SIP Status Reports
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Status of Pennsylvania Designated Areas
Status of Pennsylvania Designated Areas
Pennsylvania Areas by NAAQSNOTE: As of 03/12/2021, these reports are no longer being updated.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 Pennsylvania 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)
Pennsylvania CO (1971) Areas Return to map |
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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 |
Philadelphia-Camden County Area | Maintenance | 11/15/1990 | Moderate <= 12.7ppm | 673,750 | 2019 | 1.7 | Yes | 4 / 4 | |
09/08/1995 | 03/15/1996 61 FR 2926 |
Pittsburgh Area | Maintenance | 11/15/1990 | Not Classified | 320,395 | 2019 | 1.4 | Yes | 1 / 1 | |
08/17/2001 | 01/13/2003 67 FR 68521 |
Pennsylvania Lead (1978) Areas Return to map Top of page |
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No designated areas for this pollutant. | |||||||||||
Pennsylvania 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 |
Lower Beaver Valley | Nonattainment | 12/31/2010 | 17,654 | 2017-2019 | 0.01 | Yes | 6 / 6 | |
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Lyons | Nonattainment | 12/31/2010 | 19,480 | 2017-2019 | 0.03 | Yes | 6 / 2 | 01/28/2015 79 FR 77911 |
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North Reading | Nonattainment | 12/31/2010 | 29,334 | 2017-2019 | 0.05 | Yes | 6 / 6 | |
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Pennsylvania NO2 (1971) Areas Return to map Top of page |
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No designated areas for this pollutant. | |||||||||||
Pennsylvania 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 |
Allentown-Bethlehem-Easton Area | Nonattainment (NAAQS revoked) | 11/15/1990 | Marginal | 712,481 | 2017-2019 | 0.081 | Yes | 8 / 8 | 03/20/1995 60 FR 3349 |
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Altoona Area | Nonattainment (NAAQS revoked) | 01/06/1992 | Marginal | 127,089 | 2017-2019 | 0.072 | Yes | 9 / 9 | 03/20/1995 60 FR 3349 |
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Erie Area | Nonattainment (NAAQS revoked) | 11/15/1990 | Marginal | 280,566 | 2017-2019 | 0.072 | Yes | 8 / 8 | 03/20/1995 60 FR 3349 |
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Harrisburg-Lebanon-Carlisle Area | Nonattainment (NAAQS revoked) | 11/15/1990 | Marginal | 683,043 | 2017-2019 | 0.076 | Yes | 8 / 8 | 03/20/1995 60 FR 3349 |
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Johnstown Area | Nonattainment (NAAQS revoked) | 01/06/1992 | Marginal | 221,421 | 2017-2019 | 0.072 | Yes | 9 / 9 | 03/20/1995 60 FR 3349 |
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Lancaster Area | Nonattainment (NAAQS revoked) | 11/15/1990 | Marginal | 519,445 | 2017-2019 | 0.082 | Yes | 8 / 8 | 03/20/1995 60 FR 3349 |
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Philadelphia-Wilmington-Trenton Area | Nonattainment (NAAQS revoked) | 11/15/1990 | Severe-15 | 4,008,994 | 2017-2019 | 0.102 | Yes | 29 / 28 | 08/25/2008 73 FR 43360 |
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Pittsburgh-Beaver Valley Area | Maintenance (NAAQS revoked) | 11/15/1990 | Moderate | 2,356,285 | 2017-2019 | 0.083 | Yes | 24 / 24 | |
04/09/2001 | 11/19/2001 66 FR 53094 |
Reading Area | Maintenance (NAAQS revoked) | 11/15/1990 | Moderate | 411,442 | 2017-2019 | 0.086 | Yes | 24 / 24 | |
01/28/1997 | 06/06/1997 62 FR 24826 |
