Title: V9.1 SAS System Output
Author: SAS Version 9.1

Table 2.  Annual Summary of Carbon Monoxide (CO) AQI Values for  MSAs, 2006

| Quarterly Median |
| Days with | Range | Q1 | Q2 | Q3 | Q4 | Annual | Annual
MSA Name | MSA Code | N | AQI >100 | Min | Max | Median | (n) | Median | (n) | Median | (n) | Median | (n) | Median | Mean | ±SD
Akron,OH | 80 | 365 | 0 | 3 | 20 | 8.0 | (90) | 7.0 | (91) | 7.0 | (92) | 8.0 | (92) | 7.0 | 7.51 | ±2.89
Albuquerque,NM | 200 | 365 | 0 | 3 | 34 | 11.0 | (90) | 13.0 | (91) | 7.0 | (92) | 14.0 | (92) | 11.0 | 11.77 | ±5.91
Atlanta,GA | 520 | 365 | 0 | 3 | 27 | 9.0 | (90) | 9.0 | (91) | 9.0 | (92) | 11.0 | (92) | 9.0 | 10.15 | ±4.02
Austin-San Marcos,TX | 640 | 361 | 0 | 3 | 7 | 3.0 | (88) | 3.0 | (91) | 3.0 | (90) | 3.0 | (92) | 3.0 | 3.14 | ±0.58
Baltimore,MD | 720 | 363 | 0 | 3 | 38 | 8.0 | (90) | 7.0 | (91) | 6.0 | (90) | 13.0 | (92) | 7.0 | 8.72 | ±4.99
Baton Rouge,LA | 760 | 365 | 0 | 3 | 39 | 3.0 | (90) | 3.0 | (91) | 6.0 | (92) | 7.0 | (92) | 5.0 | 5.93 | ±4.45
Bergen-Passaic,NJ | 875 | 365 | 0 | 3 | 25 | 10.0 | (90) | 8.0 | (91) | 8.0 | (92) | 9.0 | (92) | 8.0 | 9.34 | ±3.99
Birmingham,AL | 1000 | 365 | 2 | 3 | 103 | 23.5 | (90) | 19.0 | (91) | 14.0 | (92) | 23.0 | (92) | 19.0 | 29.80 | ±26.41
Boise City,ID | 1080 | 341 | 0 | 3 | 25 | 11.0 | (79) | 8.0 | (78) | 9.0 | (92) | 11.0 | (92) | 10.0 | 10.37 | ±3.90
Charleston-North Charleston,SC | 1440 | 361 | 0 | 3 | 3 | 3.0 | (90) | 3.0 | (89) | 3.0 | (91) | 3.0 | (91) | 3.0 | 3.00 | ±0.00
Charlotte-Gastonia-Rock Hill,NC-SC | 1520 | 365 | 0 | 3 | 26 | 7.0 | (90) | 6.0 | (91) | 8.0 | (92) | 10.0 | (92) | 7.0 | 8.39 | ±4.42
Chicago,IL | 1600 | 365 | 0 | 3 | 34 | 10.0 | (90) | 10.0 | (91) | 11.0 | (92) | 13.0 | (92) | 11.0 | 11.65 | ±4.30
Cincinnati,OH-KY-IN | 1640 | 363 | 0 | 3 | 49 | 5.0 | (88) | 3.0 | (91) | 3.0 | (92) | 11.0 | (92) | 5.0 | 6.40 | ±5.09
Cleveland-Lorain-Elyria,OH | 1680 | 365 | 0 | 5 | 64 | 11.0 | (90) | 11.0 | (91) | 10.0 | (92) | 10.0 | (92) | 10.0 | 11.20 | ±4.75
Colorado Springs,CO | 1720 | 365 | 0 | 3 | 30 | 12.0 | (90) | 8.0 | (91) | 8.0 | (92) | 14.0 | (92) | 9.0 | 10.61 | ±4.68
