Cities with the Cleanest Air
EPA Air Quality Index summaries for the city's county: typical AQI, bad-air days and the share of days with good air. Only counties with air monitors are ranked.
95 cities ranked in the United States.
| Rank | City | Population | Score |
|---|---|---|---|
| 51 | Milwaukee, WI Milwaukee County | 563,531 | 49.2 |
| 52 | Laredo, TX Webb County | 261,260 | 48.4 |
| 53 | Oklahoma City, OK Oklahoma County | 712,919 | 46.6 |
| 54 | Denver, CO Denver County | 729,019 | 46.1 |
| 55 | Philadelphia, PA Philadelphia County | 1,573,916 | 45.5 |
| 56 | Austin, TX Travis County | 993,588 | 43.2 |
| 57 | Pittsburgh, PA Allegheny County | 307,668 | 42.6 |
| 58 | Toledo, OH Lucas County | 265,638 | 41.8 |
| 59 | Indianapolis, IN Marion County | 891,484 | 40.7 |
| 60 | Columbus, OH Franklin County | 933,263 | 40.4 |
| 61 | Cleveland, OH Cuyahoga County | 365,379 | 40.1 |
| 62 | Corpus Christi, TX Nueces County | 317,317 | 37.2 |
| 63 | San Antonio, TX Bexar County | 1,526,656 | 34.0 |
| 64 | Dallas, TX Dallas County | 1,326,087 | 33.7 |
| 65 | Irving, TX Dallas County | 258,060 | 33.7 |
| 66 | Garland, TX Dallas County | 250,431 | 33.7 |
| 67 | Cincinnati, OH Hamilton County | 314,915 | 33.1 |
| 68 | St. Louis, MO St. Louis city | 279,695 | 32.0 |
| 69 | Detroit, MI Wayne County | 645,705 | 31.3 |
| 70 | Tucson, AZ Pima County | 554,013 | 30.1 |
| 71 | Anaheim, CA Orange County | 344,561 | 29.6 |
| 72 | Irvine, CA Orange County | 318,683 | 29.6 |
| 73 | Santa Ana, CA Orange County | 316,184 | 29.6 |
| 74 | Chicago, IL Cook County | 2,721,308 | 27.7 |
| 75 | Albuquerque, NM Bernalillo County | 560,326 | 21.3 |
| 76 | Fort Worth, TX Tarrant County | 1,008,106 | 18.3 |
| 77 | Arlington, TX Tarrant County | 403,672 | 18.3 |
| 78 | Las Vegas, NV Clark County | 678,922 | 18.2 |
| 79 | Henderson, NV Clark County | 350,039 | 18.2 |
| 80 | North Las Vegas, NV Clark County | 294,034 | 18.2 |
| 81 | Fresno, CA Fresno County | 550,105 | 14.6 |
| 82 | San Diego, CA San Diego County | 1,404,452 | 13.2 |
| 83 | Chula Vista, CA San Diego County | 278,546 | 13.2 |
| 84 | Houston, TX Harris County | 2,390,125 | 10.2 |
| 85 | El Paso, TX El Paso County | 681,723 | 7.0 |
| 86 | Phoenix, AZ Maricopa County | 1,673,164 | 6.9 |
| 87 | Mesa, AZ Maricopa County | 517,151 | 6.9 |
| 88 | Gilbert, AZ Maricopa County | 288,790 | 6.9 |
| 89 | Chandler, AZ Maricopa County | 281,231 | 6.9 |
| 90 | Glendale, AZ Maricopa County | 258,143 | 6.9 |
| 91 | Scottsdale, AZ Maricopa County | 246,170 | 6.9 |
| 92 | Bakersfield, CA Kern County | 417,468 | 6.7 |
| 93 | Los Angeles, CA Los Angeles County | 3,878,704 | 2.4 |
| 94 | Long Beach, CA Los Angeles County | 450,901 | 2.4 |
| 95 | Riverside, CA Riverside County | 323,757 | 1.1 |