SIP Status Reports

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Status of Alaska Designated Areas

Alaska Areas by NAAQS
As of 12/17/2017

Jump to Alaska 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)


Alaska 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
Anchorage Area Maintenance 11/15/1990 Serious 286,227 2016 3 Yes 7 / 7 07/23/2004
69 FR 34935
02/18/2004 07/23/2004
69 FR 34935
Fairbanks Area Maintenance 11/15/1990 Serious 46,211 2016 2 Yes 6 / 6 09/27/2004
69 FR 44601
06/21/2004 09/27/2004
69 FR 44601

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

No designated areas for this pollutant.

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

No designated areas for this pollutant.

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

No designated areas for this pollutant.

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

No designated areas for this pollutant.

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

No designated areas for this pollutant.

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

No designated areas for this pollutant.

Alaska 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
Anchorage; Eagle River Maintenance 11/15/1990 Moderate 219,193 2014-2016   Yes 3 / 3 12/20/2010
75 FR 64162
09/29/2010 03/08/2013
78 FR 900
Juneau; Mendenhall Valley area Maintenance 11/15/1990 Moderate 14,030 2014-2016   Insufficient Data 3 / 3 09/14/2010
75 FR 41379
05/14/2009 07/08/2013
78 FR 27071

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

No designated areas for this pollutant.

Alaska 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
Fairbanks Nonattainment 12/14/2009 Serious 87,456 2014-2016 106 No 14 / 7  
 
   

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

No designated areas for this pollutant.

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

No designated areas for this pollutant.

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

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.