![](https://webarchive.library.unt.edu/eot2008/20090511094946im_/http://www.bts.gov/images/spacer.gif) |
Table 4-47: Air Pollution Trends in Selected Metropolitan Statistical Areas
(Number of days with AQI values greater than 100 at trend sites and all monitoring sites)
Excel | CSV
Akron,
OH |
2 |
4 |
2 |
8 |
12 |
11 |
6 |
14 |
20 |
4 |
12 |
22 |
4 |
Albany-Schenectady-Troy,
NY |
4 |
5 |
3 |
6 |
3 |
4 |
3 |
3 |
6 |
1 |
11 |
8 |
5 |
Albuquerque,
NM |
11 |
3 |
8 |
1 |
0 |
(R) 1 |
0 |
0 |
(R) 2 |
0 |
1 |
(R) 0 |
2 |
Allentown-Bethlehem-Easton,
PA |
3 |
4 |
1 |
3 |
7 |
6 |
12 |
18 |
19 |
5 |
9 |
18 |
4 |
Ann
Arbor, MI |
2 |
6 |
1 |
3 |
5 |
5 |
1 |
4 |
1 |
2 |
5 |
11 |
5 |
Atlanta,
GA |
11 |
13 |
6 |
15 |
36 |
(R) 30 |
(R) 35 |
(R) 59 |
(R) 66 |
(R) 30 |
(R) 14 |
(R) 30 |
11 |
Austin-San
Marcos, TX |
4 |
4 |
1 |
4 |
10 |
0 |
0 |
5 |
8 |
6 |
0 |
5 |
3 |
Bakersfield,
CA |
8 |
116 |
8 |
105 |
(R) 106 |
110 |
58 |
(R) 76 |
(R) 93 |
(R) 82 |
(R) 85 |
(R) 91 |
116 |
Baltimore,
MD |
8 |
10 |
7 |
40 |
36 |
28 |
30 |
51 |
40 |
(R) 16 |
(R) 26 |
(R) 39 |
10 |
Baton
Rouge, LA |
7 |
16 |
7 |
10 |
22 |
12 |
16 |
21 |
26 |
(R) 30 |
5 |
6 |
16 |
Birmingham,
AL |
10 |
4 |
6 |
6 |
32 |
15 |
8 |
23 |
(R) 30 |
(R) 21 |
(R) 11 |
(R) 13 |
3 |
Boston,
MA-NH |
6 |
5 |
2 |
6 |
7 |
4 |
7 |
8 |
(R)
8 |
1 |
12 |
(R) 13 |
3 |
Buffalo-Niagara
Falls, NY |
2 |
7 |
2 |
4 |
6 |
3 |
1 |
13 |
8 |
5 |
13 |
21 |
7 |
Charleston-North
Charleston, SC |
3 |
0 |
3 |
2 |
1 |
3 |
3 |
3 |
5 |
4 |
0 |
1 |
0 |
Charlotte-Gastonia-Rock
Hill, NC-SC |
8 |
9 |
6 |
15 |
18 |
21 |
29 |
50 |
42 |
(R) 24 |
(R) 26 |
(R) 36 |
9 |
Chicago,
IL |
19 |
4 |
20 |
(R)
7 |
24 |
7 |
10 |
12 |
(R) 14 |
(R) 1 |
(R) 16 |
(R) 20 |
4 |
Cincinnati,
OH-KY-IN |
9 |
11 |
5 |
16 |
(R) 23 |
(R) 11 |
(R) 13 |
(R) 15 |
(R) 26 |
(R) 9 |
(R) 6 |
(R) 26 |
7 |
Cleveland-Lorain-Elyria,
OH |
9 |
9 |
7 |
(R) 23 |
(R) 24 |
(R) 18 |
(R) 12 |
(R) 21 |
(R) 20 |
(R) 4 |
(R) 17 |
(R) 29 |
6 |
Columbia,
SC |
3 |
2 |
2 |
3 |
2 |
3 |
7 |
16 |
12 |
8 |
7 |
3 |
1 |
Columbus,
OH |
7 |
7 |
3 |
(R) 11 |
18 |
(R) 17 |
(R) 12 |
(R) 20 |
(R) 21 |
(R) 6 |
(R) 7 |
(R) 19 |
5 |
Dallas,
