR notice |
Redesignation Request Date |
Redesignation Citation Effective Date Click to view FR notice |
Birmingham | Maintenance | 12/14/2009 | Former Subpart 1 | 857,680 | 2017-2019 | 21 | Yes | 6 / 1 | 10/20/2010 75 FR 57186 |
06/17/2010 | 02/25/2013 78 FR 5306 |
Alabama PM-2.5 (2012) Areas Return to map Top of page |
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No designated areas for this pollutant. | |||||||||||
Alabama SO2 (1971) Areas Return to map Top of page |
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Click on the Area name to view SIP Required Elements Area |
Status | Designation Date |
Classification | 2010 Population (state portion) |
Meets NAAQS Basis |
Design Value Annual/24-Hr (ppb) (entire area) |
Meets NAAQS |
SIP Requirements Original/ Approved |
Clean Air Determination Citation Effective Date Click to view FR notice |
Redesignation Request Date |
Redesignation Citation Effective Date Click to view FR notice |
Colbert County (part); TVA Colbert Plant | Maintenance | 03/03/1978 | 54,429 | / | 0 / 0 | |
04/08/1992 | 03/15/1993 58 FR 3848 |
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Lauderdale County (part); TVA Colbert Plant | Maintenance | 03/03/1978 | 92,707 | / | 0 / 0 | |
04/08/1992 | 03/15/1993 58 FR 3848 |
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Alabama SO2 (2010) Areas Return to map Top of page |
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No designated areas for this pollutant. |
We have made our best effort to ensure that the data contained in these reports is accurate. We note that there may be brief delays in
updating the reports as we receive new state submissions and we take rulemaking action on plans. In order to assist us in providing
accurate information, we request that you contact us by clicking on the "Contact Us" link near the top of this page with any comments
regarding or corrections to the posted information, including concerns about whether the entries reflect the most recent status. Current and historical design value data can be found on the EPA Air Quality Design Values website and the EPA Green Book contains comprehensive nonattainment area, designation status, and historical information. The level of the 1-hour NAAQS for sulfur dioxide is 75 parts per billion (ppb) calculated as the 3-year average of the 99th percentile of the annual distribution of daily maximum 1-hour average concentrations. |