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    Neighborhoods/Maine

    Neighborhoods with the Cleanest Air in Maine (2026 Rankings)

    Air quality directly impacts your health and quality of life. We ranked 25 neighborhoods in Maine by Air Quality Index (AQI). An AQI under 50 is considered "Good." The national average is AQI 42.

    SacoME
    Kurby Score: 76
    Air Quality (AQI): AQI 30
    Climate Risk: 79.86158182012771/100
    Home Value: $345,200
    Population: 20,446
    Madawaska CDPMadawaska CDP, ME
    Kurby Score: 58
    Air Quality (AQI): AQI 30
    Climate Risk: 79.86158182012771/100
    Home Value: $152,700
    Population: 2,726
    Walk Score: 6/100
    LewistonME
    Kurby Score: 78
    Air Quality (AQI): AQI 30
    Climate Risk: 79.86158182012771/100
    Home Value: $189,500
    Population: 37,577
    4
    Orono CDPOrono CDP, ME
    Kurby Score: 69
    Air Quality (AQI): AQI 30
    Climate Risk: 79.86158182012771/100
    Home Value: $212,900
    Population: 10,116
    5
    BrewerME
    Kurby Score: 74
    Air Quality (AQI): AQI 30
    Climate Risk: 79.86158182012771/100
    Home Value: $198,500
    Population: 9,633
    6
    Old Orchard Beach CDPOld Orchard Beach CDP, ME
    Kurby Score: 72
    Air Quality (AQI): AQI 30
    Climate Risk: 79.86158182012771/100
    Home Value: $295,500
    Population: 9,040
    7
    EllsworthME
    Kurby Score: 73
    Air Quality (AQI): AQI 30
    Climate Risk: 79.86158182012771/100
    Home Value: $196,700
    Population: 8,478
    8
    South PortlandME
    Kurby Score: 75
    Air Quality (AQI): AQI 30
    Climate Risk: 79.86158182012771/100
    Home Value: $360,000
    Population: 26,656
    9
    OldME
    Kurby Score: 67
    Air Quality (AQI): AQI 30
    Climate Risk: 79.86158182012771/100
    Home Value: $165,200
    Population: 7,458
    10
    Gorham CDPGorham CDP, ME
    Kurby Score: 73
    Air Quality (AQI): AQI 30
    Climate Risk: 79.86158182012771/100
    Home Value: $424,900
    Population: 7,050
    11
    BelfastME
    Kurby Score: 69
    Air Quality (AQI): AQI 30
    Climate Risk: 79.86158182012771/100
    Home Value: $240,700
    Population: 6,953
    12
    SanfordME
    Kurby Score: 75
    Air Quality (AQI): AQI 30
    Climate Risk: 79.86158182012771/100
    Home Value: $238,000
    Population: 21,986
    13
    AugustaME
    Kurby Score: 75
    Air Quality (AQI): AQI 30
    Climate Risk: 79.86158182012771/100
    Home Value: $166,100
    Population: 18,938
    14
    Brunswick CDPBrunswick CDP, ME
    Kurby Score: 74
    Air Quality (AQI): AQI 30
    Climate Risk: 79.86158182012771/100
    Home Value: $304,800
    Population: 16,725
    15
    Topsham CDPTopsham CDP, ME
    Kurby Score: 71
    Air Quality (AQI): AQI 30
    Climate Risk: 79.86158182012771/100
    Home Value: $316,100
    Population: 6,813
    16
    WatervilleME
    Kurby Score: 77
    Air Quality (AQI): AQI 30
    Climate Risk: 79.86158182012771/100
    Home Value: $154,400
    Population: 15,785
    17
    RocklandME
    Kurby Score: 67
    Air Quality (AQI): AQI 30
    Climate Risk: 79.86158182012771/100
    Home Value: $195,800
    Population: 6,986
    18
    CaribouME
    Kurby Score: 74
    Air Quality (AQI): AQI 30
    Climate Risk: 79.86158182012771/100
    Home Value: $116,800
    Population: 7,454
    19
    Presque IsleME
    Kurby Score: 67
    Air Quality (AQI): AQI 30
    Climate Risk: 79.86158182012771/100
    Home Value: $137,100
    Population: 8,772
    20
    Skowhegan CDPSkowhegan CDP, ME
    Kurby Score: 69
    Air Quality (AQI): AQI 30
    Climate Risk: 79.86158182012771/100
    Home Value: $124,500
    Population: 6,270
    21
    AuburnME
    Kurby Score: 73
    Air Quality (AQI): AQI 30
    Climate Risk: 79.86158182012771/100
    Home Value: $227,300
    Population: 24,038
    22
    BathME
    Kurby Score: 68
    Air Quality (AQI): AQI 30
    Climate Risk: 79.86158182012771/100
    Home Value: $249,900
    Population: 8,775
    23
    BiddefordME
    Kurby Score: 72
    Air Quality (AQI): AQI 30
    Climate Risk: 79.86158182012771/100
    Home Value: $321,900
    Population: 22,438
    24
    WestbrookME
    Kurby Score: 81
    Air Quality (AQI): AQI 30
    Climate Risk: 79.86158182012771/100
    Home Value: $300,400
    Population: 20,339
    25
    PortlandME
    Kurby Score: 76
    Air Quality (AQI): AQI 35
    Climate Risk: 64.39/100
    Home Value: $365,000
    Population: 68,408
    Walk Score: 100/100

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