Columbia,SC | 1760 | 363 | 0 | 3 | 26 | 8.5 | (90) | 6.0 | (91) | 5.0 | (92) | 9.0 | (90) | 7.0 | 7.62 | ±4.11
Dallas,TX | 1920 | 320 | 0 | 3 | 23 | 5.0 | (87) | 3.0 | (91) | 3.0 | (88) | 6.0 | (54) | 3.0 | 5.10 | ±3.06
Dayton-Springfield,OH | 2000 | 365 | 0 | 3 | 30 | 6.0 | (90) | 7.0 | (91) | 5.0 | (92) | 7.5 | (92) | 6.0 | 6.96 | ±3.59
Denver,CO | 2080 | 365 | 0 | 3 | 39 | 15.0 | (90) | 8.0 | (91) | 8.0 | (92) | 14.5 | (92) | 10.0 | 11.96 | ±5.99
Des Moines,IA | 2120 | 365 | 0 | 3 | 23 | 6.5 | (90) | 7.0 | (91) | 6.0 | (92) | 9.0 | (92) | 7.0 | 7.05 | ±3.24
Detroit,MI | 2160 | 365 | 0 | 3 | 36 | 6.0 | (90) | 6.0 | (91) | 6.0 | (92) | 6.0 | (92) | 6.0 | 7.01 | ±4.13
El Paso,TX | 2320 | 365 | 0 | 3 | 55 | 16.0 | (90) | 9.0 | (91) | 8.0 | (92) | 18.5 | (92) | 11.0 | 14.40 | ±9.44
Eugene-Springfield,OR | 2400 | 365 | 0 | 3 | 24 | 10.0 | (90) | 8.0 | (91) | 8.0 | (92) | 13.0 | (92) | 9.0 | 9.93 | ±3.98
Fort Lauderdale,FL | 2680 | 364 | 0 | 3 | 32 | 10.0 | (90) | 9.0 | (91) | 11.0 | (91) | 7.0 | (92) | 9.0 | 10.19 | ±4.31
Fort Worth-Arlington,TX | 2800 | 365 | 0 | 3 | 22 | 5.0 | (90) | 5.0 | (91) | 3.0 | (92) | 6.0 | (92) | 5.0 | 5.65 | ±2.90
Gary,IN | 2960 | 363 | 0 | 3 | 36 | 9.0 | (90) | 10.0 | (89) | 13.0 | (92) | 11.0 | (92) | 11.0 | 11.34 | ±4.29
Grand Rapids-Muskegon-Holland,MI | 3000 | 365 | 0 | 3 | 23 | 5.0 | (90) | 5.0 | (91) | 5.0 | (92) | 5.0 | (92) | 5.0 | 5.61 | ±3.33
Great Falls,MT | 3040 | 365 | 0 | 3 | 25 | 7.0 | (90) | 6.0 | (91) | 7.0 | (92) | 7.0 | (92) | 7.0 | 7.41 | ±3.22
Greensboro-Winston Salem-High Point,NC | 3120 | 365 | 0 | 3 | 31 | 11.0 | (90) | 10.0 | (91) | 8.5 | (92) | 15.0 | (92) | 10.0 | 11.72 | ±5.02
Greenville-Spartanburg-Anderson,SC | 3160 | 365 | 0 | 3 | 28 | 6.0 | (90) | 5.0 | (91) | 6.0 | (92) | 9.0 | (92) | 6.0 | 7.49 | ±4.73
Honolulu,HI | 3320 | 365 | 0 | 3 | 19 | 10.0 | (90) | 8.0 | (91) | 9.0 | (92) | 10.0 | (92) | 9.0 | 9.45 | ±3.31
Indianapolis,IN | 3480 | 365 | 0 | 5 | 26 | 14.0 | (90) | 16.0 | (91) | 9.0 | (92) | 10.0 | (92) | 11.0 | 12.46 | ±4.07