Scranton-Wilkes-Barre Area | Nonattainment (NAAQS revoked) | 11/15/1990 | Marginal | 800,768 | 2017-2019 | 0.074 | Yes | 8 / 8 | 03/20/1995 60 FR 3349 |
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York Area | Nonattainment (NAAQS revoked) | 11/15/1990 | Marginal | 536,379 | 2017-2019 | 0.076 | Yes | 8 / 8 | 03/20/1995 60 FR 3349 |
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Youngstown-Warren-Sharon Area | Nonattainment (NAAQS revoked) | 11/15/1990 | Marginal | 116,638 | 2017-2019 | 0.078 | Yes | 9 / 9 | 03/20/1995 60 FR 3349 |
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OTR 1990 | 5 / 5 | |
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OTR | 13 / 13 | |
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Pennsylvania 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 |
Allentown-Bethlehem-Easton Area | Maintenance (NAAQS revoked) | 06/15/2004 | Former Subpart 1 | 712,481 | 2017-2019 | 0.069 | Yes | 4 / 0 | |
06/26/2007 | 04/03/2008 73 FR 11557 |
Altoona Area | Maintenance (NAAQS revoked) | 06/15/2004 | Former Subpart 1 | 127,089 | 2017-2019 | 0.063 | Yes | 4 / 0 | |
02/08/2007 | 08/01/2007 72 FR 41906 |
Clearfield and Indiana Counties Area | Maintenance (NAAQS revoked) | 06/15/2004 | Former Subpart 1 | 170,522 | 2017-2019 | 0.067 | Yes | 4 / 0 | |
06/14/2007 | 04/20/2009 74 FR 11674 |
Erie Area | Maintenance (NAAQS revoked) | 06/15/2004 | Former Subpart 1 | 280,566 | 2017-2019 | 0.062 | Yes | 4 / 0 | |
04/24/2007 | 11/08/2007 72 FR 57207 |
Franklin County Area | Maintenance (NAAQS revoked) | 06/15/2004 | Former Subpart 1 | 149,618 | 2017-2019 | 0.059 | Yes | 4 / 0 | |
12/14/2006 | 07/25/2007 72 FR 40746 |
Greene County Area | Maintenance (NAAQS revoked) | 06/15/2004 | Former Subpart 1 | 38,686 | 2017-2019 | Insufficient Data | 4 / 0 | |
01/25/2007 | 04/20/2009 74 FR 11671 |
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Harrisburg-Lebanon-Carlisle Area | Maintenance (NAAQS revoked) | 06/15/2004 | Former Subpart 1 | 683,043 | 2017-2019 | 0.066 | Yes | 4 / 0 | |
03/27/2007 | 07/25/2007 72 FR 40749 |
Johnstown Area | Maintenance (NAAQS revoked) | 06/15/2004 | Former Subpart 1 | 143,679 | 2017-2019 | 0.058 | Yes | 4 / 0 | |
03/27/2007 | 08/01/2007 72 FR 41903 |
Lancaster Area | Maintenance (NAAQS revoked) | 06/15/2004 | Subpart 2/Marginal | 519,445 | 2017-2019 | 0.067 | Yes | 3 / 1 | |
08/01/2006 | 07/06/2007 72 FR 36889 |
Philadelphia-Wilmington-Atlantic City Area | Nonattainment (NAAQS revoked) | 06/15/2004 | Subpart 2/Moderate | 4,008,994 | 2017-2019 | 0.076 | Yes | 53 / 48 | 04/25/2012 77 FR 17341 |
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Pittsburgh-Beaver Valley | Nonattainment (NAAQS revoked) | 06/15/2004 | Subpart 2/Moderate | 2,356,285 | 2017-2019 | 0.068 | Yes | 53 / 48 | 05/06/2013 78 FR 20244 |
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Reading Area | Maintenance (NAAQS revoked) | 06/15/2004 | Former Subpart 1 | 411,442 | 2017-2019 | 0.069 | Yes | 4 / 0 | |
01/25/2007 | 09/10/2007 72 FR 48559 |
Scranton-Wilkes-Barre Area | Maintenance (NAAQS revoked) | 06/15/2004 | Former Subpart 1 | 733,473 | 2017-2019 | 0.065 | Yes | 4 / 0 | |
06/12/2007 | 12/19/2007 72 FR 64948 |
State College Area | Maintenance (NAAQS revoked) | 06/15/2004 | Former Subpart 1 | 153,990 | 2017-2019 | 0.062 | Yes | 4 / 0 | |
06/12/2007 | 12/14/2007 72 FR 63990 |
Tioga County Area | Maintenance (NAAQS revoked) | 06/15/2004 | Former Subpart 1 | 41,981 | 2017-2019 | 0.060 | Yes | 4 / 0 | |
09/01/2006 | 07/06/2007 72 FR 36892 |
