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Best and Worst Cities
Metropolitan Areas Most Polluted by Short-term Particle Pollution (24-Hour PM2.5)
| 2005 Rank1
| Metropolitan Area
|
| 1
| Los Angeles-Long Beach-Riverside, CA
|
| 2
| Fresno-Madera,CA
|
| 3
| Bakersfield,CA
|
| 4
| Pittsburgh-New Castle,PA
|
| 5
| Eugene-Springfield,OR
|
| 6
| Salt Lake City-Ogden-Clearfield,UT
|
| 7
| Sacramento-Arden-Arcade-Truckee,CA-NV
|
| 8
| Cleveland-Akron-Elyria,OH
|
| 9
| Visalia-Porterville,CA
|
| 10
| Birmingham-Hoover-Cullman,AL
|
| 11
| Detroit-Warren-Flint,MI
|
| 12
| Washington-Baltimore-Northern Virginia,DC-MD-VA-WV
|
| 13
| Louisville-Elizabethtown-Scottsburg,KY-IN
|
| 13
| Chicago-Naperville-Michigan City,IL-IN-WI
|
| 15
| Provo-Orem,UT
|
| 15
| Hanford-Corcoran,CA
|
| 17
| Weirton-Steubenville,WV-OH
|
| 18
| Cincinnati-Middletown-Wilmington,OH-KY-IN
|
| 19
| Modesto,CA
|
| 20
| Philadelphia-Camden-Vineland,PA-NJ-DE-MD
|
| 20
| San Diego-Carlsbad-San Marcos,CA
|
| 22
| Allentown-Bethlehem-Easton, PA-NJ
|
| 23
| San Jose-San Francisco-Oakland,CA
|
| 24
| Harrisburg-Carlisle-Lebanon,PA
|
| 25
| New York-Newark-Bridgeport,NY-NJ-CT-PA |
(1) Cities are ranked by using the highest weighted average for any county within that metropolitan area.
Metropolitan Areas Most Polluted by Year-Round Particle Pollution (Annual PM2.5)
| 2005 Rank1
| Metropolitan Statistical Areas
|
| 1
| Los Angeles-Long Beach-Riverside, CA
|
| 2
| Bakersfield,CA
|
| 3
| Visalia-Porterville,CA
|
| 4
| Pittsburgh-New Castle, PA
|
| 5
| Fresno-Madera,CA
|
| 6
| Detroit-Warren-Flint,MI
|
| 7
| Hanford-Corcoran, CA
|
| 8
| Cleveland-Akron-Elyria, OH
|
| 9
| Atlanta-Sandy Springs-Gainesville, GA
|
| 10
| Weirton-Steubenville, WV-OH
|
| 10
| Cincinnati-Middletown-Wilmington, OH-KY-IN
|
| 12
| New York-Newark-Bridgeport, NY-NJ-CT-PA
|
| 12
| Chicago-Naperville-Michigan City, IL-IN-WI
|
| 14
| St. Louis-St. Charles-Farmington, MO-IL
|
| 15
| Canton-Massillon,OH
|
| 15
| Birmingham-Hoover-Cullman,AL
|
| 17
| Charleston, WV
|
| 18
| York-Hanover-Gettysburg, PA
|
| 18
| Merced,CA
|
| 18
| Lancaster, PA
|
| 21
| Louisville-Elizabethtown-Scottsburg, KY-IN
|
| 22
| Indianapolis-Anderson-Columbus, IN
|
| 22
| Columbus-Marion-Chillicothe,OH
|
| 24
| Washington-Baltimore-Northern Virginia, DC-MD-VA-WV
|
| 24
| Huntington-Ashland, WV-KY-OH |
(1) Cities are ranked by using the highest weighted average for any county within that metropolitan area.