Jacksonville,FL | 3600 | 365 | 0 | 3 | 26 | 6.5 | (90) | 6.0 | (91) | 6.0 | (92) | 7.0 | (92) | 6.0 | 6.50 | ±3.20
Jersey City,NJ | 3640 | 357 | 0 | 3 | 31 | 15.0 | (86) | 13.0 | (90) | 14.0 | (92) | 13.0 | (89) | 14.0 | 13.17 | ±4.29
Johnson City-Kingsport-Bristol,TN-VA | 3660 | 365 | 0 | 3 | 17 | 6.0 | (90) | 3.0 | (91) | 5.0 | (92) | 9.0 | (92) | 5.0 | 5.88 | ±3.11
Kansas City,MO-KS | 3760 | 365 | 0 | 3 | 25 | 8.0 | (90) | 8.0 | (91) | 5.0 | (92) | 7.0 | (92) | 7.0 | 7.63 | ±3.88
Las Cruces,NM | 4100 | 243 | 0 | 3 | 32 | 10.0 | (90) | 5.0 | (91) | 3.0 | (62) | . | (.) | 6.0 | 7.04 | ±5.22
Las Vegas,NV-AZ | 4120 | 365 | 0 | 3 | 59 | 23.0 | (90) | 14.0 | (91) | 14.0 | (92) | 28.0 | (92) | 16.0 | 19.67 | ±11.49
Lincoln,NE | 4360 | 365 | 0 | 3 | 30 | 10.0 | (90) | 7.0 | (91) | 6.5 | (92) | 10.0 | (92) | 8.0 | 9.61 | ±5.11
Little Rock-North Little Rock,AR | 4400 | 365 | 0 | 3 | 30 | 7.0 | (90) | 6.0 | (91) | 7.0 | (92) | 11.0 | (92) | 7.0 | 8.51 | ±4.48
Los Angeles-Long Beach,CA | 4480 | 365 | 0 | 6 | 68 | 20.0 | (90) | 10.0 | (91) | 10.0 | (92) | 25.5 | (92) | 14.0 | 18.36 | ±11.89
Louisville,KY-IN | 4520 | 363 | 0 | 3 | 35 | 12.0 | (88) | 10.0 | (91) | 14.0 | (92) | 13.0 | (92) | 13.0 | 12.39 | ±4.77
Memphis,TN-AR-MS | 4920 | 365 | 0 | 3 | 30 | 6.0 | (90) | 6.0 | (91) | 6.0 | (92) | 9.5 | (92) | 7.0 | 7.80 | ±4.85
Miami,FL | 5000 | 365 | 0 | 3 | 26 | 11.0 | (90) | 10.0 | (91) | 10.0 | (92) | 10.0 | (92) | 10.0 | 10.93 | ±3.47
Middlesex-Somerset-Hunterdon,NJ | 5015 | 357 | 0 | 3 | 19 | 7.5 | (90) | 6.0 | (89) | 6.0 | (89) | 7.0 | (89) | 6.0 | 6.59 | ±2.65
Milwaukee-Waukesha,WI | 5080 | 350 | 0 | 3 | 27 | 3.0 | (90) | 3.0 | (91) | 3.0 | (78) | 3.0 | (91) | 3.0 | 5.00 | ±3.53
Minneapolis-St. Paul,MN-WI | 5120 | 365 | 0 | 3 | 32 | 8.0 | (90) | 8.0 | (91) | 7.0 | (92) | 5.0 | (92) | 7.0 | 8.18 | ±5.03
Missoula,MT | 5140 | 179 | 0 | 6 | 28 | 13.0 | (86) | 10.0 | (1) | . | (.) | 15.0 | (92) | 14.0 | 14.47 | ±4.68
Monmouth-Ocean,NJ | 5190 | 361 | 0 | 3 | 17 | 8.0 | (90) | 7.0 | (87) | 8.0 | (92) | 7.0 | (92) | 8.0 | 7.70 | ±2.44