York Area | Maintenance (NAAQS revoked) | 06/15/2004 | Former Subpart 1 | 536,379 | 2017-2019 | 0.064 | Yes | 4 / 0 | |
06/14/2007 | 02/13/2008 73 FR 2163 |
Youngstown-Warren-Sharon Area | Maintenance (NAAQS revoked) | 06/15/2004 | Former Subpart 1 | 116,638 | 2017-2019 | 0.067 | Yes | 4 / 0 | |
03/27/2007 | 11/19/2007 72 FR 59213 |
OTR | 46 / 41 | |
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Pennsylvania Ozone-8Hr (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 (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 |
Allentown-Bethlehem-Easton | Nonattainment | 07/20/2012 | Marginal | 712,481 | 2017-2019 | 0.069 | Yes | 3 / 2 | 06/03/2016 81 FR 26697 |
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Lancaster | Nonattainment | 07/20/2012 | Marginal | 519,445 | 2017-2019 | 0.067 | Yes | 3 / 2 | 06/03/2016 81 FR 26697 |
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Philadelphia-Wilmington-Atlantic City | Nonattainment | 07/20/2012 | Marginal | 4,008,994 | 2017-2019 | 0.076 | No | 3 / 3 | 12/04/2017 82 FR 50814 |
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Pittsburgh-Beaver Valley | Nonattainment | 07/20/2012 | Marginal | 2,356,285 | 2017-2019 | 0.068 | Yes | 3 / 2 | 01/05/2017 81 FR 87819 |
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Reading | Nonattainment | 07/20/2012 | Marginal | 411,442 | 2017-2019 | 0.069 | Yes | 3 / 2 | 06/03/2016 81 FR 26697 |
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OTR | 47 / 4 | |
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Pennsylvania Ozone-8Hr (2015) 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 |
Philadelphia-Wilmington-Atlantic City | Nonattainment | 08/03/2018 | Marginal | 4,008,994 | 2017-2019 | 0.076 | No | 3 / 0 | |
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OTR | 46 / 0 | |
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Pennsylvania PM-10 (1987) 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 |
Average Estimated Exceedances (est. exc.) (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 |
Allegheny County; The area including Liberty, Lincoln, Port Vue, and Glassport Boroughs and the City of Clairton | Maintenance | 11/15/1990 | Moderate | 18,700 | 2017-2019 | 0.0 | Yes | 3 / 3 | |
10/28/2002 | 10/14/2003 68 FR 53515 |
Pennsylvania 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 |
Harrisburg-Lebanon-Carlisle | Maintenance (NAAQS revoked) | 04/05/2005 | Moderate | 637,074 | 2017-2019 | 9.0 | Yes | 5 / 2 | 09/27/2011 76 FR 45424 |
04/24/2014 | 12/08/2014 79 FR 72552 |
Johnstown | Maintenance (NAAQS revoked) | 04/05/2005 | Moderate | 156,923 | 2017-2019 | 9.7 | Yes | 5 / 2 | 09/27/2011 76 FR 45424 |
12/04/2014 | 07/16/2015 80 FR 42046 |
Lancaster | Maintenance (NAAQS revoked) | 04/05/2005 | Moderate | 519,445 | 2017-2019 | 9.6 | Yes | 5 / 2 | 09/27/2011 76 FR 45424 |
04/30/2014 | 07/16/2015 80 FR 42050 |
Liberty-Clairton | Nonattainment | 04/05/2005 | Moderate | 20,789 | 2017-2019 | 12.4 | Yes | 8 / 2 | 11/25/2013 78 FR 63881 |
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Philadelphia-Wilmington | Maintenance (NAAQS revoked) | 04/05/2005 | Moderate | 4,008,994 | 2017-2019 | 10.7 | Yes | 6 / 5 | 06/15/2012 77 FR 28782 |
09/05/2014 | 04/21/2015 80 FR 22112 |
Pittsburgh-Beaver Valley | Maintenance (NAAQS revoked) | 04/05/2005 | Moderate | 2,142,981 | 2017-2019 | 10.6 | Yes | 6 / 2 | 10/12/2012 77 FR 62147 |
12/22/2014 | 10/02/2015 80 FR 59624 |
Reading | Maintenance (NAAQS revoked) | 04/05/2005 | Moderate | 411,442 | 2017-2019 | 8.4 | Yes | 5 / 2 | 09/27/2011 76 FR 45424 |
