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U.S. Cities Ranked by Air Pollution

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RankU.S. Cities Ranked by Air PollutionAverage Annual Mean PM-10 Concentration (ug/m³)
1Fresno – Madera, CA69.2
2Bakersfield, CA66.8
3Visalia – Porterville – Hanford, CA64.9
4Modesto – Merced – Stockton , CA63.4
5Los Angeles – Long Beach, CA60.1
6San Jose – San Francisco – Oakland, CA58.8
7Salt Lake City – Provo – Orem, UT58.4
8Logan, UT – ID55.9
9Fairbanks, AK52.3
10Pittsburgh – New Castle – Weirton, PA50.5
11Cleveland – Akron – Canton, OH49.4
12Riverside, CA48.1
13Phoenix, AZ39.5
14Spokane, WA38.7
15Reno, NV38.5
16Las Vegas, NV38.3
17Anaheim, CA38.1
18Medford, OR37.9
19St. Joseph, MO37.6
20Yuba City, CA37.4
21Steubenville, OH36.6
22Omaha, NE35.5
23Atlanta, GA35.1
24Chattanooga, TN34.9
25Paterson, NJ34.8
26San Diego, CA34.8
27Boise City, ID34.0
28Chicago, IL33.7
29Roanoke, VA33.7
30Philadelphia, PA33.5
31Detroit, MI33.2
32Yakima, WA33.1
33Chico, CA33.1
34Decatur, IL33.0
35Waterloo, IA33.0
36Knoxville, TN32.6
37Nashville, TN32.4
38Atlantic City, NJ32.4
39Laredo, TX32.4
40Houston, TX31.9
41Sacramento, CA31.9
42St. Louis, MO31.8
43Las Cruces, NM31.7
44Gadsden, AL31.7
45Mobile, AL31.4
46Newark, NJ31.4
47Providence, RI31.4
48Huntington, WV31.4
49Hamilton, OH31.3
50Lancaster, PA31.0
Top 10 Most Ozone Polluted CitiesAir Quality Index (101-150)
1Los Angeles – Long Beach, CA133
2Visalia – Porterville – Hanford, CA131
3Bakersfield, CA129
4Fresno – Madera, CA128
5Sacramento = Roseville, CA128
6Houston – The Woodlands, TX122
7Dallas – Fort Worth, TX121
8Modesto – Merced – Stockton , CA117
9Las Vegas – Henderson, NV114
10Phoenix – Mesa – Scottsdale, AZ113
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RankTop 10 Cleanest CitiesAverage Annual Mean PM-10 Concentration (ug/m³)
1Prescott, AZ5.4
2Farmington, NM5.8
3Cheyenne, WY6.1
3Casper, WY6.1
5Flagstaff, AZ6.8
5Duluth, MN - WI6.8
6Salinas, CA7.5
6Palm Bay - Melbourne - Titusville, FL7.5
6Kahului - Wailuku - Lahaina, HI7.5
10Rapid CIty - Spearfish, SD8.3
10Anchorage, AK8.3
10Bismarck, ND8.3
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Statistic Sources & References
Sources: World Health Organization, American Lung Association
Content Author: Statistic Brain

Date research was conducted: March 18, 2017

U.S. Cities Ranked by Air Pollution

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