TX |
11 |
20 |
3 |
24 |
29 |
10 |
27 |
33 |
25 |
22 |
16 |
15 |
12 |
Dayton-Springfield,
OH |
5 |
7 |
4 |
14 |
11 |
18 |
10 |
19 |
(R) 19 |
(R) 6 |
(R) 4 |
28 |
6 |
Denver,
CO |
8 |
17 |
8 |
(R)
2 |
(R)
3 |
2 |
0 |
9 |
(R)
3 |
(R) 2 |
(R) 2 |
(R) 7 |
17 |
Detroit,
MI |
7 |
7 |
7 |
11 |
(R) 12 |
(R) 12 |
11 |
17 |
(R) 14 |
(R) 3 |
(R) 16 |
(R) 21 |
7 |
El
Paso, TX |
6 |
1 |
2 |
(R)
2 |
3 |
(R)
1 |
(R) 0 |
6 |
(R) 0 |
(R) 3 |
(R) 1 |
(R) 4 |
0 |
Fort
Lauderdale, FL |
3 |
0 |
2 |
1 |
1 |
1 |
0 |
1 |
(R) 1 |
(R) 1 |
(R) 2 |
(R) 1 |
0 |
Fort
Wayne, IN |
3 |
4 |
2 |
14 |
12 |
10 |
7 |
8 |
12 |
4 |
2 |
15 |
4 |
Fort
Worth-Arlington, TX |
8 |
28 |
2 |
31 |
28 |
14 |
14 |
17 |
19 |
16 |
17 |
23 |
22 |
Fresno,
CA |
8 |
97 |
5 |
55 |
61 |
70 |
75 |
67 |
(R) 81 |
(R) 78 |
(R) 92 |
(R) 91 |
96 |
Gary,
IN |
6 |
5 |
3 |
6 |
18 |
12 |
(R) 11 |
9 |
(R) 10 |
(R) 5 |
(R) 10 |
20 |
3 |
Grand
Rapids-Muskegon-Holland, MI |
5 |
8 |
4 |
14 |
18 |
9 |
10 |
19 |
(R) 21 |
(R) 3 |
(R) 11 |
(R) 20 |
7 |
Greensboro-Winston-Salem-High
Pt., NC |
7 |
6 |
6 |
7 |
13 |
(R)
8 |
(R) 17 |
(R) 30 |
(R) 29 |
(R) 20 |
(R) 18 |
(R) 30 |
6 |
Greenville-Spartanburg-Anderson,
SC |
4 |
4 |
4 |
5 |
7 |
7 |
9 |
28 |
19 |
11 |
13 |
28 |
4 |
Harrisburg-Lebanon-Carlisle,
PA |
3 |
3 |
3 |
12 |
13 |
3 |
9 |
22 |
(R) 17 |
(R) 5 |
(R) 17 |
(R) 17 |
3 |
Hartford,
CT |
3 |
7 |
3 |
18 |
(R) 13 |
5 |
16 |
10 |
18 |
7 |
16 |
21 |
7 |
Houston,
TX |
18 |
38 |
9 |
41 |
66 |
(R) 29 |
(R) 46 |
(R) 39 |
(R) 51 |
(R) 43 |
(R) 28 |
23 |
30 |
Indianapolis,
IN |
12 |
13 |
7 |
22 |
21 |
16 |
12 |
19 |
24 |
(R) 4 |
(R) 8 |
(R) 23 |
11 |
Jacksonville,
FL |
2 |
0 |
1 |
0 |
0 |
0 |
0 |
3 |
2 |
0 |
0 |
(R) 0 |
0 |
Jersey
City, NJ |
1 |
2 |
1 |
12 |
16 |
5 |
9 |
7 |
(R) 17 |
(R) 3 |
(R) 6 |
(R) 6 |
2 |
Kansas
City, MO-KS |
8 |
14 |
4 |
10 |
21 |
(R)
6 |
16 |
14 |
(R) 3 |
(R) 10 |
4 |
7 |
10 |
Knoxville,
TN |
7 |
14 |
7 |
16 |
26 |
21 |
37 |
54 |
(R) 62 |
(R) 36 |
(R) 17 |
45 |
14 |
Las
Vegas, NV-AZ |
15 |
11 |
4 |
3 |
(R) 0 |
(R)
4 |
(R) 0 |
(R)
3 |
(R) 0 |
(R) 0 |
1 |
(R) 2 |
2 |
Little
Rock-North Little Rock, AR |
3 |
1 |
2 |
2 |
7 |
1 |
1 |
(R)
2 |
5 |
