What’s the largest pollution values?

This section uses the same data file that we have been using, but if you want to see all of the data click on the Show button below. Once it appears, you can hide it again by clicking on the Hide button.

Aberdeen, SD :13 :8
Adrian, MI :15 :9
Akron, OH :18 :11
Albany, GA :18 :11
Albany-Lebanon, OR :14 :8
Albany-Schenectady-Troy, NY :13 :8
Albuquerque, NM :12 :7
Alexandria, LA :20 :12
Allegan, MI :14 :9
Allentown-Bethlehem-Easton, PA-NJ :21 :12
Altoona, PA :19 :12
Anchorage, AK :13 :8
Anderson, IN :18 :11
Ann Arbor, MI :16 :10
Appleton, WI :14 :9
Asheville, NC :15 :9
Athens, OH :14 :9
Athens, TN :15 :9
Athens-Clarke County, GA :16 :9
Atlanta-Sandy Springs-Marietta, GA :23 :14
Atlantic City-Hammonton, NJ :14 :8
Augusta-Richmond County, GA-SC :18 :11
Augusta-Waterville, ME :14 :9
Austin-Round Rock, TX :17 :10
Bakersfield, CA :24 :15
Baltimore-Towson, MD :20 :12
Bangor, ME :12 :7
Baraboo, WI :17 :10
Baton Rouge, LA :19 :11
Bay City, MI :13 :8
Beaver Dam, WI :15 :9
Beckley, WV :14 :8
Bellingham, WA :7 :4
Bennington, VT :11 :7
Birmingham-Hoover, AL :20 :12
Bishop, CA :11 :6
Bismarck, ND :11 :6
Bloomington, IN :17 :10
Bloomington-Normal, IL :16 :9
Boise City-Nampa, ID :17 :10
Boone, NC :13 :8
Boston-Cambridge-Quincy, MA-NH :16 :10
Boulder, CO :12 :7
Bowling Green, KY :17 :10
Bradenton-Sarasota-Venice, FL :12 :7
Brainerd, MN :8 :5
Bremerton-Silverdale, WA :7 :4
Bridgeport-Stamford-Norwalk, CT :16 :9
Brigham City, UT :12 :7
Brookings, SD :14 :9
Brownsville-Harlingen, TX :16 :10
Brunswick, GA :13 :8
Buffalo-Niagara Falls, NY :16 :9
Burlington, NC :14 :9
Burlington-South Burlington, VT :12 :7
Butte-Silver Bow, MT :19 :11
Cadillac, MI :10 :6
Cambridge, MD :13 :8
Canton-Massillon, OH :21 :12
Cape Coral-Fort Myers, FL :12 :7
Casper, WY :9 :5
Cedar Rapids, IA :16 :10
Champaign-Urbana, IL :16 :10
Charleston, WV :18 :11
Charleston-North Charleston-Summerville, SC :16 :10
Charlotte-Gastonia-Concord, NC-SC :16 :10
Charlottesville, VA :13 :8
Chattanooga, TN-GA :18 :11
Cheyenne, WY :9 :6
Chicago-Naperville-Joliet, IL-IN-WI :22 :13
Chico, CA :12 :7
Cincinnati-Middletown, OH-KY-IN :23 :14
Clarksburg, WV :16 :10
Clarksville, TN-KY :16 :10
Clearlake, CA :7 :4
Cleveland-Elyria-Mentor, OH :24 :15
Clinton, IA :18 :11
Colorado Springs, CO :12 :7
Columbia, SC :17 :10
Columbia, TN :14 :8
Columbus, GA-AL :19 :11
Columbus, OH :18 :11
Concord, NH :16 :9
Cookeville, TN :14 :9
Corning, NY :11 :7
Corpus Christi, TX :18 :11
Dallas-Fort Worth-Arlington, TX :20 :12
Daphne-Fairhope-Foley, AL :15 :9
Davenport-Moline-Rock Island, IA-IL :18 :11
Dayton, OH :18 :11
Decatur, AL :15 :9
Decatur, IL :17 :10
Deltona-Daytona Beach-Ormond Beach, FL :11 :6
Denver-Aurora-Broomfield, CO :14 :9
Des Moines-West Des Moines, IA :15 :9
Detroit-Warren-Livonia, MI :21 :12
Dickinson, ND :7 :4
Dothan, AL :15 :9
Dover, DE :14 :8
Duluth, MN-WI :11 :6
Durango, CO :7 :4
Durham, NC :14 :8
Durham-Chapel Hill, NC :14 :8
Dyersburg, TN :15 :9
East Stroudsburg, PA :13 :8
Eau Claire, WI :14 :8
El Centro, CA :24 :14
El Dorado, AR :18 :11
El Paso, TX :21 :12
Elizabethtown, KY :20 :12
Elkhart-Goshen, IN :21 :12
Erie, PA :19 :11
Eugene-Springfield, OR :13 :8
Eureka-Arcata-Fortuna, CA :11 :7
Evansville, IN-KY :19 :12
Fairbanks, AK :31 :19
Fairmont, WV :17 :10
Fargo, ND-MN :13 :8
Farmington, NM :8 :5
Fayetteville, NC :15 :9
Fayetteville-Springdale-Rogers, AR-MO :16 :10
Flagstaff, AZ :9 :5
Flint, MI :13 :8