25 Counties Most Polluted by Long-Term Particle Pollution (Annual PM2.5)
| 2005 Rank1
| County
| ST
|
| 1
| Riverside
| CA
|
| 2
| San Bernardino
| CA
|
| 3
| Los Angeles
| CA
|
| 4
| Kern
| CA
|
| 5
| Tulare
| CA
|
| 6
| Allegheny
| PA
|
| 7
| Fresno
| CA
|
| 8
| Wayne
| MI
|
| 9
| Orange
| CA
|
| 10
| Kings
| CA
|
| 11
| Cuyahoga
| OH
|
| 12
| Fulton
| GA
|
| 13
| Hamilton
| OH
|
| 13
| Jefferson
| OH
|
| 15
| Lake
| IN
|
| 15
| New York
| NY
|
| 17
| Madison
| IL
|
| 18
| Hancock
| WV
|
| 19
| Cook
| IL
|
| 19
| Jefferson
| AL
|
| 19
| Stark
| OH
|
| 22
| Scioto
| OH
|
| 23
| Kanawha
| WV
|
| 24
| Merced
| CA
|
| 24
| Lancaster
| PA
|
| 24
| York
| PA |
(1) Counties are ranked by design value. The Design Value is the calculated concentration of a pollutant based on the form of the national ambient air quality standard, and is used by EPA to determine whether or not the air quality in a county meets the standard. The source for the Design Values is EPA, communication from the Office of Air Quality Planning & Standards, Mark Schmidt, February 1, 2005.(12) Grades are based on EPA’s determination of meeting or failure to meet the NAAQS for annual PM 2.5 levels during 2001-2003. Counties meeting the NAAQS received grades of Pass; counties not meeting received grades of Fail.
25 Most Ozone-Polluted Cities
| 2005 Rank1
| Metropolitan Area
|
| 1
| Los Angeles-Long Beach-Riverside,CA
|
| 2
| Bakersfield,CA
|
| 3
| Fresno-Madera,CA
|
| 4
| Visalia-Porterville,CA
|
| 5
| Merced,CA
|
| 6
| Houston-Baytown-Huntsville,TX
|
| 7
| Sacramento-Arden-Arcade-Truckee,CA-NV
|
| 8
| Dallas-Fort Worth,TX
|
| 9
| New York-Newark-Bridgeport,NY-NJ-CT-PA
|
| 10
| Philadelphia-Camden-Vineland,PA-NJ-DE-MD
|
| 11
| Washington-Baltimore-Northern Virginia,DC-MD-VA-WV
|
| 12
| Charlotte-Gastonia-Salisbury,NC-SC
|
| 13
| Hanford-Corcoran,CA
|
| 13
| Cleveland-Akron-Elyria,OH
|
| 15
| Knoxville-Sevierville-La Follette,TN
|
| 15
| Modesto,CA
|
| 17
| Pittsburgh-New Castle,PA
|
| 18
| Youngstown-Warren-East Liverpool,OH-PA
|
| 19
| Columbus-Marion-Chillicothe,OH
|
| 20
| Detroit-Warren-Flint,MI
|
| 20
| Buffalo-Niagara-Cattaraugus,NY
|
| 22
| Sheboygan,WI 113,376
|
| 23
| Chicago-Naperville-Michigan City,IL-IN-WI
|
| 24
| El Centro,CA
|
| 25
| Lancaster,PA |
(1) Cities are ranked by using the highest weighted average for any county within that metropolitan area.
Counties with the Worst Ozone Air Pollution
| 2005 Rank1 |
County
| ST
|
| 1 |
San Bernardino |
CA
|
| 2 |
Kern |
CA
|
| 3 |
Fresno |
CA
|
| 4 |
Riverside |
CA |
| 5 |
Tulare |
CA |
| 6 |
Los Angeles |
CA
|
| 7 |
Merced |
CA
|
| 8 |
Harris |
TX |
| 9 |
El Dorado |
CA |
| 10 |
Sacramento |
CA
|
| 11 |
Tarrant |
TX |
| 12 |
Nevada |
CA |
| 13 |
Ventura |
CA |
| 13 |
Fairfield |
CT
|
| 15 |
Camden |
NJ |
| 16 |
Ocean |
NJ |
| 17 |
Harford |
MD |
| 18 |
Rowan |
NC |
| 19 |
Anne Arundel |
MD
|
| 20 |
Mariposa |
CA
|
| 20 |
Placer |
CA |
| 22 |
Kings |
CA |
| 23 |
Geauga |
OH |
| 24 |
Chester |
PA
|
| 25 |
Sevier |
TN |
(1) Counties are ranked by weighted average. |