12/04/2013 | 03/04/2015 80 FR 11580 |
York | Maintenance (NAAQS revoked) | 04/05/2005 | Moderate | 434,972 | 2017-2019 | 9.1 | Yes | 5 / 2 | 09/27/2011 76 FR 45424 |
04/24/2014 | 12/08/2014 79 FR 72552 |
Pennsylvania 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 |
Allentown | Maintenance | 12/14/2009 | Moderate | 647,232 | 2017-2019 | 24 | Yes | 6 / 2 | 04/30/2012 77 FR 18922 |
09/05/2014 | 04/13/2015 80 FR 19548 |
Harrisburg-Lebanon-Carlisle-York | Maintenance | 12/14/2009 | Moderate | 1,072,046 | 2017-2019 | 26 | Yes | 6 / 2 | 04/30/2012 77 FR 18922 |
04/24/2014 | 12/08/2014 79 FR 72552 |
Johnstown | Maintenance | 12/14/2009 | Moderate | 156,923 | 2017-2019 | 22 | Yes | 6 / 2 | 04/30/2012 77 FR 18922 |
12/04/2014 | 07/16/2015 80 FR 42046 |
Lancaster | Maintenance | 12/14/2009 | Moderate | 519,445 | 2017-2019 | 26 | Yes | 6 / 2 | 04/30/2012 77 FR 18922 |
04/30/2014 | 07/16/2015 80 FR 42050 |
Liberty-Clairton | Nonattainment | 12/14/2009 | Moderate | 20,789 | 2017-2019 | 35 | Yes | 8 / 2 | 06/09/2017 82 FR 21711 |
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Philadelphia-Wilmington | Maintenance | 12/14/2009 | Moderate | 4,008,994 | 2017-2019 | 27 | Yes | 6 / 2 | 01/07/2013 78 FR 882 |
09/05/2014 | 04/21/2015 80 FR 22112 |
Pittsburgh-Beaver Valley | Maintenance | 12/14/2009 | Moderate | 2,142,981 | 2017-2019 | 24 | Yes | 6 / 2 | 05/02/2014 79 FR 25014 |
12/22/2014 | 10/02/2015 80 FR 59624 |
Pennsylvania PM-2.5 (2012) 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 |
Allegheny County | Nonattainment | 04/15/2015 | Moderate | 1,223,348 | 2017-2019 | 12.4 | No | 7 / 0 | |
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Delaware County | Maintenance | 04/15/2015 | Moderate | 558,979 | 2017-2019 | 10.7 | Yes | 7 / 1 | 03/21/2017 81 FR 89868 |
01/28/2019 | 10/30/2019 84 FR 51420 |
Lebanon County | Maintenance | 04/15/2015 | Moderate | 133,568 | 2017-2019 | 9.0 | Yes | 7 / 1 | 04/05/2018 83 FR 9435 |
02/11/2019 | 10/30/2019 84 FR 51420 |
Pennsylvania 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 |
Allegheny County Air Basin: Hazelwood monitor | Maintenance | 09/12/1978 | 387,190 | / | 0 / 0 | |
08/20/2004 69 FR 43522 |
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Armstrong County: Madison Twp, Mahoning Twp, Boggs Twp, Washington Twp, Pine Twp | Nonattainment | 11/15/1990 | 4,516 | / | 0 / 0 | |
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Warren County: Conewago Twp | Maintenance | 11/15/1990 | 3,594 | / | 1 / 1 | |
08/02/2004 69 FR 39860 |
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Warren County: Warren Boro, Pleasant Twp, Glade Twp | Maintenance | 01/20/1994 | 15,781 | / | 1 / 1 | |
08/02/2004 69 FR 39860 |
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Pennsylvania SO2 (2010) 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 |
3 Year 1-Hour Design Value (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 |
Allegheny | Nonattainment | 10/04/2013 | 126,934 | 2017-2019 | 109 | No | 6 / 6 | |
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Beaver | Nonattainment | 10/04/2013 | 14,780 | 2017-2019 | 17 | Yes | 6 / 6 | |
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Indiana | Nonattainment | 10/04/2013 | 92,778 | 2017-2019 | 26 | Yes | 6 / 6 | |
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Warren | Nonattainment | 10/04/2013 | 18,056 | 2017-2019 | 42 | Yes | 6 / 6 | |
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. |