Florence, SC :15 :9
Florence-Muscle Shoals, AL :15 :9
Fort Collins-Loveland, CO :12 :7
Fort Madison-Keokuk, IA-MO :18 :11
Fort Payne, AL :15 :9
Fort Smith, AR-OK :17 :10
Fort Wayne, IN :23 :14
Fresno, CA :74 :45
Gadsden, AL :16 :10
Gainesville, FL :12 :7
Gainesville, GA :16 :9
Gettysburg, PA :18 :11
Gillette, WY :13 :8
Goldsboro, NC :21 :13
Grand Island, NE :13 :8
Grand Junction, CO :12 :7
Grand Rapids-Wyoming, MI :16 :10
Grants Pass, OR :12 :7
Greeley, CO :13 :8
Green Bay, WI :16 :10
Greensboro-High Point, NC :14 :9
Greenville, NC :13 :8
Greenville-Mauldin-Easley, SC :16 :10
Grenada, MS :16 :9
Gulfport-Biloxi, MS :16 :10
Hagerstown-Martinsburg, MD-WV :19 :11
Hammond, LA :15 :9
Hanford-Corcoran, CA :28 :17
Harriman, TN :22 :13
Harrisburg-Carlisle, PA :20 :12
Harrisonburg, VA :15 :9
Hartford-West Hartford-East Hartford, CT :14 :9
Hattiesburg, MS :18 :11
Helena, MT :16 :9
Helena-West Helena, AR :16 :9
Hickory-Lenoir-Morganton, NC :16 :10
Hilo, HI :27 :16
Hobbs, NM :13 :8
Holland-Grand Haven, MI :15 :9
Homosassa Springs, FL :11 :7
Honolulu, HI :12 :7
Hot Springs, AR :18 :11
Houma-Bayou Cane-Thibodaux, LA :13 :8
Houston-Sugar Land-Baytown, TX :21 :13
Huntington-Ashland, WV-KY-OH :19 :11
Huntsville, AL :16 :9
Indianapolis-Carmel, IN :25 :15
Iowa City, IA :16 :10
Jackson, MS :19 :11
Jackson, TN :15 :9
Jackson, WY-ID :11 :6
Jacksonville, FL :13 :8
Jamestown-Dunkirk-Fredonia, NY :13 :8
Jasper, IN :18 :11
Johnstown, PA :19 :12
Juneau, AK :11 :6
Kahului-Wailuku, HI :11 :6
Kalamazoo-Portage, MI :17 :10
Kalispell, MT :13 :8
Kansas City, MO-KS :24 :15
Kapaa, HI :11 :7
Keene, NH :16 :10
Kingsport-Bristol-Bristol, TN-VA :15 :9
Kinston, NC :13 :8
Klamath Falls, OR :18 :11
Knoxville, TN :18 :11
Kokomo, IN :16 :10
La Crosse, WI-MN :14 :8
Laconia, NH :11 :7
Lafayette, IN :24 :14
Lafayette, LA :18 :11
Lake Charles, LA :14 :8
Lake Havasu City-Kingman, AZ :6 :4
Lakeland-Winter Haven, FL :13 :8
Lancaster, PA :21 :13
Lansing-East Lansing, MI :14 :9
Laramie, WY :9 :6
Las Cruces, NM :25 :15
Las Vegas-Paradise, NV :20 :12
Laurel, MS :18 :11
Lawrenceburg, TN :14 :8
Lebanon, NH-VT :11 :7
Lebanon, PA :24 :14
Lewiston-Auburn, ME :13 :8
Lexington-Fayette, KY :16 :10
Lima, OH :17 :10
Lincoln, NE :14 :9
Little Rock-North Little Rock-Conway, AR :19 :12
Logan, UT-ID :15 :9
Los Angeles-Long Beach-Santa Ana, CA :33 :20
Louisville/Jefferson County, KY-IN :22 :13
Lumberton, NC :14 :9
Lynchburg, VA :13 :8
Macon, GA :19 :12
Madera, CA :27 :16
Madison, WI :16 :9
Manchester-Nashua, NH :14 :8
Marshall, MN :12 :7
Marshall, TX :17 :10
McAlester, OK :19 :11
McAllen-Edinburg-Mission, TX :18 :11
Medford, OR :15 :9
Memphis, TN-MS-AR :17 :10
Merced, CA :18 :11
Meridian, MS :17 :10
Miami-Fort Lauderdale-Pompano Beach, FL :14 :8
Michigan City-La Porte, IN :16 :10
Middlesborough, KY :17 :10
Milwaukee-Waukesha-West Allis, WI :18 :11
Minneapolis-St. Paul-Bloomington, MN-WI :17 :10
Missoula, MT :21 :12
Mobile, AL :15 :9
Modesto, CA :25 :15
Monroe, LA :22 :13
Monroe, MI :16 :9
Montgomery, AL :18 :11
Morgantown, WV :15 :9
Mount Vernon, IL :14 :9
Muncie, IN :16 :10
Muscatine, IA :18 :11
Muskegon-Norton Shores, MI :15 :9
Napa, CA :23 :14
Nashville-Davidson--Murfreesboro--Franklin, TN :17 :10
New Castle, IN :15 :9
New Haven-Milford, CT :15 :9
New Orleans-Metairie-Kenner, LA :21 :13
New York-Northern New Jersey-Long Island, NY-NJ-PA :23 :14
Niles-Benton Harbor, MI :14 :9
Nogales, AZ :16 :10
Norwich-New London, CT :13 :8