Nashville,TN | 5360 | 365 | 0 | 3 | 36 | 14.0 | (90) | 10.0 | (91) | 14.0 | (92) | 19.0 | (92) | 14.0 | 14.93 | ±5.97
Nassau-Suffolk,NY | 5380 | 365 | 0 | 3 | 13 | 3.0 | (90) | 3.0 | (91) | 3.0 | (92) | 3.0 | (92) | 3.0 | 3.93 | ±2.05
New Orleans,LA | 5560 | 27 | 0 | 6 | 17 | 9.0 | (27) | . | (.) | . | (.) | . | (.) | 9.0 | 9.85 | ±2.41
New York,NY | 5600 | 365 | 0 | 6 | 28 | 13.0 | (90) | 10.0 | (91) | 11.0 | (92) | 11.0 | (92) | 11.0 | 12.10 | ±3.50
Newark,NJ | 5640 | 365 | 0 | 3 | 35 | 11.0 | (90) | 10.0 | (91) | 9.0 | (92) | 10.0 | (92) | 10.0 | 10.96 | ±4.66
Norfolk-Virginia Beach-Newport News,VA_NC | 5720 | 365 | 0 | 3 | 35 | 5.5 | (90) | 3.0 | (91) | 5.0 | (92) | 6.0 | (92) | 3.0 | 5.33 | ±3.48
Oklahoma City,OK | 5880 | 361 | 0 | 3 | 24 | 7.0 | (90) | 5.0 | (91) | 5.0 | (92) | 6.0 | (88) | 6.0 | 6.86 | ±4.34
Omaha,NE-IA | 5920 | 356 | 0 | 3 | 24 | 7.0 | (87) | 6.0 | (85) | 6.0 | (92) | 9.0 | (92) | 7.0 | 7.71 | ±4.20
Orlando,FL | 5960 | 365 | 0 | 3 | 19 | 10.0 | (90) | 7.0 | (91) | 7.0 | (92) | 8.0 | (92) | 8.0 | 8.22 | ±3.64
Philadelphia,PA-NJ | 6160 | 365 | 0 | 3 | 36 | 11.0 | (90) | 10.0 | (91) | 9.0 | (92) | 11.0 | (92) | 11.0 | 11.95 | ±5.25
Phoenix-Mesa,AZ | 6200 | 365 | 0 | 3 | 59 | 25.0 | (90) | 11.0 | (91) | 8.0 | (92) | 31.5 | (92) | 17.0 | 19.53 | ±11.96
Pittsburgh,PA | 6280 | 365 | 0 | 3 | 24 | 10.0 | (90) | 9.0 | (91) | 9.0 | (92) | 7.0 | (92) | 9.0 | 9.35 | ±3.76
Portland-Vancouver,OR-WA | 6440 | 365 | 1 | 6 | 178 | 16.0 | (90) | 11.0 | (91) | 10.0 | (92) | 15.0 | (92) | 13.0 | 15.51 | ±12.06
Provo-Orem,UT | 6520 | 213 | 0 | 3 | 42 | 13.0 | (90) | 7.0 | (62) | . | (.) | 14.0 | (61) | 11.0 | 12.51 | ±6.79
Raleigh-Durham-Chapel Hill,NC | 6640 | 364 | 0 | 3 | 30 | 13.5 | (90) | 5.5 | (90) | 6.0 | (92) | 17.0 | (92) | 8.0 | 10.40 | ±6.65
Reno,NV | 6720 | 365 | 0 | 3 | 40 | 14.0 | (90) | 8.0 | (91) | 9.0 | (92) | 17.0 | (92) | 10.0 | 12.84 | ±7.25
Richmond-Petersburg,VA | 6760 | 365 | 0 | 3 | 26 | 10.0 | (90) | 5.0 | (91) | 6.0 | (92) | 6.5 | (92) | 6.0 | 6.97 | ±4.01
Riverside-San Bernardino,CA | 6780 | 365 | 0 | 3 | 27 | 14.0 | (90) | 9.0 | (91) | 9.0 | (92) | 16.0 | (92) | 11.0 | 12.20 | ±5.01