16 |
4 |
9 |
1 |
Los
Angeles-Long Beach, CA |
14 |
86 |
14 |
(R) 117 |
(R) 97 |
(R) 74 |
(R) 45 |
(R) 46 |
(R) 19 |
(R) 45 |
(R) 37 |
(R) 35 |
61 |
Louisville,
KY-IN |
7 |
7 |
7 |
28 |
26 |
17 |
18 |
29 |
(R) 44 |
(R) 10 |
(R) 10 |
(R) 26 |
7 |
McAllen-Edinburg-Mission,
TX |
2 |
1 |
2 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
Memphis,
TN-AR-MS |
4 |
9 |
4 |
10 |
21 |
(R) 18 |
17 |
27 |
35 |
24 |
13 |
16 |
9 |
Miami,
FL |
4 |
1 |
4 |
1 |
2 |
1 |
3 |
8 |
(R) 5 |
(R) 0 |
1 |
0 |
1 |
Middlesex-Somerset-Hunterdon,
NJ |
2 |
7 |
2 |
9 |
20 |
15 |
19 |
22 |
26 |
11 |
21 |
29 |
7 |
Milwaukee-Waukesha,
WI |
10 |
8 |
8 |
12 |
14 |
5 |
5 |
12 |
(R) 17 |
(R) 4 |
(R) 12 |
12 |
8 |
Minneapolis-St.
Paul, MN-WI |
7 |
1 |
4 |
(R) 0 |
(R) 3 |
0 |
0 |
1 |
(R) 0 |
(R) 0 |
2 |
1 |
1 |
Mobile,
AL |
3 |
3 |
1 |
0 |
1 |
3 |
3 |
8 |
4 |
6 |
1 |
0 |
1 |
Monmouth-Ocean,
NJ |
2 |
12 |
2 |
13 |
20 |
17 |
21 |
31 |
27 |
11 |
21 |
31 |
12 |
Nashville,
TN |
7 |
6 |
6 |
21 |
26 |
(R) 22 |
20 |
30 |
(R) 33 |
(R) 16 |
7 |
16 |
6 |
Nassau-Suffolk,
NY |
3 |
6 |
2 |
15 |
10 |
8 |
12 |
11 |
18 |
5 |
3 |
13 |
6 |
New
Haven-Meriden, CT |
2 |
11 |
1 |
13 |
14 |
8 |
19 |
9 |
(R) 16 |
(R) 6 |
(R) 11 |
(R) 20 |
9 |
New
Orleans, LA |
6 |
8 |
6 |
8 |
20 |
8 |
7 |
7 |
18 |
17 |
5 |
2 |
8 |
New
York, NY |
7 |
7 |
4 |
16 |
(R) 20 |
14 |
23 |
18 |
25 |
(R) 11 |
(R) 16 |
(R) 30 |
7 |
Newark,
NJ |
2 |
4 |
1 |
(R) 11 |
20 |
11 |
13 |
22 |
(R) 21 |
(R) 6 |
(R) 13 |
(R) 27 |
4 |
Norfolk-VA
Beach-Newport News, VA-NC |
3 |
4 |
3 |
6 |
6 |
4 |
17 |
15 |
(R) 16 |
5 |
(R) 6 |
15 |
4 |
Oakland,
CA |
11 |
4 |
7 |
(R) 2 |
(R) 8 |
(R) 5 |
0 |
(R)
8 |
(R)
7 |
(R) 1 |
(R) 3 |
(R) 5 |
2 |
Oklahoma
City, OK |
6 |
2 |
3 |
5 |
13 |
2 |
4 |
7 |
4 |
6 |
2 |
2 |
2 |
Omaha,
NE-IA |
3 |
0 |
3 |
(R) 0 |
(R) 0 |
(R) 0 |
(R) 0 |
(R) 0 |
(R) 2 |
(R) 0 |
(R) 0 |
0 |
0 |
Orange
County, CA |
4 |
10 |
2 |
(R) 14 |
(R) 8 |
(R) 6 |
3 |
(R) 5 |
(R) 1 |
(R) 3 |
(R) 2 |
(R) 0 |
3 |
Orlando,
FL |
5 |
1 |
4 |
3 |
1 |
1 |
5 |
14 |
4 |
3 |
(R) 3 |
1 |
0 |
Philadelphia,
PA-NJ |
12 |
14 |
10 |
(R) 25 |
(R) 30 |
(R) 22 |
(R) 32 |
37 |
32 |
(R) 17 |
(R) 27 |
33 |
