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Sulfur Dioxide (1971) Designated Area/State Information with Design Values
Sulfur Dioxide (1971) Designated Area/State Information with Design Values
Data is current as of May 31, 2025Design Values in ppb. "Current Design Values" are current as of the posted Green Book date. Check the Air Quality Design Value site for design value updates.
| Click underlined column heading to change report order | Current Design Values as of 06/08/2020 (2019) |
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| Area Name | State | Current Status | Current Designation or at Redesignation |
Annual Design Values |
24-Hour Design Values |
Meets NAAQS Determin.1 |
No. Ctys |
2010 Population |
EPA Region |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| click area name for state/county list | |||||||||||||
Total Areas |
Total Ctys |
Total Population (2010) |
|||||||||||
| Nonattainment | 7 | 6 | 1,105,758 | ||||||||||
| Maintenance | 47 | 50 | 9,135,862 | ||||||||||
| Nonattainment and Maintenance | 54 | 55 | 10,241,620 | ||||||||||
| Ajo (Pima County), AZ | AZ | Maintenance | Primary | 1 | 8,823 | 09 | |||||||
| Allegheny County Air Basin: Hazelwood monitor, PA | PA | Maintenance | Primary | 1 | 387,190 | 03 | |||||||
| Armstrong County: Madison, Mahoning, Boggs, Washington, Pine, PA | PA | Nonattainment | Primary | 1 | 4,516 | 03 | |||||||
| Benton County; (part) TVA Johnsonville, TN | TN | Maintenance | Primary, Secondary | 1 | 16,489 | 04 | |||||||
| Boyd County (part), KY | KY | Maintenance | Primary | 1 | 49,543 | 04 | |||||||
| Brown County: Green Bay, WI | WI | Maintenance | Primary | 1 | 248,004 | 05 | |||||||
| Central Steptoe Valley, NV | NV | Maintenance | Primary | 1 | 2,165 | 09 | |||||||
| Colbert County (part); TVA Colbert Plant, AL | AL | Maintenance | Secondary | 1 | 54,429 | 04 | |||||||
| Coshocton County; Franklin Township, OH | OH | Maintenance | Primary | 1 | 1,229 | 05 | |||||||
| Cuyahoga County, OH | OH | Maintenance | Primary | 1 | 996,159 | 05 | |||||||
| Dane County: Madison sub-city area, WI | WI | Maintenance | Primary | 1 | 488,074 | 05 | |||||||
| Douglas (Cochise County), AZ | AZ | Maintenance | Primary | 1 | 17,495 | 09 | |||||||
| East Helena Area, MT | MT | Maintenance | Primary, Secondary | 1 | 2,669 | 08 | |||||||
| Gallia County; Addison Township, OH | OH | Maintenance | Secondary | 1 | 2,197 | 05 | |||||||
| Grant County, NM | NM | Maintenance | Primary | 1 | 29,514 | 06 | |||||||
| Hancock County (part): Weirton, WV | WV | Maintenance | Primary, Secondary | 1 | 15,801 | 03 | |||||||
| Hayden (Pinal County), AZ | AZ | Nonattainment | Primary | 5 | 33 | Yes | 1 | 4,844 | 09 | ||||
| Humphreys County; (part) TVA Johnsonville, TN | TN | Maintenance | Primary, Secondary | 1 | 18,539 | 04 | |||||||
| Jefferson County; (part) Steubenville & Mingo Junction, OH | OH | Maintenance | Primary | 1 | 69,712 | 05 | |||||||
| La Porte County, IN | IN | Maintenance | Primary | 1 | 111,471 | 05 | |||||||
| Lake County, IN | IN | Maintenance | Primary | 1 | 496,000 | 05 | |||||||
| Lake County; (part) Eastlake, Timberlake, Lakeline, Willoughby, Ment | OH | Maintenance | Primary | 1 | 229,760 | 05 | |||||||
| Lauderdale County (part); TVA Colbert Plant, AL | AL | Maintenance | Secondary | 1 | 92,707 | 04 | |||||||
| Laurel Area (Yellowstone County), MT | MT | Nonattainment | Primary | 1 | 6,525 | 08 | |||||||
