SIP Status Reports

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Status of Rhode Island Designated Areas

Rhode Island Areas by NAAQS
NOTE: As of 03/12/2021, these reports are no longer being updated. For the latest information, see the SIP Status Tools.

Jump to Rhode Island 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)

Rhode Island CO (1971) Areas Return to map
No designated areas for this pollutant.
Rhode Island Lead (1978) Areas Return to map Top of page
No designated areas for this pollutant.
Rhode Island Lead (2008) Areas Return to map Top of page
No designated areas for this pollutant.
Rhode Island NO2 (1971) Areas Return to map Top of page
No designated areas for this pollutant.
Rhode Island 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
Providence (all of RI) Area	Nonattainment (NAAQS revoked)	11/15/1990	Serious	1,052,567	2017-2019	0.094	Yes	26 / 26
OTR 1990								5 / 5
OTR								13 / 13
Rhode Island 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
Providence (all of RI) Area	Nonattainment (NAAQS revoked)	06/15/2004	Subpart 2/Moderate	1,052,567	2017-2019	0.073	Yes	53 / 51	11/22/2010 75 FR 64949
OTR								46 / 46
Rhode Island 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 (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
OTR								47 / 47
Rhode Island Ozone-8Hr (2015) 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
OTR								46 / 46
Rhode Island PM-10 (1987) Areas Return to map Top of page
No designated areas for this pollutant.
Rhode Island PM-2.5 (1997) Areas Return to map Top of page
No designated areas for this pollutant.
Rhode Island PM-2.5 (2006) Areas Return to map Top of page
No designated areas for this pollutant.
Rhode Island PM-2.5 (2012) Areas Return to map Top of page
No designated areas for this pollutant.
Rhode Island SO2 (1971) Areas Return to map Top of page
No designated areas for this pollutant.
Rhode Island 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.