Ogden-Clearfield, UT :15 :9
Oklahoma City, OK :16 :10
Omaha-Council Bluffs, NE-IA :19 :12
Orlando-Kissimmee, FL :12 :7
Owensboro, KY :18 :11
Oxnard-Thousand Oaks-Ventura, CA :16 :10
Paducah, KY-IL :17 :10
Palm Bay-Melbourne-Titusville, FL :10 :6
Parkersburg-Marietta-Vienna, WV-OH :17 :10
Pascagoula, MS :15 :9
Pendleton-Hermiston, OR :12 :7
Pensacola-Ferry Pass-Brent, FL :14 :8
Peoria, IL :16 :10
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD :28 :17
Phoenix-Mesa-Scottsdale, AZ :26 :16
Pittsburgh, PA :25 :15
Pittsfield, MA :14 :9
Platteville, WI :15 :9
Pocatello, ID :15 :9
Ponca City, OK :17 :10
Portland-South Portland-Biddeford, ME :15 :9
Portland-Vancouver-Beaverton, OR-WA :12 :7
Portsmouth, OH :16 :10
Poughkeepsie-Newburgh-Middletown, NY :13 :8
Prescott, AZ :7 :4
Prineville, OR :14 :9
Providence-New Bedford-Fall River, RI-MA :18 :11
Provo-Orem, UT :14 :8
Pueblo, CO :11 :7
Quincy, IL-MO :16 :10
Raleigh-Cary, NC :16 :9
Rapid City, SD :11 :6
Reading, PA :19 :11
Red Bluff, CA :14 :8
Redding, CA :10 :6
Reno-Sparks, NV :15 :9
Richmond, VA :15 :9
Richmond-Berea, KY :15 :9
Riverside-San Bernardino-Ontario, CA :34 :21
Riverton, WY :13 :8
Roanoke, VA :15 :9
Rochester, MN :13 :8
Rochester, NY :14 :9
Rock Springs, WY :13 :8
Rockford, IL :16 :9
Rocky Mount, NC :13 :8
Rome, GA :18 :11
Russellville, AR :14 :9
Rutland, VT :15 :9
Sacramento--Arden-Arcade--Roseville, CA :15 :9
Salinas, CA :10 :6
Salisbury, NC :16 :9
Salt Lake City, UT :15 :9
San Antonio, TX :14 :9
San Diego-Carlsbad-San Marcos, CA :24 :14
San Francisco-Oakland-Fremont, CA :16 :10
San Jose-Sunnyvale-Santa Clara, CA :16 :10
San Luis Obispo-Paso Robles, CA :16 :10
Santa Barbara-Santa Maria-Goleta, CA :14 :9
Santa Cruz-Watsonville, CA :10 :6
Santa Fe, NM :8 :5
Santa Rosa-Petaluma, CA :14 :8
Sault Ste. Marie, MI :14 :8
Savannah, GA :17 :10
Scottsbluff, NE :9 :6
Scranton--Wilkes-Barre, PA :14 :8
Seaford, DE :14 :8
Seattle-Tacoma-Bellevue, WA :16 :10
Sheridan, WY :14 :8
Shreveport-Bossier City, LA :26 :16
Sierra Vista-Douglas, AZ :11 :7
Sioux City, IA-NE-SD :16 :10
Sioux Falls, SD :14 :9
Somerset, KY :16 :10
South Bend-Mishawaka, IN-MI :21 :13
Spartanburg, SC :16 :10
Spokane, WA :12 :7
Springfield, IL :16 :10
Springfield, MA :15 :9
Springfield, MO :17 :10
Springfield, OH :17 :10
St. Cloud, MN :14 :8
St. George, UT :11 :7
St. Joseph, MO-KS :20 :12
St. Louis, MO-IL :22 :13
State College, PA :19 :11
Stockton, CA :21 :12
Syracuse, NY :12 :7
Talladega-Sylacauga, AL :17 :10
Tallahassee, FL :14 :9
Tampa-St. Petersburg-Clearwater, FL :13 :8
Terre Haute, IN :19 :12
Texarkana, TX-Texarkana, AR :18 :11
Thomasville-Lexington, NC :17 :10
Toledo, OH :17 :10
Topeka, KS :14 :9
Torrington, CT :9 :6
Trenton-Ewing, NJ :15 :9
Truckee-Grass Valley, CA :10 :6
Tucson, AZ :10 :6
Tulsa, OK :16 :10
Tupelo, MS :16 :10
Tuscaloosa, AL :16 :9
Ukiah, CA :12 :7
Valdosta, GA :14 :9
Vallejo-Fairfield, CA :15 :9
Vernal, UT :12 :7
Virginia Beach-Norfolk-Newport News, VA-NC :14 :8
Visalia-Porterville, CA :25 :15
Warner Robins, GA :16 :10
Washington-Arlington-Alexandria, DC-VA-MD-WV :19 :12
Waterloo-Cedar Falls, IA :16 :10
Watertown, SD :18 :11
Weirton-Steubenville, WV-OH :20 :12
Wenatchee, WA :17 :10
Wheeling, WV-OH :20 :12
Wichita, KS :16 :9
Wilmington, NC :14 :9
Winchester, VA-WV :16 :10
Winston-Salem, NC :15 :9
Worcester, MA :15 :9
Yakima, WA :17 :10
York-Hanover, PA :20 :12
Youngstown-Warren-Boardman, OH-PA :23 :14
Yuba City, CA :12 :7
Yuma, AZ :14 :9

