air pollution, ozone pollution, air quality, air pollution facts in the State of the Air 2007 report air pollution, ozone pollution, air quality, air pollution facts in the State of the Air 2007 report
air pollution, ozone pollution, air quality, air pollution facts in the State of the Air 2007 report

Table 4a: Counties with the Worst Ozone Air Pollution in Each State

County
ST1
Metropolitan Statistical Area
Ozone Wgt. Avg.2
Grade3
JEFFERSON
AL
Birmingham-Hoover-Cullman, AL
3.7
F
MARICOPA
AZ
Phoenix-Mesa-Scottsdale, AZ
8.3
F
CRITTENDEN
AR
Memphis, TN-MS-AR
4.0
F
SAN BERNARDINO
CA
Los Angeles-Long Beach-Riverside, CA
103.3
F
JEFFERSON
CO
Denver-Aurora-Boulder, CO
5.7
F
FAIRFIELD
CT
New York-Newark-Bridgeport, NY-NJ-CT-PA
12.7
F
NEW CASTLE
DE
Philadelphia-Camden-Vineland, PA-NJ-DE-MD
5.8
F
DISTRICT OF COLUMBIA
DC
Washington-Baltimore-Northern Virginia, DC-MD-VA-WV
4.0
F
ESCAMBIA
FL
Pensacola-Ferry Pass-Brent, FL
2.7
D
HILLSBOROUGH
FL
Tampa-St. Petersburg-Clearwater, FL
2.7
D
SARASOTA
FL
Sarasota-Bradenton-Venice, FL
2.7
D
FULTON
GA
Atlanta-Sandy Springs-Gainesville, GA-AL
6.5
F
MADISON
IL
St. Louis-St. Charles-Farmington, MO-IL
6.0
F
ALLEN
IN
Fort Wayne-Huntington-Auburn, IN
4.0
F
WYANDOTTE
KS
Kansas City-Overland Park-Kansas City, MO-KS
1.8
C
CAMPBELL
KY
Cincinnati-Middletown-Wilmington, OH-KY-IN C
4.5
F
EAST BATON ROUGE PARISH
LA
Baton Rouge-Pierre Part, LA
13.5
F
HANCOCK
ME

2.3
D
HARFORD
MD
Washington-Baltimore-Northern Virginia, DC-MD-VA-WV
10.7
F
BARNSTABLE
MA
Barnstable Town, MA
6.3
F
ALLEGAN
MI
Grand Rapids-Muskegon-Holland, MI
7.0
F
HARRISON
MS
Gulfport-Biloxi-Pascagoula, MS
3.0
D
ST CHARLES
MO
St. Louis-St. Charles-Farmington, MO-IL
7.7
F
CLARK
NV
Las Vegas-Paradise-Pahrump, NV
7.8
F
HILLSBOROUGH
NH
Boston-Worcester-Manchester, MA-RI-NH
2.7
D
CAMDEN
NJ
Philadelphia-Camden-Vineland, PA-NJ-DE-MD
10.5
F
OCEAN
NJ
New York-Newark-Bridgeport, NY-NJ-CT-PA
10.5
F
BERNALILLO
NM
Albuquerque, NM
1.0
C
SUFFOLK
NY
New York-Newark-Bridgeport, NY-NJ-CT-PA
6.5
F
ROWAN
NC
Charlotte-Gastonia-Salisbury, NC-SC
8.0
F

LAKE
OH
Cleveland-Akron-Elyria, OH
6.5
F
TULSA
OK
Tulsa-Bartlesville, OK
5.0
F
PHILADELPHIA
PA
Philadelphia-Camden-Vineland, PA-NJ-DE-MD
6.7
F
WASHINGTON
RI
Boston-Worcester-Manchester, MA-RI-NH
6.0
F
RICHLAND
SC
Columbia-Newberry, SC
4.3
F
BLOUNT
TN
Knoxville-Sevierville-La Follette, TN
6.0
F
HARRIS
TX
Houston-Baytown-Sugar Land, TX
42.8
F
SALT LAKE
UT
Salt Lake City-Ogden-Clearfield, UT
3.7
F
FAIRFAX
VA
Washington-Baltimore-Northern Virginia, DC-MD-VA-WV
8.7
F
KING
WA
Seattle-Tacoma-Olympia, WA
1.0
C
OHIO
WV
Wheeling, WV-OH
3.2
D
MILWAUKEE
WI
Milwaukee-Racine-Waukesha, WI
7.8
F

(1) States were not included if all monitored counties got a grade of B or higher.
(2) The Weighted Average was derived by adding the three years of individual level data (2003-2005), multiplying the sums of each level by the assigned standard weights (i.e., 1 for orange, 1.5 for red, 2.0 for purple), and calculating the average.
(3) Grade is assigned by weighted average as follows: A=0.0, B=0.3-0.9, C=1.0-2.0, D=2.1-3.2, F=3.3+.

Tables continued...



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air pollution, ozone pollution, air quality, air pollution facts in the State of the Air 2007 report