St, Louis,MO-IL | 7040 | 365 | 0 | 3 | 34 | 8.0 | (90) | 8.0 | (91) | 7.0 | (92) | 8.0 | (92) | 8.0 | 8.73 | ±4.45
Salt Lake City-Ogden,UT | 7160 | 365 | 0 | 3 | 61 | 17.0 | (90) | 9.0 | (91) | 9.0 | (92) | 19.0 | (92) | 13.0 | 14.34 | ±7.70
San Diego,CA | 7320 | 365 | 0 | 6 | 41 | 20.0 | (90) | 11.0 | (91) | 10.0 | (92) | 23.0 | (92) | 15.0 | 16.81 | ±8.02
Santa Fe,NM | 7490 | 359 | 0 | 3 | 18 | 8.0 | (87) | 3.0 | (90) | 3.0 | (92) | 7.0 | (90) | 5.0 | 5.60 | ±3.24
Scranton-Wilkes Barre-Hazleton,PA | 7560 | 365 | 0 | 3 | 20 | 6.0 | (90) | 3.0 | (91) | 3.0 | (92) | 8.0 | (92) | 5.0 | 5.76 | ±3.68
Seattle-Bellevue-Everett,WA | 7600 | 364 | 0 | 3 | 42 | 17.0 | (90) | 11.0 | (91) | 9.0 | (92) | 14.0 | (91) | 13.0 | 13.35 | ±5.84
Spokane,WA | 7840 | 359 | 0 | 5 | 52 | 23.0 | (90) | 15.0 | (91) | 18.0 | (92) | 21.0 | (86) | 18.0 | 19.47 | ±6.90
Tacoma,WA | 8200 | 182 | 0 | 5 | 26 | 13.0 | (90) | 10.0 | (91) | 5.0 | (1) | . | (.) | 11.0 | 11.73 | ±4.15
Tampa-St. Petersburg-Clearwater,FL | 8280 | 365 | 0 | 7 | 33 | 15.0 | (90) | 15.0 | (91) | 16.5 | (92) | 15.0 | (92) | 15.0 | 15.64 | ±4.12
Tucson,AZ | 8520 | 365 | 0 | 3 | 26 | 13.0 | (90) | 8.0 | (91) | 8.0 | (92) | 11.0 | (92) | 10.0 | 10.52 | ±3.57
Tulsa,OK | 8560 | 352 | 0 | 3 | 20 | 7.0 | (78) | 7.0 | (91) | 6.0 | (92) | 8.0 | (91) | 7.0 | 7.24 | ±3.41
Washington,DC-MD-VA-WV | 8840 | 365 | 0 | 6 | 39 | 13.0 | (90) | 15.0 | (91) | 14.0 | (92) | 19.5 | (92) | 15.0 | 15.87 | ±5.74
West Palm Beach-Boca Raton,FL | 8960 | 364 | 0 | 3 | 22 | 8.0 | (90) | 9.0 | (91) | 9.0 | (91) | 9.5 | (92) | 9.0 | 9.12 | ±3.33
Wichita,KS | 9040 | 365 | 0 | 3 | 57 | 11.0 | (90) | 6.0 | (91) | 9.0 | (92) | 7.0 | (92) | 8.0 | 9.90 | ±7.77
Wilmington-Newark,DE-MD | 9160 | 365 | 0 | 3 | 25 | 8.0 | (90) | 3.0 | (91) | 4.0 | (92) | 8.0 | (92) | 6.0 | 6.89 | ±4.03
Yakima,WA | 9260 | 95 | 0 | 5 | 36 | 10.0 | (90) | 8.0 | (5) | . | (.) | . | (.) | 10.0 | 12.40 | ±6.49
Yuma,AZ | 9360 | 319 | 0 | 3 | 20 | 8.0 | (44) | 6.0 | (91) | 3.0 | (92) | 8.0 | (92) | 6.0 | 6.54 | ±3.47