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Status of Arizona Designated Areas

Arizona Areas by NAAQS
As of 12/10/2017

Jump to Arizona section for: CO (1971) Lead (1978) Lead (2008) NO2 (1971) Ozone-1Hr (1979) Ozone-8Hr (1997) Ozone-8Hr (2008) PM-10 (1987) PM-2.5 (1997) PM-2.5 (2006) PM-2.5 (2012) SO2 (1971) SO2 (2010)


Arizona CO (1971) Areas    Return to map
 
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
Phoenix Area Maintenance 11/15/1990 Serious 3,763,324 2016 2.4 Yes 6 / 5 04/08/2005
70 FR 11553
06/16/2003 04/08/2005
70 FR 11553
Tucson Area Maintenance 11/15/1990 Not Classified 595,314 2016 1.2 Yes 1 / 1 07/10/2000
65 FR 36353
10/06/1997 07/10/2000
65 FR 36353

Arizona Lead (1978) Areas     Return to map Top of page

No designated areas for this pollutant.

Arizona Lead (2008) Areas    Return to map     Top of page

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
Hayden Nonattainment 10/03/2014   4,630 2014-2016 0.22 No 6 / 0  
 
   

Arizona NO2 (1971) Areas     Return to map Top of page

No designated areas for this pollutant.

Arizona Ozone-1Hr (1979) Areas    Return to map     Top of page

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
Phoenix Area Maintenance (NAAQS revoked) 11/15/1990 Serious 3,763,324 2014-2016 0.098 Yes 22 / 22 06/14/2005
70 FR 34362
04/21/2004 06/14/2005
70 FR 34362

Arizona Ozone-8Hr (1997) Areas    Return to map     Top of page

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
Phoenix-Mesa Maintenance (NAAQS revoked) 06/15/2004 Subpart 2/Marginal 3,848,627 2014-2016 0.077 Yes 3 / 0 10/17/2014
79 FR 55645
03/23/2009 10/17/2014
79 FR 55645

Arizona Ozone-8Hr (2008) Areas    Return to map     Top of page

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
Phoenix-Mesa Nonattainment 07/20/2012 Moderate 3,849,627 2014-2016 0.077 No 55 / 3  
 
   

Arizona PM-10 (1987) Areas    Return to map     Top of page

Click on the Area name
to view SIP Required Elements


Area
Status Designation
Date
Classification 2010
Population
(state portion)
Meets NAAQS
Basis
Design Value
(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
Cochise County; Paul Spur/Douglas planning area Nonattainment 11/15/1990 Moderate 17,495 2014-2016   No 3 / 0 02/10/2011
76 FR 1532
   
Gila County (part): Payson Maintenance 01/20/1994 Moderate 5,333 2014-2016   Yes 3 / 3 08/26/2002
67 FR 43013
  08/26/2002
67 FR 43013
Hayden Nonattainment 11/15/1990 Moderate 11,048 2014-2016   Yes 3 / 0 02/10/2011
76 FR 1532
   
Maricopa and Pinal Counties; Phoenix planning area Nonattainment 11/15/1990 Serious 3,852,985 2014-2016   No 4 / 4  
 
   
Miami Nonattainment 11/15/1990 Moderate 15,218 2014-2016   Insufficient Data 3 / 2 05/29/2007
72 FR 14422
07/25/2008  
Mohave County (part); Bullhead City Maintenance 01/20/1994 Moderate 10,710 2014-2016   Yes 3 / 3 08/26/2002
67 FR 43020
02/07/2002 08/26/2002
67 FR 43020
Pima County; Ajo planning area Nonattainment 11/15/1990 Moderate 8,823 2014-2016   Yes 3 / 2 04/10/2006
71 FR 6352
   
Pima County; Rillito planning area Nonattainment 11/15/1990 Moderate 588 2014-2016   Yes 3 / 2 10/10/2006
71 FR 44920
06/20/2008  
Pinal County (part); West Pinal Nonattainment 07/02/2012 Moderate 283,032 2014-2016   No 3 / 0  
 
   
Santa Cruz County; Nogales planning area Nonattainment 11/15/1990 Moderate 30,359 2014-2016   Insufficient Data 3 / 1 02/10/2011
76 FR 1532
   
Yuma County; Yuma planning area Nonattainment 11/15/1990 Moderate 100,710 2014-2016   No 3 / 0 05/15/2006
71 FR 13021
   

Arizona PM-2.5 (1997) Areas     Return to map Top of page

No designated areas for this pollutant.

Arizona PM-2.5 (2006) Areas    Return to map
Area designated nonattainment for the 24-hour standard     Top of page

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
Nogales Nonattainment 12/14/2009 Moderate 30,622 2014-2016 27 Yes 7 / 0 06/09/2017
82 FR 21711
   
West Central Pinal Nonattainment 03/07/2011 Moderate 52,314 2014-2016 31 Yes 7 / 0 10/04/2013
78 FR 54394
   

Arizona PM-2.5 (2012) Areas     Return to map Top of page

No designated areas for this pollutant.

Arizona SO2 (1971) Areas    Return to map     Top of page

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
Ajo Maintenance 11/15/1990   8,823 2016   /   No Data 1 / 1 01/02/2004
68 FR 62239
06/18/2002 01/02/2004
68 FR 62239
Douglas Maintenance 11/15/1990   17,495 2016   /   No Data 1 / 1 05/01/2006
71 FR 9941
12/18/2001 05/01/2006
71 FR 9941
Hayden Nonattainment 11/15/1990   4,844 2016 10 / 55 Yes 1 / 0  
 
06/27/2002  
Miami Maintenance 11/15/1990   1,514 2016 4 / 22 Yes 1 / 1 03/26/2007
72 FR 3061
06/26/2002 03/26/2007
72 FR 3061
Morenci Maintenance 11/15/1990   8,437 2016   /   No Data 1 / 1 06/25/2004
69 FR 22447
06/21/2002 06/25/2004
69 FR 22447
San Manuel Maintenance 11/15/1990   16,158 2016   /   No Data 1 / 1 03/18/2008
73 FR 3396
06/07/2007 03/18/2008
73 FR 3396

Arizona SO2 (2010) Areas    Return to map     Top of page

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
Hayden Nonattainment 10/04/2013   4,630 2014-2016 280 No 6 / 0  
 
   
Miami Nonattainment 10/04/2013   14,995 2014-2016 200 No 6 / 0  
 
   
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.