One of the interesting questions to explore is, “Which city has the worst pollution?” The program below figures that out for the PM 2.5 value. It will read all the data in, then set max25 (the maximum PM 2.5 value) to zero. It will then loop through all the city data and if the current pollution (in new25) is greater than max25, it will save that value in max25 and save that city name as max_city. We need the float function to convert the string into a number that we can compare.

    csp-18-4-1: Which of the following would return the value of the PM 10 pollution instead at line 17?
  • new10 = float(values[0])
  • This would get the city and state.
  • new10 = float(values[1])
  • This gets the value of PM 10.
  • new10 = float(values[2])
  • This gets the value of PM 2.5.

Replace the lines that start with a comment (a #) below to find the city with the highest PM 10 pollution.

    csp-18-4-2: Which of the following is true about the cities with the maximum PM 2.5 and PM 10 values?
  • The same city has the maximum value for both PM 2.5 and PM 10.
  • Fresno, CA is the worst for both.
  • Different cities have the maximums, but they are in the same state.
  • Check that are using values[1] to find the worst PM 10.
  • Different cities in different states have the maximum values.
  • You did not actually run and change the program, did you?
        csp-18-4-4: csp-18-4-3: The following program prints the maximum PM 2.5 pollution found, but the code is mixed up.  Drag the blocks of statements from the left column to the right column and put them in the right order.  Then click on Check Me to see if you are right. You will be told if any of the lines are in the wrong order or have the wrong indention.# read all the lines
in_file = open("uspoll.txt","r")
lines = in_file.readlines()
in_file.close()

# initialize the variables
max_city = ''
max25 = 0
---
# loop through the lines
for line in lines:
---
    # split at :
    values = line.split(":")
---
    # get the PM 2.5 pollution
    new25 = float(values[2])
---
    # if current > max
    if new25 > max25:
---
        # save the new max info
        max_city = values[0]
        max25 = new25
---
# print the largest PM 2.5 value
print("Largest is ",max25," in ",max_city)
Next Section - What’s the lowest PM 2.5 pollution?