13 |
Phoenix-Mesa,
AZ |
26 |
12 |
7 |
(R)
7 |
(R) 19 |
15 |
(R) 10 |
14 |
10 |
(R) 9 |
(R) 6 |
(R) 6 |
7 |
Pittsburgh,
PA |
12 |
8 |
11 |
(R) 20 |
(R) 25 |
12 |
(R) 20 |
39 |
(R) 23 |
(R) 4 |
(R) 19 |
(R) 28 |
7 |
Portland-Vancouver,
OR-WA |
5 |
0 |
3 |
(R) 1 |
2 |
6 |
0 |
3 |
(R) 0 |
(R) 0 |
(R) 0 |
(R) 1 |
0 |
Providence-Fall
River-Warwick, RI-MA |
2 |
10 |
1 |
5 |
7 |
2 |
3 |
2 |
(R)
2 |
(R) 2 |
10 |
9 |
4 |
Raleigh-Durham-Chapel
Hill, NC |
8 |
8 |
8 |
(R) 16 |
(R) 16 |
(R) 18 |
(R) 29 |
(R) 52 |
(R) 32 |
(R) 18 |
(R) 9 |
29 |
8 |
Richmond-Petersburg,
VA |
4 |
5 |
3 |
9 |
14 |
5 |
19 |
22 |
21 |
(R) 5 |
(R) 12 |
(R) 21 |
3 |
Riverside-San
Bernardino, CA |
19 |
103 |
15 |
(R) 149 |
(R) 119 |
(R) 115 |
(R) 104 |
(R) 95 |
(R) 96 |
(R) 98 |
(R) 92 |
(R) 96 |
102 |
Rochester,
NY |
2 |
3 |
2 |
1 |
6 |
0 |
6 |
4 |
9 |
1 |
5 |
13 |
3 |
Sacramento,
CA |
16 |
43 |
11 |
37 |
41 |
44 |
(R) 18 |
(R) 32 |
(R) 40 |
(R) 31 |
(R) 35 |
(R) 39 |
36 |
St.
Louis, MO-IL |
17 |
11 |
14 |
(R) 31 |
(R) 36 |
23 |
(R) 14 |
24 |
(R) 29 |
(R) 16 |
(R) 14 |
(R) 32 |
11 |
Salt
Lake City-Ogden, UT |
9 |
6 |
6 |
(R)
9 |
5 |
(R) 12 |
2 |
19 |
(R)
4 |
(R) 7 |
(R) 4 |
(R) 7 |
3 |
San
Antonio, TX |
3 |
7 |
1 |
3 |
17 |
2 |
3 |
6 |
9 |
0 |
0 |
17 |
4 |
San
Diego, CA |
9 |
6 |
9 |
46 |
48 |
31 |
14 |
33 |
(R) 16 |
(R) 14 |
(R) 17 |
(R) 13 |
6 |
San
Francisco, CA |
3 |
0 |
3 |
0 |
2 |
0 |
0 |
0 |
(R) 0 |
(R) 0 |
(R) 0 |
(R) 0 |
0 |
San
Jose, CA |
6 |
6 |
5 |
2 |
14 |
8 |
0 |
8 |
(R)
3 |
(R) 1 |
(R) 3 |
(R) 6 |
6 |
Sarasota-Bradenton,
FL |
6 |
3 |
2 |
2 |
1 |
1 |
2 |
9 |
4 |
5 |
4 |
0 |
2 |
Scranton-Wilkes
Barre-Hazleton, PA |
4 |
3 |
4 |
7 |
12 |
4 |
11 |
7 |
12 |
(R) 1 |
(R) 10 |
(R) 16 |
3 |
Seattle-Bellevue-Everett,
WA |
4 |
2 |
1 |
(R) 1 |
(R) 0 |
(R) 0 |
(R) 0 |
3 |
(R) 0 |
(R) 0 |
(R) 0 |
(R) 0 |
0 |
Springfield,
MA |
3 |
3 |
4 |
12 |
9 |
(R) 4 |
10 |
7 |
(R) 10 |
(R) 2 |
13 |
12 |
3 |
Stockton-Lodi,
CA |
2 |
2 |
3 |
6 |
9 |
14 |
3 |
7 |
10 |
3 |
2 |
3 |
2 |
Syracuse,
NY |
3 |
5 |
2 |
1 |
5 |
0 |
2 |
3 |
4 |
1 |
4 |
9 |
2 |
Tacoma,
WA |
3 |
1 |
2 |
2 |
0 |
1 |
0 |
4 |
(R) 0 |
(R) 0 |
(R) 0 |
0 |
0 |
Tampa-St.
