Most Improved Cities for Air Quality

Cities showing the greatest air quality improvements from 2024 to 2025.

Showing 26–50 of 95 cities
  1. #26

    Novi, MI

    Population: 66,717Monitored: 304 days↓ 4 AQI improvement
    A-
    Median: 41
    Good Days:228
    Moderate Days:70
    Unhealthy Days:
    Worst Day:166 AQI
  2. #27

    South Lyon, MI

    Population: 146,383Monitored: 304 days↓ 4 AQI improvement
    A-
    Median: 41
    Good Days:228
    Moderate Days:70
    Unhealthy Days:
    Worst Day:166 AQI
  3. #28

    Southfield, MI

    Population: 76,236Monitored: 304 days↓ 4 AQI improvement
    A-
    Median: 41
    Good Days:228
    Moderate Days:70
    Unhealthy Days:
    Worst Day:166 AQI
  4. #29

    Rochester Hills, MI

    Population: 77,089Monitored: 304 days↓ 4 AQI improvement
    A-
    Median: 41
    Good Days:228
    Moderate Days:70
    Unhealthy Days:
    Worst Day:166 AQI
  5. #30

    Dearborn, MI

    Population: 107,423Monitored: 304 days↓ 3 AQI improvement
    B
    Median: 52
    Good Days:141
    Moderate Days:153
    Unhealthy Days:
    Worst Day:156 AQI
  6. #31

    Westland, MI

    Population: 83,633Monitored: 304 days↓ 3 AQI improvement
    B
    Median: 52
    Good Days:141
    Moderate Days:153
    Unhealthy Days:
    Worst Day:156 AQI
  7. #32

    Dearborn Heights, MI

    Population: 61,771Monitored: 304 days↓ 3 AQI improvement
    B
    Median: 52
    Good Days:141
    Moderate Days:153
    Unhealthy Days:
    Worst Day:156 AQI
  8. #33

    Detroit, MI

    Population: 3,773,725Monitored: 304 days↓ 3 AQI improvement
    B
    Median: 52
    Good Days:141
    Moderate Days:153
    Unhealthy Days:
    Worst Day:156 AQI
  9. #34

    Iowa City, IA

    Population: 133,565Monitored: 304 days↓ 3 AQI improvement
    A
    Median: 36
    Good Days:216
    Moderate Days:84
    Unhealthy Days:
    Worst Day:159 AQI
  10. #35

    Livonia, MI

    Population: 93,851Monitored: 304 days↓ 3 AQI improvement
    B
    Median: 52
    Good Days:141
    Moderate Days:153
    Unhealthy Days:
    Worst Day:156 AQI
  11. #36

    Taylor, MI

    Population: 62,081Monitored: 304 days↓ 3 AQI improvement
    B
    Median: 52
    Good Days:141
    Moderate Days:153
    Unhealthy Days:
    Worst Day:156 AQI
  12. #37

    Evansville, IN

    Population: 204,607Monitored: 305 days↓ 2 AQI improvement
    A-
    Median: 44
    Good Days:195
    Moderate Days:110
    Unhealthy Days:
    Worst Day:100 AQI
  13. #38

    Port Huron, MI

    Population: 79,899Monitored: 303 days↓ 2 AQI improvement
    A
    Median: 39
    Good Days:225
    Moderate Days:72
    Unhealthy Days:
    Worst Day:147 AQI
  14. #39

    Lansing, MI

    Population: 328,527Monitored: 304 days↓ 2 AQI improvement
    A
    Median: 37
    Good Days:252
    Moderate Days:49
    Unhealthy Days:
    Worst Day:123 AQI
  15. #40

    Terre Haute, IN

    Population: 80,554Monitored: 300 days↓ 2 AQI improvement
    A-
    Median: 45
    Good Days:186
    Moderate Days:113
    Unhealthy Days:
    Worst Day:108 AQI
  16. #41

    Lakewood, OH

    Population: 50,007Monitored: 305 days↓ 1 AQI improvement
    B
    Median: 53
    Good Days:133
    Moderate Days:168
    Unhealthy Days:
    Worst Day:150 AQI
  17. #42

    St. Clair Shores, MI

    Population: 58,140Monitored: 303 days↓ 1 AQI improvement
    A-
    Median: 41
    Good Days:224
    Moderate Days:73
    Unhealthy Days:
    Worst Day:166 AQI
  18. #43

    Towson, MD

    Population: 58,679Monitored: 304 days↓ 1 AQI improvement
    A-
    Median: 44
    Good Days:214
    Moderate Days:87
    Unhealthy Days:
    Worst Day:129 AQI
  19. #44

    Dundalk, MD

    Population: 65,969Monitored: 304 days↓ 1 AQI improvement
    A-
    Median: 44
    Good Days:214
    Moderate Days:87
    Unhealthy Days:
    Worst Day:129 AQI
  20. #45

    Parma, OH

    Population: 79,870Monitored: 305 days↓ 1 AQI improvement
    B
    Median: 53
    Good Days:133
    Moderate Days:168
    Unhealthy Days:
    Worst Day:150 AQI
  21. #46

    Alton, IL

    Population: 80,162Monitored: 304 days↓ 1 AQI improvement
    B+
    Median: 48
    Good Days:168
    Moderate Days:132
    Unhealthy Days:
    Worst Day:260 AQI
  22. #47

    Holland, MI

    Population: 107,348Monitored: 302 days↓ 1 AQI improvement
    A
    Median: 40
    Good Days:235
    Moderate Days:63
    Unhealthy Days:
    Worst Day:139 AQI
  23. #48

    Sterling Heights, MI

    Population: 133,573Monitored: 303 days↓ 1 AQI improvement
    A-
    Median: 41
    Good Days:224
    Moderate Days:73
    Unhealthy Days:
    Worst Day:166 AQI
  24. #49

    Warren, MI

    Population: 137,928Monitored: 303 days↓ 1 AQI improvement
    A-
    Median: 41
    Good Days:224
    Moderate Days:73
    Unhealthy Days:
    Worst Day:166 AQI
  25. #50

    Davenport, IA

    Population: 281,044Monitored: 305 days↓ 1 AQI improvement
    A-
    Median: 45
    Good Days:182
    Moderate Days:121
    Unhealthy Days:
    Worst Day:159 AQI
Previous
1234
Next