| Lorain County, OH | OH | Maintenance | Primary | 1 | 301,074 | 05 | |||||||
| Lucas County, OH | OH | Maintenance | Primary | 1 | 441,812 | 05 | |||||||
| Marathon County: Rothschild Sub-city area, Rib Mountain, Weston, WI | WI | Maintenance | Primary, Secondary | 1 | 134,064 | 05 | |||||||
| Marion County: Lawrence, Washington, and Warrant Townships, IN | IN | Maintenance | Primary | 1 | 349,929 | 05 | |||||||
| Miami (Gila County), AZ | AZ | Maintenance | Primary | 1 | 1,514 | 09 | |||||||
| Millinocket AQCR 109, ME | ME | Maintenance | Primary | 1 | 5,526 | 01 | |||||||
| Milwaukee, WI | WI | Maintenance | Primary | 1 | 947,779 | 05 | |||||||
| Minneapolis-St. Paul, MN | MN | Maintenance | Primary | 7 | 2,849,567 | 05 | |||||||
| Morenci (Greenlee County), AZ | AZ | Maintenance | Primary | 1 | 8,437 | 09 | |||||||
| Morgan County: Center Township, OH | OH | Maintenance | Secondary | 1 | 15,053 | 05 | |||||||
| Muhlenberg County, KY | KY | Maintenance | Secondary | 1 | 31,499 | 04 | |||||||
| Muscatine County, IA | IA | Maintenance | Primary | 1 | 24,633 | 07 | |||||||
| New Manchester-Grant magisterial district in Hancock County, WV | WV | Maintenance | Primary | 1 | 8,706 | 03 | |||||||
| Olmsted County; City of Rochester, MN | MN | Maintenance | Primary | 1 | 106,769 | 05 | |||||||
| Oneida County: Rhinelander Sub-city area, WI | WI | Maintenance | Primary, Secondary | 1 | 35,996 | 05 | |||||||
| Peoria County: Hollis twp, IL | IL | Maintenance | Primary, Secondary | 1 | 2,032 | 05 | |||||||
| Peoria, IL | IL | Maintenance | Primary | 1 | 127,507 | 05 | |||||||
| Piti, GU | GU | Nonattainment | Primary | 1 | 1,000 | 09 | |||||||
| Polk County, TN | TN | Maintenance | Primary, Secondary | 1 | 16,825 | 04 | |||||||
| Salt Lake County, UT | UT | Nonattainment | Primary, Secondary | 1 | 2 | Yes | 1 | 1,029,655 | 08 | ||||
| San Manual (Pinal County), AZ | AZ | Maintenance | Primary | 1 | 16,158 | 09 | |||||||
| Tanguisson, GU | GU | Nonattainment | Primary | 1 | 1,000 | 09 | |||||||
| Tazewell County: Groveland twp, IL | IL | Maintenance | Primary | 1 | 22,991 | 05 | |||||||
| Tooele County, UT | UT | Nonattainment | Primary, Secondary | 1 | 58,218 | 08 | |||||||
| Vigo County, IN | IN | Maintenance | Primary | 1 | 107,848 | 05 | |||||||
| Warren County, NJ | NJ | Maintenance | Primary, Secondary | 1 | 108,696 | 02 | |||||||
| Warren County: Conewago Twp, PA | PA | Maintenance | Primary | 1 | 3,594 | 03 | |||||||
| Warren County: Warren Boro, Pleasant Twp, Glade Twp, PA | PA | Maintenance | Primary, Secondary | 1 | 15,781 | 03 | |||||||
| Washington County: Waterford Township, OH | OH | Maintenance | Secondary | 1 | 61,777 | 05 | |||||||
| Wayne County: Boston, Center, Franklin, Wayne & Webster Townships, I | IN | Maintenance | Primary | 1 | 52,325 | 05 | |||||||
1 See the Air Quality Design Value site spreadsheet footnotes for information about "Insufficient Data" Meets NAAQS Determinations.
Design Values in ppb. "Current Design Values" are current as of the posted Green Book date. Check the Air Quality Design Value site for design value updates.
County subtotals and grand totals may not equal sum of the counties. Part counties are only counted one time within groupings. Multi-state nonattainment areas are counted in totals as maintenance areas when all states in the area have been redesignated. Multi-state areas are counted only once in area totals.
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