Petersburg-Clearwater, FL |
10 |
6 |
7 |
3 |
2 |
3 |
4 |
11 |
(R) 9 |
(R) 6 |
4 |
0 |
4 |
Toledo,
OH |
5 |
6 |
2 |
8 |
9 |
11 |
4 |
5 |
4 |
2 |
9 |
13 |
6 |
Tucson,
AZ |
9 |
1 |
5 |
0 |
3 |
0 |
1 |
0 |
(R)
1 |
0 |
0 |
(R) 1 |
1 |
Tulsa,
OK |
6 |
9 |
2 |
(R) 11 |
(R) 19 |
(R) 12 |
(R) 5 |
(R) 7 |
(R) 13 |
10 |
(R) 4 |
5 |
7 |
Vallejo-Fairfield-Napa,
CA |
3 |
0 |
4 |
0 |
5 |
4 |
0 |
8 |
8 |
0 |
0 |
0 |
0 |
Ventura,
CA |
6 |
31 |
6 |
63 |
66 |
(R) 65 |
(R) 46 |
(R) 30 |
(R) 23 |
(R) 30 |
(R) 23 |
(R) 15 |
31 |
Washington,
DC-MD-VA-WV |
20 |
8 |
15 |
22 |
32 |
18 |
30 |
47 |
39 |
11 |
22 |
34 |
8 |
West
Palm Beach-Boca Raton, FL |
2 |
0 |
1 |
0 |
0 |
0 |
0 |
2 |
1 |
0 |
1 |
0 |
0 |
Wichita,
KS |
2 |
1 |
2 |
0 |
1 |
2 |
3 |
3 |
2 |
1 |
3 |
2 |
1 |
Wilmington-Newark,
DE-MD |
5 |
7 |
4 |
24 |
27 |
13 |
22 |
28 |
21 |
18 |
19 |
21 |
7 |
Worchester,
MA |
1 |
1 |
1 |
11 |
7 |
0 |
5 |
6 |
8 |
1 |
6 |
8 |
1 |
Youngstown-Warren,
OH |
3 |
5 |
2 |
5 |
11 |
8 |
10 |
20 |
(R) 12 |
(R) 2 |
(R) 12 |
(R) 16 |
4 |
KEY: AQI = Air Quality Index; R = revised.
NOTES
The Air Quality Index (AQI) integrates information on 5 major pollutants (particulate matter less than 10 microns in diameter, sulfur dioxide, carbon monoxide, ozone, and nitrogen dioxide and for 2000-2003 particulate matter less than 2.5 microns in diameter is also included as a sixth major pollutant) across an entire monitoring network into a single number that represents the worst daily air quality experienced in an urban area. An AQI greater than 100 indicates that at least 1 criteria pollutant exceeded air quality standards on a given day; therefore, air quality would be in the unhealthful range on that day. Air quality monitoring sites are selected as "trend sites" if they have complete data for at least 8 of the 10 last years.
SOURCE
U.S. Environmental Protection Agency, Office of Air and Radiation, Air Trends, Factbook and Related Information, available at http://www.epa.gov/airtrends/aqi10year.pdf as of Aug. 25, 2004.
|
![](https://webarchive.library.unt.edu/eot2008/20090511094946im_/http://www.bts.gov/images/spacer.gif) |